Cwm Idwal

Glacial valley in Snowdonia, Wales

Cwm Idwal is a cirque in the Glyderau range of mountains in northern Snowdonia, the national park in the mountainous region of North Wales. Its main interest is to hill walkers and rock climbers, but it is also of interest to geologists and naturalists, given its combination of altitude, aspect (north-facing) and terrain. In a 2005 poll conducted by Radio Times, Cwm Idwal was ranked the 7th greatest natural wonder in Britain.

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