Cwm Idwal is a beautiful hanging valley located in the Glyderau Mountains. It was formed by sediment deposits and glacification taking over million of years, today the site consist of high crags, scree slopes, moraines, rounded rocks and a lake on its floor (Llyn Idwal).
Cwm Idwal is popular with not just hill walkers and rock climbers, but also geologists and naturalists. Due to its uncommonly high altitude and north facing aspect, Cwm Idwal is the most southerly place in Great Britian where Arctic plants such as tufted saxifrage can be found. It is also home to some endemic species not found anywhere else in the world such as the Snowdon lily and the Snowdonia hawkweed.
The valley is also home to the numerous rock climbing sites such as the Idwal Slabs and Twll Ddu (The Devil’s Kitchen).
As a walker, I have regularly visited Cwm Idwal, in all sorts of weather, as not only does is a beautiful place and have several great paths that lead up to higher peaks, but it also is situated next to the A5 and possess a lot of free car park spaces.
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