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GCSE Geography · key term
An armchair-shaped mountain hollow with a steep back wall, deep basin and raised lip, formed by glacial erosion.
Used by AQA and Edexcel
Specification 3.1.3.4 · Paper 1
Revise: Glacial Processes and Landforms of ErosionA corrie, also called a cwm or cirque, is an armchair-shaped hollow with a steep back wall, a deep basin and a raised lip at its front. Cwm Idwal in Wales is an example.
Specification 1.12, 1.14 · Paper 1
A deep, armchair-shaped hollow on a mountainside, with a steep back wall and a raised lip, formed by glacial erosion.
In a landform explanation, link each named process to a change in shape: for example, abrasion deepens the corrie floor.
Distinguish a tarn in a corrie from a ribbon lake in an elongated valley basin.
For a formation explanation, link each process to a change in the landform: abrasion deepens the corrie floor, while plucking steepens its back wall.
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A corrie is an armchair-shaped hollow with a steep back wall, a deep basin and a raised lip at its front. Corries begin where snow collects in a mountainside hollow, often on a north-facing slope where less sunlight helps snow survive the summer. Further snowfall accumulates and becomes compressed into glacial ice.
An armchair-shaped hollow eroded by a glacier, with a steep back wall, a basin and a lip.