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List of prehistoric scheduled monuments in north Pembrokeshire facts for kids

Kids Encyclopedia Facts
See also: List of Scheduled Roman to modern Monuments in Pembrokeshire
See also: List of Scheduled prehistoric Monuments in south Pembrokeshire

Pembrokeshire is the fifth-largest county in Wales, but has more scheduled monuments (526) than any except Powys. This gives it an extremely high density of monuments, with 33.4 per 100 km2. (Only the tiny county boroughs of Newport and Merthyr Tydfil have a higher density). With three-quarters of its boundary being coastline, Pembrokeshire occupies the western end of the West Wales peninsula, terminating with the tiny cathedral city of St David's. It was a historic county in its own right but between 1975 and 1996 it joined Carmarthen and Ceredigion in the much larger county of Dyfed.

Over two-thirds of Pembrokeshire's scheduled monuments (346) date to pre-historic times. Even this is too many entries to conveniently show in one list, so the list is subdivided into three, separating the Roman to modern on one list, and subdividing the prehistoric sites along the lines of the former local districts of Preseli Pembrokeshire, (the northern half) and South Pembrokeshire. The list below shows the 233 sites in the north. This includes hill forts, promontory forts on both coastal headlands and inland locations. It also includes a variety of enclosures, hut sites and Raths, a wide range of burial sites and other ritual and religious sites listed as barrows and chambered tombs, stone circles and standing stones. There is a matching list of 113 prehistoric sites in south Pembrokeshire.

The county's 182 Roman, medieval and post-medieval sites are all included in the third Pembrokeshire list, which covers inscribed stones, stone crosses, holy wells, castles, mottes and baileys, priories, chapels and churches, houses, town walls and a Bishop's palace, along with a wide variety of post-medieval sites from coalmines, kilns and dovecotes through to World War II defensive structures.

Scheduled monuments have statutory protection. The compilation of the list is undertaken by Cadw Welsh Historic Monuments, which is an executive agency of the National Assembly of Wales. The list of scheduled monuments below is supplied by Cadw with additional material from RCAHMW and Dyfed Archaeological Trust.

Main pages: Scheduled monuments in Pembrokeshire and Scheduled monuments in Wales

Scheduled monuments in north Pembrokeshire

Image Name Site type Community Location Details Period Schedule number
and references
Parc-y-Llyn burial chamber Parc-y-Llyn Burial Chamber Chambered tomb Ambleston 51°54′04″N 4°56′03″W / 51.9012°N 4.9343°W / 51.9012; -4.9343 (Parc-y-Llyn Burial Chamber),
SM982265		 A capstone resting on four low uprights. Although scheduled, questions have been raised about its authenticity. It was first noted in 1871. 1.1Neolithic
 PE133
Bay View Farm Defended Enclosure Enclosure (archaeology) – Defensive Brawdy 51°51′58″N 5°07′19″W / 51.866°N 5.1219°W / 51.866; -5.1219 (Bay View Farm Defended Enclosure),
SM851232		 1.5Prehistoric
 PE540
Brandy Brook Camp Enclosure Brawdy 51°52′16″N 5°04′45″W / 51.8712°N 5.0791°W / 51.8712; -5.0791 (Brandy Brook Camp),
SM881237		 1.5Prehistoric
 PE363
Brawdy Promontory Fort Promontory fort – inland Brawdy 51°52′24″N 5°06′22″W / 51.8732°N 5.1061°W / 51.8732; -5.1061 (Brawdy Promontory Fort),
SM862239		 1.5Prehistoric
 PE422
Castle Villa Camp Enclosure Brawdy 51°54′26″N 5°04′52″W / 51.9071°N 5.0811°W / 51.9071; -5.0811 (Castle Villa Camp),
SM881277		 1.5Prehistoric
 PE222
Dinas Fach Defended Enclosure Promontory fort – coastal Brawdy 51°51′44″N 5°09′33″W / 51.8621°N 5.1592°W / 51.8621; -5.1592 (Dinas Fach Defended Enclosure),
SM825228		 1.5Prehistoric
 PE539
Tre-Ffynnon Burial Chamber Chambered tomb Brawdy 51°54′54″N 5°07′20″W / 51.915°N 5.1223°W / 51.915; -5.1223 (Tre-Ffynnon Burial Chamber),
SM853286		 In an arable field east of Trefynnon. Three uprights support a 2m capstone. The chamber is filled with field clearance stones. 1.5Prehistoric
 PE027
The Hanging Stone, Burton Burton Burial Chamber Chambered tomb Burton 51°44′09″N 4°56′18″W / 51.7359°N 4.9382°W / 51.7359; -4.9382 (Burton Burial Chamber),
SM972082		 Also called The Hanging Stone. Three uprights support a large, tall capstone with a flat base. 1.1Neolithic
 PE066
Crowhill Rath Promontory fort – inland Camrose 51°49′02″N 4°58′31″W / 51.8172°N 4.9752°W / 51.8172; -4.9752 (Crowhill Rath),
SM950174		 1.5Prehistoric
 PE218
Keeston Castle Hillfort Camrose 51°50′07″N 5°03′07″W / 51.8353°N 5.0519°W / 51.8353; -5.0519 (Keeston Castle),
SM898195		 1.5Prehistoric
 PE216
Plumstone Mountain Round Barrow (East) Round barrow Camrose 51°52′20″N 5°01′07″W / 51.8723°N 5.0185°W / 51.8723; -5.0185 (Plumstone Mountain Round Barrow (East)),
SM923236		 1.3Prehistoric
 PE519
Plumstone Mountain Round Barrows (West) Round barrow Camrose 51°52′14″N 5°02′02″W / 51.8706°N 5.0339°W / 51.8706; -5.0339 (Plumstone Mountain Round Barrows (West)),
SM912234		 1.3Prehistoric
 PE153
Plumstone Rath Rath Camrose 51°52′07″N 5°01′11″W / 51.8686°N 5.0197°W / 51.8686; -5.0197 (Plumstone Rath),
SM922232		 1.5Prehistoric
 PE220
Plumstone Rock Round Barrows Round barrow Camrose 51°52′13″N 5°01′37″W / 51.8704°N 5.0269°W / 51.8704; -5.0269 (Plumstone Rock Round Barrows),
SM917234		 1.3Prehistoric
 PE219
Rath 150m SE of Pelcomb Farm Rath Camrose 51°48′59″N 4°59′32″W / 51.8165°N 4.9922°W / 51.8165; -4.9922 (Rath 150m SE of Pelcomb Farm),
SM938173		 1.5Prehistoric
 PE090
Round Barrow 100m E of Thornbush Round barrow Camrose 51°51′17″N 5°01′33″W / 51.8547°N 5.0258°W / 51.8547; -5.0258 (Round Barrow 100m E of Thornbush),
SM917216		 1.3Prehistoric
 PE524
Castell Felin-Ganol Promontory fort – inland Cilgerran 52°02′54″N 4°40′44″W / 52.0482°N 4.679°W / 52.0482; -4.679 (Castell Felin-Ganol),
SN163422		 1.5Prehistoric
 PE170
Cwmbettws Defended Enclosure Enclosure (archaeology) – Defensive Cilgerran 52°01′46″N 4°40′12″W / 52.0294°N 4.67°W / 52.0294; -4.67 (Cwmbettws Defended Enclosure),
SN169401		 1.5Prehistoric
 PE564
Penralltddu Defended Enclosure Promontory fort – inland Cilgerran 52°03′04″N 4°40′03″W / 52.051°N 4.6675°W / 52.051; -4.6675 (Penralltddu Defended Enclosure),
SN171425		 1.5Prehistoric
 PE535
Bedd Morris standing stone, before the 2011 damage Bedd Morris Standing Stone Standing stone Cwm Gwaun 51°59′32″N 4°51′32″W / 51.9922°N 4.8588°W / 51.9922; -4.8588 (Bedd Morris Standing Stone),
SN038365		 Damage in 2011 (presumed vehicle collision), occasioned an excavation of the socket. Hammer stones, flaked stone and charcoal confirmed it had stood here since the Bronze Age. It was utilised as a marker for Newport borough boundary. In 2012 it was repaired and replaced in its original location. 1.3Bronze Age
 PE361
Castell Pengegin Promontory fort – inland Cwm Gwaun 51°58′24″N 4°51′23″W / 51.9734°N 4.8564°W / 51.9734; -4.8564 (Castell Pengegin),
SN039344		 1.5Prehistoric
 PE201
Cerrig Lladron standing stone Cerrig Lladron stone row Stone Row Cwm Gwaun 51°57′19″N 4°48′55″W / 51.9553°N 4.8152°W / 51.9553; -4.8152 (Cerrig Lladron stone row),
SN066322		 Three standing stones (one now fallen) align with the nearby Foel Eryr hilltop cairn. 1.3Bronze Age
 PE496
Cronllwyn Earthwork Enclosure Cwm Gwaun 51°58′47″N 4°56′01″W / 51.9797°N 4.9335°W / 51.9797; -4.9335 (Cronllwyn Earthwork),
SM986353		 1.5Prehistoric
 PE349
Enclosure Site 80m N of Ty Mawr Enclosure Cwm Gwaun 51°58′13″N 4°52′08″W / 51.9703°N 4.8688°W / 51.9703; -4.8688 (Enclosure Site 80m N of Ty Mawr),
SN030340		 1.5Prehistoric
 PE487
Enclosure Site on Allt Pen-Gegin-Isaf Enclosure Cwm Gwaun 51°58′11″N 4°52′02″W / 51.9698°N 4.8672°W / 51.9698; -4.8672 (Enclosure Site on Allt Pen-Gegin-Isaf),
SN031340		 1.5Prehistoric
 PE486
Summit cairn on Foel Eryr Foel Eryr Round Cairn Round cairn Cwm Gwaun 51°57′13″N 4°48′58″W / 51.9535°N 4.8161°W / 51.9535; -4.8161 (Foel Eryr Round Cairn),
SN065320		 1.3Bronze Age
 PE298
Gellifawr, Standing Stone 70m SW of Standing stone Cwm Gwaun 51°58′29″N 4°49′25″W / 51.9746°N 4.8236°W / 51.9746; -4.8236 (Gellifawr, Standing Stone 70m SW of),
SN061344		 1.3Prehistoric
 PE502
Glyn Gath Round Barrow Ring cairn Cwm Gwaun 51°59′33″N 4°53′24″W / 51.9926°N 4.8901°W / 51.9926; -4.8901 (Glyn Gath Round Barrow),
SN017366		 1.3Prehistoric
 PE312
Huts on Mynydd Melyn Unenclosed hut circle Cwm Gwaun 51°59′24″N 4°52′24″W / 51.9899°N 4.8733°W / 51.9899; -4.8733 (Huts on Mynydd Melyn),
SN028362		 1.5Prehistoric
 PE360
Iron Age Enclosure in Kilkiffeth Wood Enclosure Cwm Gwaun 51°58′14″N 4°53′16″W / 51.9705°N 4.8877°W / 51.9705; -4.8877 (Iron Age Enclosure in Kilkiffeth Wood),
SN017341		 1.5Prehistoric
 PE407
Mynydd Cilciffeth Round Barrows Round barrow Cwm Gwaun 51°57′16″N 4°53′53″W / 51.9545°N 4.898°W / 51.9545; -4.898 (Mynydd Cilciffeth Round Barrows),
SN009324		 1.3Prehistoric
 PE293
Parc y Meirw megalithic alignment Parc-y-Meirw Standing Stones Stone Row Cwm Gwaun 51°59′08″N 4°54′58″W / 51.9856°N 4.916°W / 51.9856; -4.916 (Parc-y-Meirw Standing Stones),
SM998359		 A row of four large standing stones, plus at least two others now lying down. There may be an additional alignment with Trellwyn Fawr stone (PE505) 1.3Bronze Age
 PE126
Tre-Gynon Camp Promontory fort – inland Cwm Gwaun 51°58′30″N 4°50′12″W / 51.975°N 4.8368°W / 51.975; -4.8368 (Tre-Gynon Camp),
SN052345		 1.5Prehistoric
 PE308
Trellwyn-fach maenhir Trellwyn Fach, Standing Stone 100m NW of Standing stone Cwm Gwaun 51°58′59″N 4°54′12″W / 51.9831°N 4.9033°W / 51.9831; -4.9033 (Trellwyn Fach, Standing Stone 100m NW of),
SN007356		 Also called Parc Maenhir. A 2m tall standing stone. 1.3Bronze Age
 PE506
Trellwyn Fawr, Standing Stone 60m WSW of Standing stone Cwm Gwaun 51°59′05″N 4°54′43″W / 51.9847°N 4.9119°W / 51.9847; -4.9119 (Trellwyn Fawr, Standing Stone 60m WSW of),
SN001358		 Early descriptions claim a pair of standing stones of which one now remains. 1.4m high, it is close to, and almost in line with the stone row of Parc-y-Meirw (PE126) 1.3Bronze Age
 PE505
Dale Point Promontory Fort (Defences) Promontory fort – coastal Dale 51°42′11″N 5°09′12″W / 51.7031°N 5.1534°W / 51.7031; -5.1534 (Dale Point Promontory Fort (Defences)),
SM821052		 1.5Prehistoric
 PE322
Great Castle Head Rath Promontory fort – coastal Dale 51°42′24″N 5°11′11″W / 51.7066°N 5.1865°W / 51.7066; -5.1865 (Great Castle Head Rath),
SM799056		 1.5Prehistoric
 PE195
Little Castle Point Defended Enclosure Promontory fort – coastal Dale 51°41′26″N 5°11′14″W / 51.6905°N 5.1872°W / 51.6905; -5.1872 (Little Castle Point Defended Enclosure),
SM798038		 1.5Prehistoric
 PE536
Dinas Island Castell Promontory fort – inland Dinas Cross 52°01′28″N 4°53′49″W / 52.0245°N 4.8969°W / 52.0245; -4.8969 (Dinas Island Castell),
SN013401		 1.5Prehistoric
 PE543
Standing Stone leaning at Dinas Cross – geograph.org.uk – 1803573 Parc Cerric Hirion Standing stone Dinas Cross 52°00′41″N 4°54′14″W / 52.0113°N 4.9038°W / 52.0113; -4.9038 (Standing Stone),
SN008387		 2.1m tall standing stone, with quite an acute lean. Confusion with the nearby stone at Ty-meini (PE200) has resulted in this stone sometimes also being named as The Lady Stone. 1.3Bronze Age
 PE199
The Lady Stone near Dinas Cross The Lady Stone, Ty-Meini Standing stone Dinas Cross 52°00′03″N 4°55′16″W / 52.0008°N 4.9212°W / 52.0008; -4.9212 (Ty-Meini Standing Stone),
SM996376		 Tall, tapering 2.7m standing stone beside a road near Dinas Cross. The rounded form of the top is said to resemble a heavily veiled lady. 1.5Prehistoric
 PE200
Banc Llwydlos Hut Group Enclosed hut circle Eglwyswrw 51°57′49″N 4°46′38″W / 51.9635°N 4.7772°W / 51.9635; -4.7772 (Banc Llwydlos Hut Group),
SN093331		 1.5Prehistoric
 PE370
Bedd Arthur stone oval, Preseli Mountains Bedd Arthur Enclosure Eglwyswrw 51°57′35″N 4°43′20″W / 51.9597°N 4.7223°W / 51.9597; -4.7223 (Bedd Arthur),
SN130325		 Stones set within an oval banked enclosure, 18m across at its longest. Possibly a ritual site, very like one on Skomer Island. Possible parallels with the earliest form of Stonehenge 1.1Neolithic
 PE464
Bedd yr Afanc, looking east-southeast Bedd yr Afanc Burial Chamber Chambered tomb Eglwyswrw 51°58′39″N 4°45′23″W / 51.9775°N 4.7563°W / 51.9775; -4.7563 (Bedd yr Afanc Burial Chamber),
SN108346		 Passage grave within a long cairn with 15m long mound. Some 7 surviving boulders create a P-shaped burial chamber. Excavated in 1939. 1.1Neolithic
 PE122
Carn Alw Hillfort Hillfort Eglwyswrw 51°58′15″N 4°42′40″W / 51.9707°N 4.7112°W / 51.9707; -4.7112 (Carn Alw Hillfort),
SN138337		 1.5Prehistoric
 PE375
Castell Llwyd Promontory fort – inland Eglwyswrw 52°00′18″N 4°45′04″W / 52.0049°N 4.751°W / 52.0049; -4.751 (Castell Llwyd),
SN113376		 1.5Prehistoric
 PE174
Castell Mawr from the air Castell Mawr Hillfort Eglwyswrw 52°00′23″N 4°44′33″W / 52.0064°N 4.7424°W / 52.0064; -4.7424 (Castell Mawr),
SN119378		 1.5Prehistoric
 PE172
Cwm-Pen-y-Benglog Camp Promontory fort – inland Eglwyswrw 52°00′08″N 4°44′32″W / 52.0021°N 4.7421°W / 52.0021; -4.7421 (Cwm-Pen-y-Benglog Camp),
SN118372		 1.5Prehistoric
 PE173
Foel Eryr Hut Group Enclosed hut circle Eglwyswrw 51°57′08″N 4°48′40″W / 51.9522°N 4.8111°W / 51.9522; -4.8111 (Foel Eryr Hut Group),
SN069319		 1.5Prehistoric
 PE368
Foel Feddau Round Cairn Round cairn Eglwyswrw 51°57′26″N 4°45′48″W / 51.9573°N 4.7633°W / 51.9573; -4.7633 (Foel Feddau Round Cairn),
SN102323		 1.3Prehistoric
 PE301
Parc-Lan Standing Stones Standing stone Eglwyswrw 51°59′14″N 4°46′57″W / 51.9872°N 4.7826°W / 51.9872; -4.7826 (Parc-Lan Standing Stones),
SN090357		 1.3Prehistoric
 PE371
Penparke Standing Stone Standing stone Eglwyswrw 51°59′04″N 4°46′56″W / 51.9845°N 4.7823°W / 51.9845; -4.7823 (Penparke Standing Stone),
SN090354		 1.3Prehistoric
 PE372
Tafarn-y-Bwlch Standing Stones Standing stone Eglwyswrw 51°58′07″N 4°47′40″W / 51.9685°N 4.7945°W / 51.9685; -4.7945 (Tafarn-y-Bwlch Standing Stones),
SN081337		 1.3Prehistoric
 PE352
Waun Mawn Standing Stones Standing stone Eglwyswrw 51°58′18″N 4°47′28″W / 51.9716°N 4.7912°W / 51.9716; -4.7912 (Waun Mawn Standing Stones),
SN083340		 1.3Prehistoric
 PE124
Garn Wen Cromlechs Garn Wen Burial Chambers Chambered tomb Fishguard and Goodwick 52°00′42″N 4°59′27″W / 52.0117°N 4.9909°W / 52.0117; -4.9909 (Garn Wen Burial Chambers),
SM948390		 A line of at least three, maybe four, cromlechs almost disappearing in the brambles and bracken on the hillside above Fishguard Ferry Terminal. 1.1Prehistoric
 PE030
Pen Rhiw Cromlech Pen-Rhiw Burial Chamber Chambered tomb Fishguard and Goodwick 52°00′43″N 5°00′00″W / 52.0119°N 4.9999°W / 52.0119; -4.9999 (Pen-Rhiw Burial Chamber),
SM942390		 A broad, low lying cromlech in a grassy field north of Pen-rhiw farm 1.1Prehistoric
 PE033
Clyn-Ffwrn Burial Chamber Chambered tomb Hayscastle 51°55′08″N 5°03′29″W / 51.9188°N 5.0581°W / 51.9188; -5.0581 (Clyn-Ffwrn Burial Chamber),
SM898289		 1.1Prehistoric
 PE132
Rhyndaston-Fawr Standing Stone Standing stone Hayscastle 51°52′40″N 5°03′30″W / 51.8777°N 5.0583°W / 51.8777; -5.0583 (Rhyndaston-Fawr Standing Stone),
SM896243		 1.3Prehistoric
 PE266
Round Barrow 370m NW of Mockwell Round barrow Hayscastle 51°53′17″N 5°01′28″W / 51.888°N 5.0245°W / 51.888; -5.0245 (Round Barrow 370m NW of Mockwell),
SM919253		 1.5Prehistoric
 PE520
St Lawrence Camp Promontory fort – inland Hayscastle 51°54′35″N 5°00′28″W / 51.9096°N 5.0077°W / 51.9096; -5.0077 (St Lawrence Camp),
SM932277		 1.5Prehistoric
 PE296
Standing Stone 100m ENE of Blaen-llyn Standing stone Hayscastle 51°55′19″N 5°05′10″W / 51.922°N 5.0861°W / 51.922; -5.0861 (Standing Stone 100m ENE of Blaen-llyn),
SM878293		 1.3Prehistoric
 PE507
Standing Stone 200m ENE of Trehale House Standing stone Hayscastle 51°55′12″N 5°04′35″W / 51.92°N 5.0765°W / 51.92; -5.0765 (Standing Stone 200m ENE of Trehale House),
SM885290		 1.3Prehistoric
 PE509
Standing Stone 270m NW of Trehale House Standing stone Hayscastle 51°55′16″N 5°04′56″W / 51.921°N 5.0821°W / 51.921; -5.0821 (Standing Stone 270m NW of Trehale House),
SM881292		 1.3Prehistoric
 PE508
Tre-Howell Burial Chamber Chambered tomb Hayscastle 51°55′04″N 5°04′03″W / 51.9178°N 5.0674°W / 51.9178; -5.0674 (Tre-Howell Burial Chamber),
SM891288		 1.1Neolithic
 PE063
Tump Round Barrow Round barrow Hayscastle 51°52′51″N 5°02′57″W / 51.8808°N 5.0491°W / 51.8808; -5.0491 (Tump Round Barrow),
SM902246		 1.3Prehistoric
 PE022
South Hook Camp Promontory fort – coastal Herbrandston 51°42′53″N 5°05′25″W / 51.7146°N 5.0903°W / 51.7146; -5.0903 (South Hook Camp),
SM866062		 1.5Prehistoric
 PE307
Pen-Dre Round Barrow Round barrow Letterston 51°55′43″N 4°59′13″W / 51.9285°N 4.9869°W / 51.9285; -4.9869 (Pen-Dre Round Barrow),
SM947297		 1.5Prehistoric
 PE062
Round Barrow 300m NW of Tallyho Round barrow Llangwm 51°45′05″N 4°57′07″W / 51.7514°N 4.9519°W / 51.7514; -4.9519 (Round Barrow 300m NW of Tallyho),
SM963099		 1.3Prehistoric
 PE526
Bickny Round Barrow Round barrow Llanrhian 51°56′22″N 5°09′23″W / 51.9394°N 5.1564°W / 51.9394; -5.1564 (Bickny Round Barrow),
SM831314		 1.3Prehistoric
 PE260
Castell Coch Promontory Fort Promontory fort – inland Llanrhian 51°57′39″N 5°08′42″W / 51.9607°N 5.145°W / 51.9607; -5.145 (Castell Coch Promontory Fort),
SM840338		 1.5Prehistoric
 PE029
Lecha Burial Chamber Chambered tomb Llanrhian 51°53′59″N 5°10′57″W / 51.8996°N 5.1824°W / 51.8996; -5.1824 (Lecha Burial Chamber),
SM811271		 1.5Prehistoric
 PE028
Porth Egr Defended Enclosure Promontory fort – coastal Llanrhian 51°56′43″N 5°12′09″W / 51.9452°N 5.2024°W / 51.9452; -5.2024 (Porth Egr Defended Enclosure),
SM800322		 1.5Prehistoric
 PE549
White House Burial Chamber Chambered tomb Llanrhian 51°54′41″N 5°09′45″W / 51.9115°N 5.1625°W / 51.9115; -5.1625 (White House Burial Chamber),
SM825284		 1.1Neolithic
 PE159
Castle Head Defended Enclosure Promontory fort – coastal Marloes and St Brides 51°45′21″N 5°11′32″W / 51.7559°N 5.1923°W / 51.7559; -5.1923 (Castle Head Defended Enclosure),
SM797111		 1.5Prehistoric
 PE537
Deer Park Promontory Fort Promontory fort – coastal Marloes and St Brides 51°44′08″N 5°14′54″W / 51.7355°N 5.2484°W / 51.7355; -5.2484 (Deer Park Promontory Fort),
SM758090		 1.5Prehistoric
 PE323
Tower Point Rath Promontory fort – inland Marloes and St Brides 51°45′08″N 5°12′11″W / 51.7523°N 5.203°W / 51.7523; -5.203 (Tower Point Rath),
SM790108		 1.5Prehistoric
 PE281
Watery Bay Rath Promontory fort – coastal Marloes and St Brides 51°43′33″N 5°13′55″W / 51.7259°N 5.2319°W / 51.7259; -5.2319 (Watery Bay Rath),
SM768079		 1.5Prehistoric
 PE194
Carreg Samson Dolmen Carreg Samson Dolmen Dolmen Mathry 51°57′30″N 5°07′58″W / 51.9583°N 5.1329°W / 51.9583; -5.1329 (Carreg Samson Dolmen),
SM848335		 Spectacular dolmen with huge capstone supported by three of the surrounding 6 uprights. Traditionally classed as a stone tomb, recent research is suggesting there was never a mound. Excavation in 1968 revealed it stands directly over an infilled pit large enough to have been the source of the capstone. (Often also spelled 'Sampson') 1.1Prehistoric
neolithic		 PE036
Castell Coch, Penmorfa Castell Coch Promontory Fort (on Penmorfa) Promontory fort – coastal Mathry 51°58′13″N 5°05′56″W / 51.9702°N 5.0989°W / 51.9702; -5.0989 (Castell Coch Promontory Fort (on Penmorfa)),
SM872347		 1.5Prehistoric
 PE393
Pen-Lan-Mebws-Uchaf Burial Chamber Chambered tomb Mathry 51°55′40″N 5°03′53″W / 51.9279°N 5.0646°W / 51.9279; -5.0646 (Pen-Lan-Mebws-Uchaf Burial Chamber),
SM893299		 1.1Neolithic
 PE131
Standing Stone 400m NE of Pen-lan-Mabws Standing stone Mathry 51°55′44″N 5°04′40″W / 51.9289°N 5.0777°W / 51.9289; -5.0777 (Standing Stone 400m NE of Pen-lan-Mabws),
SM884300		 1.5Prehistoric
 PE510
Tre-Wallter Llwyd Burial Chamber Chambered tomb Mathry 51°56′36″N 5°06′11″W / 51.9434°N 5.103°W / 51.9434; -5.103 (Tre-Wallter Llwyd Burial Chamber),
SM868317		 1.5Prehistoric
 PE037
Ty-Newydd-Grug Standing Stone Standing stone Mathry 51°55′05″N 5°01′09″W / 51.9181°N 5.0191°W / 51.9181; -5.0191 (Ty-Newydd-Grug Standing Stone),
SM924286		 1.3Prehistoric
 PE297
Ynys y Castell Hillfort Mathry 51°57′44″N 5°07′44″W / 51.9621°N 5.129°W / 51.9621; -5.129 (Ynys y Castell),
SM851339		 1.5Prehistoric
 PE038
Castle Pill Enclosure (archaeology) – Defensive Milford Haven 51°43′04″N 5°00′52″W / 51.7178°N 5.0145°W / 51.7178; -5.0145 (Castle Pill),
SM918064		 1.5Prehistoric
 PE541
Long Stone Burial Chamber Burial Chamber Milford Haven 51°43′25″N 5°03′12″W / 51.7235°N 5.0534°W / 51.7235; -5.0534 (Long Stone Burial Chamber),
SM892071		 1.5Prehistoric
 PE135
Priory Rath Rath Milford Haven 51°43′24″N 5°02′03″W / 51.7233°N 5.0343°W / 51.7233; -5.0343 (Priory Rath),
SM905070		 1.5Prehistoric
 PE186
Castell Henllys Hillfort Nevern 52°01′03″N 4°44′47″W / 52.0176°N 4.7463°W / 52.0176; -4.7463 (Castell Henllys),
SN167390		 1.5Prehistoric
 PE175
Caer, Bayvil Enclosure Nevern 52°02′30″N 4°45′13″W / 52.0416°N 4.7536°W / 52.0416; -4.7536 (Caer, Bayvil),
SN112417		 1.5Prehistoric
 PE419
Caerau Enclosure Nevern 52°04′32″N 4°44′19″W / 52.0756°N 4.7386°W / 52.0756; -4.7386 (Caerau),
SN124454		 1.5Prehistoric
 PE211
Castell Tre-Riffith Promontory fort – coastal Nevern 52°04′11″N 4°46′22″W / 52.0697°N 4.7727°W / 52.0697; -4.7727 (Castell Tre-Riffith),
SN100449		 1.5Prehistoric
 PE214
Castell y Garn Defended Enclosure Enclosure (archaeology) – Defensive Nevern 52°02′56″N 4°48′16″W / 52.0488°N 4.8044°W / 52.0488; -4.8044 (Castell y Garn Defended Enclosure),
SN078426		 1.5Prehistoric
 PE552
Crugiau Cemmaes Round Barrows Round barrow Nevern 52°02′28″N 4°44′05″W / 52.0411°N 4.7348°W / 52.0411; -4.7348 (Crugiau Cemmaes Round Barrows),
SN125416		 1.3Prehistoric
 PE197
Cup-Marked Stone 350m E of Tre-Fael Cup-marked stone Nevern 52°01′42″N 4°46′01″W / 52.0284°N 4.767°W / 52.0284; -4.767 (Cup-Marked Stone 350m E of Tre-Fael),
SN102402		 1.5Prehistoric
 PE313
Cwm Gloyn Camp Promontory fort – inland Nevern 52°01′23″N 4°45′55″W / 52.023°N 4.7654°W / 52.023; -4.7654 (Cwm Gloyn Camp),
SN103397		 1.5Prehistoric
 PE306
Enclosure in Tycanol Wood Promontory fort – coastal Nevern 51°59′47″N 4°46′56″W / 51.9964°N 4.7822°W / 51.9964; -4.7822 (Enclosure in Tycanol Wood),
SN091367		 1.5Prehistoric
 PE481
Glan-Dwr-Isaf Camp Enclosure Nevern 52°04′09″N 4°44′10″W / 52.0692°N 4.7361°W / 52.0692; -4.7361 (Glan-Dwr-Isaf Camp),
SN125447		 1.5Prehistoric
 PE213
Llech-Y-TrypeddH1b.jpg Llech-y-Tribedd Burial Chamber Chambered tomb Nevern 52°03′16″N 4°46′18″W / 52.0545°N 4.7717°W / 52.0545; -4.7717 (Llech-y-Tribedd Burial Chamber),
SN100432		 Well preserved dolmen with three tapering uprights and a massive capstone 1.5Prehistoric
 PE049
Pant-y-Groes Round Barrow Round barrow Nevern 52°02′45″N 4°45′34″W / 52.0457°N 4.7595°W / 52.0457; -4.7595 (Pant-y-Groes Round Barrow),
SN108421		 1.3Prehistoric
 PE198
Pen-Castell Promontory Fort Promontory fort – coastal Nevern 52°04′46″N 4°45′32″W / 52.0795°N 4.7589°W / 52.0795; -4.7589 (Pen-Castell Promontory Fort),
SN110459		 1.5Prehistoric
 PE212
Penrallt yr Esgob Cairn Round cairn Nevern 52°04′12″N 4°44′39″W / 52.0699°N 4.7441°W / 52.0699; -4.7441 (Penrallt yr Esgob Cairn),
SN120448		 1.3Prehistoric
 PE386
Pentre Ifan, Standing Stone 120m SSW of Standing stone Nevern 51°59′52″N 4°46′14″W / 51.9979°N 4.7705°W / 51.9979; -4.7705 (Pentre Ifan, Standing Stone 120m SSW of),
SN099369		 1.5Prehistoric
 PE504
Pentre Ifan Dolman Pentre Ifan Dolmen Property in the care of Cadw Dolman Nevern 51°59′57″N 4°46′12″W / 51.9991°N 4.7701°W / 51.9991; -4.7701 (Pentre-Ifan Burial Chamber),
SN099370		 16 tonne capstone, supported 2.5m off the ground on the slender tips of three upright stones. One of the most famous images of the Celtic fringe, and given legal protection in 1882. Traditionally considered a stone chamber for a tomb burial, recent research is suggesting it was designed to show off the elevated capstone, and was never within a mound. 1.1Prehistoric
(Neolithic)		 PE008
Tre-Fach Camp Promontory fort – inland Nevern 52°01′57″N 4°47′26″W / 52.0325°N 4.7905°W / 52.0325; -4.7905 (Tre-Fach Camp),
SN086408		 1.5Prehistoric
 PE353
Tre-Fach Standing Stone Standing stone Nevern 51°58′48″N 4°49′13″W / 51.9801°N 4.8204°W / 51.9801; -4.8204 (Tre-Fach Standing Stone),
SN064350		 1.3Prehistoric
 PE202
Trefaes Ganol, Standing Stone 250m N of Standing stone Nevern 52°03′10″N 4°44′53″W / 52.0529°N 4.7481°W / 52.0529; -4.7481 (Trefaes Ganol, Standing Stone 250m N of),
SN116429		 1.5Prehistoric
 PE501
Trellyffant Dolman Trellyffaint Burial Chamber & Standing Stone Chambered tomb Nevern 52°02′52″N 4°47′54″W / 52.0478°N 4.7982°W / 52.0478; -4.7982 (Trellyffaint Burial Chamber & Standing Stone),
SN082425		 A very large capstone is supported by four uprights of which at least one has slumped 1.5Prehistoric
 PE041
Carn Briw Round Cairn Round cairn Newport 51°59′53″N 4°49′58″W / 51.998°N 4.8327°W / 51.998; -4.8327 (Carn Briw Round Cairn),
SN056370		 1.5Prehistoric
 PE544
Carn Ffoi Camp Hillfort Newport 52°00′20″N 4°50′41″W / 52.0055°N 4.8447°W / 52.0055; -4.8447 (Carn Ffoi Camp),
SN048379		 1.5Prehistoric
 PE051
Carn Ffoi Prehistoric Settlement Hut circle settlement Newport 52°00′15″N 4°50′49″W / 52.0041°N 4.8469°W / 52.0041; -4.8469 (Carn Ffoi Prehistoric Settlement),
SN046377		 1.5Prehistoric
 PE052
Carn Ingli Camp Hillfort Newport 52°00′00″N 4°49′22″W / 52°N 4.8227°W / 52; -4.8227 (Carn Ingli Camp),
SN063372		 1.5Prehistoric
 PE011
Carn Ingli Common Hut Circles Unenclosed hut circle Newport 51°59′46″N 4°50′06″W / 51.9962°N 4.8349°W / 51.9962; -4.8349 (Carn Ingli Common Hut Circles),
SN054368		 1.5Prehistoric
 PE309
Carn Ingli Round Barrows Round barrow Newport 52°00′25″N 4°49′17″W / 52.0069°N 4.8213°W / 52.0069; -4.8213 (Carn Ingli Round Barrows),
SN064380		 1.3Prehistoric
 PE019
Carn Llwyd ring cairn Ring cairn Newport 52°00′21″N 4°49′25″W / 52.0058°N 4.8237°W / 52.0058; -4.8237 (Carn Llwyd ring cairn),
SN062379		 1.3Prehistoric
 PE495
Carreg Coetan burial chamber Carreg Coetan Arthur Burial Chamber Property in the care of Cadw Chambered tomb Newport 52°01′07″N 4°49′42″W / 52.0186°N 4.8282°W / 52.0186; -4.8282 (Carreg Coetan Burial Chamber),
SN060394		 Excavated by Sian Rees in 1979–80. Large well preserved dolmen amongst houses in Newport. 1.1Neolithic
 PE056
Cerrig y Gof chambered tomb Cerig-y-Gof Burial Chamber Chambered tomb Newport 52°00′49″N 4°51′46″W / 52.0137°N 4.8627°W / 52.0137; -4.8627 (Cerig-y-Gof Burial Chamber),
SN036389		 A group of up to five stone-lined chambers, thought to have been under a single mound, each with its own entrance portal. One retains a large capstone. 1.1Neolithic
 PE050
Hendre, Standing Stone 450m NNW of Standing stone Newport 52°01′01″N 4°51′30″W / 52.017°N 4.8582°W / 52.017; -4.8582 (Hendre, Standing Stone 450m NNW of),
SN039392		 1.3Prehistoric
 PE503
Mynnydd Caregog Hut Circle Unenclosed hut circle Newport 51°59′33″N 4°51′13″W / 51.9925°N 4.8537°W / 51.9925; -4.8537 (Mynnydd Caregog Hut Circle),
SN041365		 1.5Prehistoric
 PE310
Slade Camp Promontory fort – inland Nolton and Roch 51°51′46″N 5°03′48″W / 51.8627°N 5.0633°W / 51.8627; -5.0633 (Slade Camp),
SM891226		 1.5Prehistoric
 PE271
Carn Wnda Burial Chamber Chambered tomb Pencaer 52°00′46″N 5°00′48″W / 52.0129°N 5.0133°W / 52.0129; -5.0133 (Carn Wnda Burial Chamber),
SM933392		 1.1Neolithic
 PE031
Carreg Golchfa Defended Enclosure Promontory fort – coastal Pencaer 51°58′29″N 5°05′02″W / 51.9747°N 5.084°W / 51.9747; -5.084 (Carreg Golchfa Defended Enclosure),
SM882351		 1.5Prehistoric
 PE542
Castell Cleddyf Enclosure Pencaer 52°01′03″N 5°01′57″W / 52.0174°N 5.0326°W / 52.0174; -5.0326 (Castell Cleddyf),
SM920397		 1.5Prehistoric
 PE350
Castell Poeth Enclosure Pencaer 51°59′53″N 5°03′53″W / 51.998°N 5.0647°W / 51.998; -5.0647 (Castell Poeth),
SM897377		 1.5Prehistoric
 PE080
Dinas Mawr promontary fort Dinas Mawr Camp Promontory fort – coastal Pencaer 52°00′23″N 5°04′42″W / 52.0064°N 5.0782°W / 52.0064; -5.0782 (Dinas Mawr Camp),
SM888386		 1.5Prehistoric
 PE075
Ffynnon- Druidion Standing Stone Standing stone Pencaer 51°59′16″N 5°01′44″W / 51.9877°N 5.0288°W / 51.9877; -5.0288 (Ffynnon- Druidion Standing Stone),
SM921365		 1.3Prehistoric
 PE259
Garn Fawr Camp Hillfort Pencaer 52°00′29″N 5°04′03″W / 52.008°N 5.0676°W / 52.008; -5.0676 (Garn Fawr Camp),
SM895388		 1.5Prehistoric
 PE065
Garn Fechan Camp Hillfort Pencaer 52°00′32″N 5°03′38″W / 52.009°N 5.0605°W / 52.009; -5.0605 (Garn Fechan Camp),
SM900389		 1.5Prehistoric
 PE471
Garn Gilfach Burial Chamber Chambered tomb Pencaer 52°00′35″N 5°02′54″W / 52.0098°N 5.0484°W / 52.0098; -5.0484 (Garn Gilfach Burial Chamber),
SM909389		 1.1Neolithic
 PE032
Parc Hen Standing Stone Standing stone Pencaer 52°00′39″N 5°00′49″W / 52.0109°N 5.0137°W / 52.0109; -5.0137 (Parc Hen Standing Stone),
SM932390		 1.3Prehistoric
 PE518
Rhos y Clegyrn Circle & Standing Stone Standing stone Pencaer 51°58′42″N 5°02′23″W / 51.9783°N 5.0397°W / 51.9783; -5.0397 (Rhos y Clegyrn Circle & Standing Stone),
SM913354		 1.3Prehistoric
 PE045
Ffyst Samson dolmen Trefflys Burial Chamber Chambered tomb Pencaer 51°58′24″N 5°03′00″W / 51.9732°N 5.0501°W / 51.9732; -5.0501 (Trefflys Burial Chamber),
SM906349		 Also known as Ffyst Samson. This dolmen has two substantial uprights, 2 metres apart, supporting a large capstonewhich slopes down to the north. 1.1Neolithic
 PE044
Banc Du hillside Banc Du Neolithic Enclosure Enclosure Puncheston 51°56′27″N 4°49′23″W / 51.9409°N 4.823°W / 51.9409; -4.823 (Banc Du Neolithic Enclosure),
SN060306		 The first confirmed neolithic enclosure in Wales. Excavations in 2012 revealed ramparts built with stone facing and timber posts. Dated to 3650 BC. 1.1Neolithic
 PE532
Carreg Quoitan Standing Stone Standing stone Puncheston 51°56′06″N 4°53′49″W / 51.9351°N 4.8969°W / 51.9351; -4.8969 (Carreg Quoitan Standing Stone),
SN009302		 Also called Carreg Coitan Arthur. It is an irregular, massive monolith, over 2m high, set into an embanked hedge line a little north of the village. 1.3Bronze Age
 PE513
Castell y Fuwch Enclosure Puncheston 51°55′32″N 4°52′28″W / 51.9255°N 4.8744°W / 51.9255; -4.8744 (Castell y Fuwch),
SN024291		 1.5Prehistoric
 PE239
Colston Burial Chamber Chambered tomb Puncheston 51°54′54″N 4°56′03″W / 51.915°N 4.9343°W / 51.915; -4.9343 (Colston Burial Chamber),
SM983281		 Also known as 'The Altar'. A stone chamber with a capstone embedded into a field boundary bank. An adjacent second chamber on the other side of the boundary was destroyed c.1815 when Beulah Hill road was built over it. 1.1Neolithic
 PE025
Defended Enclosure 300m SE of Pentre Enclosure (archaeology) – Defensive Puncheston 51°55′48″N 4°56′29″W / 51.93°N 4.9413°W / 51.93; -4.9413 (Defended Enclosure 300m SE of Pentre),
SM978298		 1.5Prehistoric
 PE550
Defended Enclosure 400m ESE of Pen-Feidr Enclosure (archaeology) – Defensive Puncheston 51°55′15″N 4°50′25″W / 51.9207°N 4.8404°W / 51.9207; -4.8404 (Defended Enclosure 400m ESE of Pen-Feidr),
SN047284		 1.5Prehistoric
 PE557
Dyffryn Stone Circle Stone circle Puncheston 51°55′15″N 4°49′25″W / 51.9207°N 4.8236°W / 51.9207; -4.8236 (Dyffryn Stone Circle),
SN059284		 1.3Prehistoric
 PE120
Fagwr-Fran Standing Stone Standing stone Puncheston 51°56′45″N 4°54′15″W / 51.9458°N 4.9043°W / 51.9458; -4.9043 (Fagwr-Fran Standing Stone),
SN005315		 1.3Prehistoric
 PE340
Huts, Enclosures & Field Systems, Bernards Well Mountain Hut circle settlement Puncheston 51°55′39″N 4°49′43″W / 51.9274°N 4.8285°W / 51.9274; -4.8285 (Huts, Enclosures & Field Systems, Bernards Well Mountain),
SN056292		 1.5Prehistoric
 PE399
Iron Age/ Romano-British Settlement & Field Systems on Fagwr-Fran Moor Hut circle settlement Puncheston 51°57′08″N 4°54′37″W / 51.9523°N 4.9104°W / 51.9523; -4.9104 (Iron Age/ Romano-British Settlement & Field Systems on Fagwr-Fran Moor),
SN001322		 1.5Prehistoric
 PE417
Marsh Round Barrow Round barrow Puncheston 51°56′27″N 4°54′08″W / 51.9408°N 4.9022°W / 51.9408; -4.9022 (Marsh Round Barrow),
SN006309		 1.3Prehistoric
 PE341
Mynydd Castlebythe Ring Barrow Ring barrow Puncheston 51°55′49″N 4°52′12″W / 51.9302°N 4.8701°W / 51.9302; -4.8701 (Mynydd Castlebythe Ring Barrow),
SN027296		 1.3Prehistoric
 PE517
Mynydd Castlebythe Round Barrows Round barrow Puncheston 51°55′49″N 4°52′07″W / 51.9304°N 4.8686°W / 51.9304; -4.8686 (Mynydd Castlebythe Round Barrows),
SN028296		 1.3Prehistoric
 PE516
Parc Castell Round Barrow Round barrow Puncheston 51°54′30″N 4°52′44″W / 51.9084°N 4.879°W / 51.9084; -4.879 (Parc Castell Round Barrow),
SN020272		 1.3Prehistoric
 PE515
Parc Maen Llwyd Standing Stone Standing stone Puncheston 51°55′51″N 4°54′05″W / 51.9308°N 4.9015°W / 51.9308; -4.9015 (Parc Maen Llwyd Standing Stone),
SN006297		 1.3Prehistoric
 PE514
Summerton Camp Hillfort Puncheston 51°56′02″N 4°55′29″W / 51.9338°N 4.9248°W / 51.9338; -4.9248 (Summerton Camp),
SM990302		 1.5Prehistoric
 PE299
Wern Camp Promontory fort – inland Puncheston 51°56′06″N 4°53′04″W / 51.9349°N 4.8844°W / 51.9349; -4.8844 (Wern Camp),
SN018301		 1.5Prehistoric
 PE237
Rosemarket Rath Rath Rosemarket 51°44′01″N 4°57′57″W / 51.7336°N 4.9658°W / 51.7336; -4.9658 (Rosemarket Rath),
SM952080		 1.5Prehistoric
 PE223
Leachpool Round Barrow Round barrow Rudbaxton 51°50′00″N 4°56′36″W / 51.8334°N 4.9434°W / 51.8334; -4.9434 (Leachpool Round Barrow),
SM973190		 1.3Prehistoric
 PE356
Pit Circle 250m NE of Cottesmore Farm Pit circle Rudbaxton 51°49′49″N 4°58′36″W / 51.8304°N 4.9768°W / 51.8304; -4.9768 (Pit Circle 250m NE of Cottesmore Farm),
SM950188		 1.5Prehistoric
 PE462
Round Barrow Pair 175m N of Ramswood House Round barrow Rudbaxton 51°51′01″N 4°55′27″W / 51.8502°N 4.9242°W / 51.8502; -4.9242 (Round Barrow Pair 175m N of Ramswood House),
SM986208		 1.3Prehistoric
 PE114
The Rath, Rudbaxton Rudbaxton Rath Rath Rudbaxton 51°49′55″N 4°55′31″W / 51.8319°N 4.9254°W / 51.8319; -4.9254 (Rudbaxton Rath),
SM985189		 1.5Prehistoric
 PE101
Castell Hendre-Wen Enclosure Scleddau 51°57′46″N 5°01′40″W / 51.9628°N 5.0278°W / 51.9628; -5.0278 (Castell Hendre-Wen),
SM921337		 1.5Prehistoric
 PE081
Round Barrow on Jordanson Hill Round barrow Scleddau 51°57′28″N 5°01′33″W / 51.9579°N 5.0258°W / 51.9579; -5.0258 (Round Barrow on Jordanson Hill),
SM922331		 1.3Prehistoric
 PE082
Castle Lake Camp Promontory fort – coastal Slebech 51°46′48″N 4°52′10″W / 51.78°N 4.8694°W / 51.78; -4.8694 (Castle Lake Camp),
SN021129		 1.5Prehistoric
 PE278
Picton Point Camp Promontory fort – coastal Slebech 51°46′07″N 4°53′45″W / 51.7686°N 4.8957°W / 51.7686; -4.8957 (Picton Point Camp),
SN003117		 1.5Prehistoric
 PE280
Burial Chamber Chambered tomb Solva 51°52′16″N 5°10′47″W / 51.871°N 5.1797°W / 51.871; -5.1797 (Burial Chamber),
SM812239		 1.1Neolithic
 PE043
Enclosure 200m SE of Solva Village Enclosure Solva 51°52′28″N 5°11′06″W / 51.8745°N 5.185°W / 51.8745; -5.185 (Enclosure 200m SE of Solva Village),
SM809243		 1.5Prehistoric
 PE480
Porth y Bwch Defended Enclosure Promontory fort – coastal Solva 51°51′57″N 5°10′45″W / 51.8658°N 5.1793°W / 51.8658; -5.1793 (Porth y Bwch Defended Enclosure),
SM812233		 1.5Prehistoric
 PE548
Porth y Rhaw hillfort from the west Porth-y-Rhaw Camp Promontory fort – coastal Solva 51°52′21″N 5°12′59″W / 51.8725°N 5.2164°W / 51.8725; -5.2164 (Porth-y-Rhaw Camp),
SM786242		 1.5Prehistoric
 PE273
Promontory Fort S of Solva Harbour Promontory fort – coastal Solva 51°52′13″N 5°11′38″W / 51.8703°N 5.194°W / 51.8703; -5.194 (Promontory Fort S of Solva Harbour),
SM802239		 1.5Prehistoric
 PE410
Tre-Maen Hir Standing Stones Standing stone Solva 51°53′35″N 5°09′33″W / 51.8931°N 5.1592°W / 51.8931; -5.1592 (Tre-Maen Hir Standing Stones),
SM827263		 1.3Prehistoric
 PE130
Carn Llidi Burial Chambers Chambered tomb St Davids and the Cathedral Close 51°54′13″N 5°17′37″W / 51.9035°N 5.2935°W / 51.9035; -5.2935 (Carn Llidi Burial Chambers),
SM735279		 1.1Neolithic
 PE042
Coetan Arthur Burial Chamber, St David's Head Coetan Arthur Burial Chamber Chambered tomb St Davids and the Cathedral Close 51°54′16″N 5°18′29″W / 51.9045°N 5.3081°W / 51.9045; -5.3081 (Coetan Arthur Burial Chamber),
SM725281		 1.1Neolithic
 PE054
Lower Tregennis Burial Chamber Chambered tomb St Davids and the Cathedral Close 51°51′51″N 5°18′57″W / 51.8641°N 5.3159°W / 51.8641; -5.3159 (Lower Tregennis Burial Chamber),
SM717235		 1.1Neolithic
 PE421
Standing Stone NW of Trecenny Farm Standing stone St Davids and the Cathedral Close 51°53′08″N 5°14′48″W / 51.8855°N 5.2468°W / 51.8855; -5.2468 (Standing Stone NW of Trecenny Farm),
SM766257		 1.5Prehistoric
 PE414
Caerau Promontory Forts Promontory fort – coastal St Davids and the Cathedral Close 51°55′53″N 5°13′04″W / 51.9314°N 5.2178°W / 51.9314; -5.2178 (Caerau Promontory Forts),
SM788307		 1.5Prehistoric
 PE392
Caerfaihillfort on Penpleidiau Caerfai Camp Promontory fort – coastal St Davids and the Cathedral Close 51°52′11″N 5°15′04″W / 51.8696°N 5.251°W / 51.8696; -5.251 (Caerfai Camp),
SM762240		 1.5Prehistoric
 PE294
Castell Coch Promontory Fort (by Ynys Gwair) Promontory fort – coastal St Davids and the Cathedral Close 51°55′38″N 5°14′12″W / 51.9272°N 5.2368°W / 51.9272; -5.2368 (Castell Coch Promontory Fort (by Ynys Gwair)),
SM775303		 1.5Prehistoric
 PE391
Castell Heinif Promontory fort – coastal St Davids and the Cathedral Close 51°52′27″N 5°18′30″W / 51.8742°N 5.3082°W / 51.8742; -5.3082 (Castell Heinif),
SM723246		 1.5Prehistoric
 PE295
Clegyr Boia, view east Clegyr Boia Camp Hillfort St Davids and the Cathedral Close 51°52′43″N 5°17′19″W / 51.8785°N 5.2885°W / 51.8785; -5.2885 (Clegyr-Boia Camp),
SM737251		 1.5Prehistoric
 PE109
Hut Circles and Ancient Enclosures NW of Carn Llidi Field system St Davids and the Cathedral Close 51°54′24″N 5°17′56″W / 51.9068°N 5.299°W / 51.9068; -5.299 (Hut Circles and Ancient Enclosures NW of Carn Llidi),
SM731282		 1.5Prehistoric
 PE093
St David's Head Camp Promontory fort – coastal St Davids and the Cathedral Close 51°54′11″N 5°18′43″W / 51.903°N 5.312°W / 51.903; -5.312 (St David's Head Camp),
SM722279		 1.5Prehistoric
 PE071
Burnt Mound 120m SSE of Cippin Fach Burnt mound St Dogmaels 52°05′56″N 4°43′42″W / 52.0988°N 4.7283°W / 52.0988; -4.7283 (Burnt Mound 120m SSE of Cippin Fach),
SN132480		 1.5Prehistoric
 PE477
Burnt Mound 160m SW of Wern-Ddu Burnt mound St Dogmaels 52°05′56″N 4°43′21″W / 52.0988°N 4.7226°W / 52.0988; -4.7226 (Burnt Mound 160m SW of Wern-Ddu),
SN135478		 1.5Prehistoric
 PE478
Foxhill Round Barrow Round barrow St Dogmaels 52°04′32″N 4°41′56″W / 52.0756°N 4.6989°W / 52.0756; -4.6989 (Foxhill Round Barrow),
SN151453		 1.3Prehistoric
 PE326
Pant-y-Groes Crugiau Round barrow St Dogmaels 52°04′44″N 4°42′47″W / 52.0788°N 4.713°W / 52.0788; -4.713 (Pant-y-Groes Crugiau),
SN141457		 1.3Prehistoric
 PE168
Burnt Mound 320m S of Winsle Leys Burnt mound St Ishmael's 51°44′03″N 5°07′40″W / 51.7342°N 5.1279°W / 51.7342; -5.1279 (Burnt Mound 320m S of Winsle Leys),
SM841085		 1.5Prehistoric
 PE474
Promontory Fort on Great Castle Head Promontory fort – coastal St Ishmael's 51°42′42″N 5°06′58″W / 51.7116°N 5.116°W / 51.7116; -5.116 (Promontory Fort on Great Castle Head),
SM848060		 1.5Prehistoric
 PE416
Promontory Fort on Little Castle Head Promontory fort – coastal St Ishmael's 51°42′58″N 5°06′26″W / 51.7161°N 5.1071°W / 51.7161; -5.1071 (Promontory Fort on Little Castle Head),
SM854065		 1.5Prehistoric
 PE408
Standing Stone 290m S of Mabesgate Standing stone St Ishmael's 51°43′30″N 5°08′46″W / 51.725°N 5.1461°W / 51.725; -5.1461 (Standing Stone 290m S of Mabesgate),
SM828076		 1.3Prehistoric
 PE113
Standing Stone NNW of Sandy Haven House Standing stone St Ishmael's 51°44′00″N 5°07′00″W / 51.7332°N 5.1167°W / 51.7332; -5.1167 (Standing Stone NNW of Sandy Haven House),
SM848084		 1.3Prehistoric
 PE358
Black Point Rath Promontory fort – coastal The Havens 51°47′43″N 5°06′18″W / 51.7952°N 5.105°W / 51.7952; -5.105 (Black Point Rath),
SM860152		 1.5Prehistoric
 PE265
Harold Stone Standing stone The Havens 51°47′24″N 5°06′08″W / 51.7901°N 5.1022°W / 51.7901; -5.1022 (Harold Stone),
SM861147		 1.3Prehistoric
 PE362
Howelston Defended Enclosure Promontory fort – inland The Havens 51°45′56″N 5°06′49″W / 51.7655°N 5.1135°W / 51.7655; -5.1135 (Howelston Defended Enclosure),
SM852120		 1.5Prehistoric
 PE538
Howney Stone Rath Promontory fort – inland The Havens 51°46′16″N 5°09′39″W / 51.7711°N 5.1609°W / 51.7711; -5.1609 (Howney Stone Rath),
SM820127		 1.5Prehistoric
 PE282
Lamber Round Barrow Round barrow The Havens 51°47′33″N 5°03′17″W / 51.7924°N 5.0547°W / 51.7924; -5.0547 (Lamber Round Barrow),
SM894148		 1.5Prehistoric
 PE348
Little Haven Enclosed Settlement Unenclosed hut circle settlement The Havens 51°46′08″N 5°06′47″W / 51.7689°N 5.1131°W / 51.7689; -5.1131 (Little Haven Enclosed Settlement),
SM852123		 1.5Prehistoric
 PE456
Mill Haven Rath Promontory fort – inland The Havens 51°46′06″N 5°09′55″W / 51.7682°N 5.1653°W / 51.7682; -5.1653 (Mill Haven Rath),
SM816125		 1.5Prehistoric
 PE283
Standing Stones near Upper Lodge Standing stone The Havens 51°47′11″N 5°06′06″W / 51.7863°N 5.1017°W / 51.7863; -5.1017 (Standing Stones near Upper Lodge),
SM861143		 1.3Prehistoric
 PE134
Woodland Rath Rath The Havens 51°45′49″N 5°06′39″W / 51.7637°N 5.1108°W / 51.7637; -5.1108 (Woodland Rath),
SM854118		 1.5Prehistoric
 PE191
Woodland Round Barrow Round barrow The Havens 51°45′47″N 5°06′14″W / 51.7631°N 5.1039°W / 51.7631; -5.1039 (Woodland Round Barrow),
SM859117		 1.3Prehistoric
 PE158
Burnt Mound 170m S of Jubilee Cottages Burnt mound Tiers Cross 51°45′08″N 5°00′45″W / 51.7523°N 5.0124°W / 51.7523; -5.0124 (Burnt Mound 170m S of Jubilee Cottages),
SM921102		 1.5Prehistoric
 PE476
Burnt Mound 240m NE of Highway Park Burnt mound Tiers Cross 51°45′42″N 5°01′56″W / 51.7616°N 5.0322°W / 51.7616; -5.0322 (Burnt Mound 240m NE of Highway Park),
SM908113		 1.5Prehistoric
 PE473
Denant Rath Rath Tiers Cross 51°46′39″N 5°00′48″W / 51.7775°N 5.0132°W / 51.7775; -5.0132 (Denant Rath),
SM922131		 1.5Prehistoric
 PE215
Thornton Rath Promontory fort – inland Tiers Cross 51°43′50″N 5°02′06″W / 51.7305°N 5.0351°W / 51.7305; -5.0351 (Thornton Rath),
SM905078		 1.5Prehistoric
 PE187
Waun-Castell Camp Promontory fort – inland Trecwn 51°57′07″N 4°57′12″W / 51.952°N 4.9534°W / 51.952; -4.9534 (Waun-Castell Camp),
SM971322		 1.5Prehistoric
 PE140
Bucket Camp Enclosure Trecwn 51°56′24″N 4°59′02″W / 51.94°N 4.9838°W / 51.94; -4.9838 (Bucket Camp),
SM950310		 1.5Prehistoric
 PE231
Caer Penbicas Enclosure Trecwn 51°57′18″N 4°58′17″W / 51.955°N 4.9715°W / 51.955; -4.9715 (Caer Penbicas),
SM959327		 1.5Prehistoric
 PE139
Castell Cwm-Wyntyll Enclosure Trecwn 51°56′29″N 4°57′46″W / 51.9415°N 4.9627°W / 51.9415; -4.9627 (Castell Cwm-Wyntyll),
SM964311		 1.5Prehistoric
 PE141
Castell Pant-y-Phillip Enclosure Trecwn 51°57′45″N 4°58′50″W / 51.9625°N 4.9806°W / 51.9625; -4.9806 (Castell Pant-y-Phillip),
SM952335		 1.5Prehistoric
 PE138
Good Hook Round Barrow Round barrow Uzmaston and Boulston 51°48′40″N 4°55′17″W / 51.811°N 4.9213°W / 51.811; -4.9213 (Good Hook Round Barrow),
SM987166		 1.3Prehistoric
 PE330
Hanton Round Barrows Round barrow Uzmaston and Boulston 51°47′33″N 4°55′29″W / 51.7924°N 4.9248°W / 51.7924; -4.9248 (Hanton Round Barrows),
SM983144		 1.3Prehistoric
 PE279
Uzmaston Round Barrow Round barrow Uzmaston and Boulston 51°47′41″N 4°56′43″W / 51.7946°N 4.9453°W / 51.7946; -4.9453 (Uzmaston Round Barrow),
SM970148		 1.3Prehistoric
 PE331
Burnt Mound 160m E of Woodsend Burnt mound Walwyn's Castle 51°45′05″N 5°04′28″W / 51.7514°N 5.0744°W / 51.7514; -5.0744 (Burnt Mound 160m E of Woodsend),
SM878103		 1.5Prehistoric
 PE475
Capeston Rath Promontory fort – inland Walwyn's Castle 51°44′37″N 5°05′24″W / 51.7435°N 5.0901°W / 51.7435; -5.0901 (Capeston Rath),
SM867095		 1.5Prehistoric
 PE193
Rath (Ringwork) at Walwyn's Castle Rath S of St James Church Rath Walwyn's Castle 51°45′28″N 5°05′02″W / 51.7579°N 5.0838°W / 51.7579; -5.0838 (Rath S of St James Church),
SM872110		 1.5Prehistoric
 PE189
Rickeston Rath Rath Walwyn's Castle 51°44′37″N 5°05′08″W / 51.7435°N 5.0856°W / 51.7435; -5.0856 (Rickeston Rath),
SM870095		 1.5Prehistoric
 PE192
Roman Castle Rath Walwyn's Castle 51°45′15″N 5°03′04″W / 51.7543°N 5.051°W / 51.7543; -5.051 (Roman Castle),
SM895105		 1.5Prehistoric
 PE188
Syke Rath Promontory fort – inland Walwyn's Castle 51°45′03″N 5°05′02″W / 51.7509°N 5.084°W / 51.7509; -5.084 (Syke Rath),
SM872103		 1.5Prehistoric
 PE190
Colby Moor Round Barrow Round barrow Wiston 51°49′14″N 4°50′33″W / 51.8205°N 4.8424°W / 51.8205; -4.8424 (Colby Moor Round Barrow),
SN041173		 1.3Prehistoric
 PE527
Corner Piece Round Barrow Round barrow Wiston 51°50′42″N 4°52′13″W / 51.8451°N 4.8704°W / 51.8451; -4.8704 (Corner Piece Round Barrow),
SN023201		 1.3Prehistoric
 PE528
Knock Rath Rath Wiston 51°51′33″N 4°50′59″W / 51.8593°N 4.8498°W / 51.8593; -4.8498 (Knock Rath),
SN039217		 1.5Prehistoric
 PE242
Lamborough Camp Promontory fort – inland Wiston 51°50′32″N 4°51′50″W / 51.8421°N 4.8639°W / 51.8421; -4.8639 (Lamborough Camp),
SN028198		 1.5Prehistoric
 PE267
Scollock Rath Rath Wiston 51°52′54″N 4°52′47″W / 51.8817°N 4.8797°W / 51.8817; -4.8797 (Scollock Rath),
SN019242		 1.5Prehistoric
 PE244
Walton Mill Rath Enclosure Wiston 51°52′18″N 4°51′32″W / 51.8716°N 4.8588°W / 51.8716; -4.8588 (Walton Mill Rath),
SN032231		 1.5Prehistoric
 PE460
Woodbarn Camp Rath Wiston 51°49′00″N 4°52′43″W / 51.8166°N 4.8785°W / 51.8166; -4.8785 (Woodbarn Camp),
SN017170		 1.5Prehistoric
 PE089
Ford Camp Enclosure Wolfscastle 51°53′57″N 4°59′00″W / 51.8993°N 4.9834°W / 51.8993; -4.9834 (Ford Camp),
SM948265		 1.5Prehistoric
 PE256
Garn Turne Burial Chamber Chambered tomb Wolfscastle 51°54′26″N 4°56′20″W / 51.9072°N 4.9389°W / 51.9072; -4.9389 (Garn Turne Burial Chamber),
SM979272		 1.1Neolithic
 PE061
Great Treffgarne Rocks Camp Hillfort Wolfscastle 51°53′12″N 4°58′14″W / 51.8867°N 4.9705°W / 51.8867; -4.9705 (Great Treffgarne Rocks Camp),
SM956250		 1.5Prehistoric
 PE248
Great Treffgarne Wood Camp Enclosure Wolfscastle 51°52′16″N 4°57′53″W / 51.8712°N 4.9648°W / 51.8712; -4.9648 (Great Treffgarne Wood Camp),
SM960233		 1.5Prehistoric
 PE247
Hazel Grove Camp (North) Enclosure Wolfscastle 51°52′25″N 4°57′34″W / 51.8735°N 4.9594°W / 51.8735; -4.9594 (Hazel Grove Camp (North)),
SM964236		 1.5Prehistoric
 PE251
Hazel Grove Camp (South) Enclosure Wolfscastle 51°52′21″N 4°57′30″W / 51.8726°N 4.9582°W / 51.8726; -4.9582 (Hazel Grove Camp (South)),
SM965234		 1.5Prehistoric
 PE252
Little Treffgarne Camp Enclosure Wolfscastle 51°53′05″N 4°57′52″W / 51.8847°N 4.9644°W / 51.8847; -4.9644 (Little Treffgarne Camp),
SM961248		 1.5Prehistoric
 PE249
Little Treffgarne Wood Camp Enclosure Wolfscastle 51°52′54″N 4°57′51″W / 51.8817°N 4.9641°W / 51.8817; -4.9641 (Little Treffgarne Wood Camp),
SM960245		 1.5Prehistoric
 PE250
Lower Broad Moor Standing Stone Standing stone Wolfscastle 51°54′35″N 4°58′43″W / 51.9097°N 4.9787°W / 51.9097; -4.9787 (Lower Broad Moor Standing Stone),
SM952276		 1.3Prehistoric
 PE355
Nant y Coy Bridge Defended Enclosure Enclosure (archaeology) – Defensive Wolfscastle 51°53′18″N 4°58′26″W / 51.8882°N 4.974°W / 51.8882; -4.974 (Nant y Coy Bridge Defended Enclosure),
SM954252		 1.5Prehistoric
 PE556
Sealyham Quarries Camp Promontory fort – inland Wolfscastle 51°54′31″N 4°58′06″W / 51.9086°N 4.9684°W / 51.9086; -4.9684 (Sealyham Quarries Camp),
SM959275		 1.5Prehistoric
 PE255
Sealyham Rocks Camp Rath Wolfscastle 51°54′59″N 4°57′15″W / 51.9163°N 4.9543°W / 51.9163; -4.9543 (Sealyham Rocks Camp),
SM969283		 1.5Prehistoric
 PE253
Standing Stone 450m SSE of Lower Broadmoor Farm Standing stone Wolfscastle 51°54′27″N 4°58′39″W / 51.9075°N 4.9776°W / 51.9075; -4.9776 (Standing Stone 450m SSE of Lower Broadmoor Farm),
SM952274		 1.3Prehistoric
 PE512
Treffgarne Gorge Defended Enclosure Enclosure (archaeology) – Defensive Wolfscastle 51°52′48″N 4°57′52″W / 51.8799°N 4.9644°W / 51.8799; -4.9644 (Treffgarne Gorge Defended Enclosure),
SM960243		 1.5Prehistoric
 PE555
West Ford Camp Enclosure Wolfscastle 51°53′28″N 4°59′03″W / 51.8911°N 4.9842°W / 51.8911; -4.9842 (West Ford Camp),
SM947256		 1.5Prehistoric
 PE257


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List of prehistoric scheduled monuments in north Pembrokeshire Facts for Kids. Kiddle Encyclopedia.