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| Hanging valleys form in mountain ranges when a glacier erodes a part of the mountain at a faster or slower rate than at other places on the mountains. Hanging valleys are found mostly toward the top of the mountain. A glacier moves from the top of a mountain to the bottom by following old dried up river beds. Hanging glaciers usually form near streams that are part of the mountains river drainage system. | ||||||||
| Sometimes after a glacier has melted away a waterfall will flow over the hanging valley. | ||||||||