Llyn Cau
Lake · Llanfihangel-y-Pennant Community ·

Llyn Cau

Lake · Llanfihangel-y-Pennant Community ·

Glacier lake in a mountain crater, perfect for a chilling dip

Llyn Cau by null
4.9 (68)
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Rated 4.9 stars by 68 reviewers
Llyn Cau by Alamy
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null
Llyn Cau by null

Information

Dolgellau LL36 9AJ, UK Get directions

Information

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Dolgellau LL36 9AJ, UK Get directions

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Last updated

Nov 26, 2025

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57 Postcards · 37 Cities

"So you've walked Snowdonia (well done you) and, as a result, turned into a hot, sweaty mess. What to do? Jump into Llyn Cau, the melted glacier slap-bang in the middle of the crater of Cadair Idris, that's what. The 1,150-foot ascent will have you gagging for a chilling dip, even if you're surrounded by freshly fallen snow."

Pattern of hills and trees around lake
The best wild swimming spots in the UK
Alamy
Llyn Cau