Ribbon lake
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A ribbon lake is a long and very deep, finger-shaped lake, usually found in a glacial trough. As such, a ribbon lake is one of a number of glacial landscapes, including arêtes, corries, rock lips, roc
Windermere in the Lake District
A part of Lake Washington.
Tunnel valley
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A tunnel valley is a U-shaped valley originally cut under the glacial ice near the margin of continental ice sheets such as that now covering Antarctica and formerly covering portions of all continent
New York's Finger Lakes. Lying south of Lake Ontario, the Finger Lakes formed in tunnel valleys.
A figure in Dutch showing the cross-section of a tunnel valley which has been refilled after erosion into bedrock.
A Polish ribbon lake formed in a tunnel valley. Note the variable width and the interruption between segments of the course. There is also evidence of other sediment-filled channels adjacent to this (e.g., two smaller lakes to the right)
Tunnel valley landscape from the island Zealand in Denmark.