Tarn (lake) - Wikipedia, the free encyclopedia

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Tarn (lake) - Wikipedia, the free encyclopedia



Triad Lake in Glacier Peak Wilderness (click picture for wiki page and image credits)

A tarn (or corrie loch) is a mountain lake or pool, formed in a corrie excavated by a glacier. A moraine may form a natural dam below a tarn. (A corrie may be called a cirque.)


More images of tarns here. via Google image search

This is a page with a picture and a map showing the steep back wall (notice that the contours are very close together).

See the definition of a cirque from the Illustrated Glossary of Alpine Glacial Landforms

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