Valley

A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over a very long period. Some valleys are formed through erosion by glacial ice.

These glaciers may remain present in valleys in high mountains or polar areas.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

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Every entry, image, fact, and figure is drawn from Wikipedia and Wikimedia Commons, used under public-domain and Creative Commons licenses. No content is AI-generated.