Cwm Dewi facts for kids
| Site of Special Scientific Interest | |
The Cwm in January 2005
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| Area of Search | Pembrokeshire |
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| Coordinates | 52°01′16″N 4°54′20″W / 52.021148°N 4.90542°W |
| Interest | Geological |
| Area | 22.02 ha |
| Notification | 2010 |
Cwm Dewi is a very special place located in Pembrokeshire, South Wales. It has been named a Site of Special Scientific Interest (or SSSI). This means it's a protected area because of its important natural features.
The site was officially made an SSSI in January 2010. This was done to help protect its unique geological features. Cwm Dewi covers an area of about 22 hectares, which is like 22 football fields! It is looked after by an organization called Natural Resources Wales.
Cwm Dewi: A Window to the Ice Age
Cwm Dewi is important because of its amazing geological features. These are special landforms that were created a very long time ago during the Ice Age.
How the Valley Was Formed
This site is one of the best places in Britain to study landforms and deposits from the Quaternary period. This period includes the Ice Age, which happened thousands of years ago.
The valley at Cwm Dewi is quite unique. It separates a place called Dinas Island from the nearby higher land. This valley was carved out by huge amounts of meltwater. This meltwater came from a giant ice sheet that covered the northern part of Pembrokeshire when it began to thaw. Imagine a huge block of ice melting and the water flowing, shaping the land as it goes!
