description Llyn Cau Overview
Llyn Cau is a mountain lake occupying a glacial corrie on the southern side of Cadair Idris in Eryri, northwestern Wales. It lies beneath steep cliffs within a bowl-shaped hollow carved by glacial ice, making it a clear example of a corrie tarn. The lake is encountered on established walking routes toward the Cadair Idris summits and is primarily visited by hikers and people studying upland glacial landscapes.
help Llyn Cau FAQ
Where exactly is Llyn Cau located?
Llyn Cau is a mountain lake situated on the southern side of Cadair Idris in Eryri (Snowdonia), northwestern Wales. It occupies a dramatic glacial corrie, which is a bowl-shaped hollow carved out by glacial ice.
How was Llyn Cau formed?
The lake is a classic corrie tarn, formed by glacial movements that carved steep cliffs into the mountain. Over thousands of years, the retreating ice left behind this deep, bowl-shaped hollow which filled with water.
Can you hike to Llyn Cau?
Yes, Llyn Cau is encountered on established hiking routes up Cadair Idris, one of the most popular mountains in Wales. The trails offer stunning views of the lake's steep cliffs and the surrounding Eryri landscape.
Is Llyn Cau related to the legends of Cadair Idris?
While Cadair Idris itself is steeped in Welsh mythology, Llyn Cau is primarily noted for its striking geological features. However, local folklore sometimes claims that anyone who sleeps on the mountain slopes will awaken either a madman or a poet.
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