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River Medlock facts for kids

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River Medlock
River Medlock running under Oxford Street/Oxford Road, Manchester
Country England
Physical characteristics
Main source between Oldham and Saddleworth, Pennines
River mouth River Irwell
53°28′26.67″N 2°15′12.31″W / 53.4740750°N 2.2534194°W / 53.4740750; -2.2534194

The River Medlock is a river in Greater Manchester, England, which rises near Oldham and flows south and west for ten miles to join the River Irwell in Manchester city centre.

Lower reaches

The final miles of the river flowing to the River Irwell have been extensively modified. The river is culverted underneath the car park of the City of Manchester Stadium (the site of a former gasworks). It is visible under a bridge on Baring Street, close to Piccadilly station, before running again in a culvert beneath the former University of Manchester Institute of Science & Technology campus (London Road (A6) to Princess Street), then under Hulme Street, until it appears briefly at Gloucester Street before flowing under the former gasworks at Gaythorn, reappearing at City Road East. At the point where Deansgate and Chester Road (A56) meet (under the Bridgewater Viaduct) the river meets the Bridgewater Canal head on, where a sluice gate (a listed structure) allowed water to feed the canal, until the water quality of the Medlock became too polluted for canal use. Normally the level of the river is several feet below the level of the canal, and the river is carried in a tunnel under the Castlefield canal basin, reappearing at Potato Wharf, where it is supplemented by excess canal water draining into a circular weir. When the river is in spate the tunnel cannot cope and river water enters the canal, flows across the basin, and exits via the weir and manually operated gates. A quarter of a mile further on the Medlock enters the Irwell adjacent to the bottom gate of the disused Hulme Locks.


In the latter part of the 18th century the river was navigable at least between the Bridgewater Canal (at Deansgate) and the site of India House (on Whitworth Street). At India House was the entrance to a tunnel used to carry coal to a wharf at Store Street (by Piccadilly station). The tunnel mouth is still visible. The tunnel was rendered obsolete by silting of the river and the construction of the Rochdale Canal.

Notable features

The area just south of Oxford Road railway station enclosed by the railway line and the loop in the river was known as Little Ireland, and was described by Friedrich Engels as "the most horrible spot" of the area. It is commemorated by a red plaque on the wall of 8 Great Marlborough Street, about half-way between New Wakefield Street and Hulme Street.

About 0.3 mile west of the plaque, there stands the Statue of Friedrich Engels at Tony Wilson Place. The statue was moved from Ukraine after the dissolution of the Soviet Union, and has the now-culverted flow of River Medlock between Anne Horniman Street and City Road East beneath.

The telephone exchange name, and subsequent dialling code for the area around Strinesdale, Moorside, and Grains Bar, was Medlock Head, abbreviated to MED for dialling. This was so at the time of the introduction of Subscriber Trunk Dialling to the area in the 1960s. The name owed less to local geography than to technology. The code MED was rendered as 633 on the telephone dial. MAI, the code for Oldham Main, was 624. Post Office Telecoms equipment of the day worked better when discrete local geographical areas, then with relatively few subscribers, had similar prefixes. These numbers, and others beginning with 6, remain in use in Greater Manchester, prefixed by 0161.


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