A secondary valley that enters a main valley at an elevation well above the main valley's floor. These features are result of past erosion caused by alpine glaciers. Hanging valleys are often the [..]

A valley whose mouth is high above the floor of the main valley to which it is tributary. Usually, but not always, the result of mountain glaciation.

small valley at a higher elevation than the main large valley. 

a small glacial valley entering a larger one someway up the side of the latter. Created by the differential in erosion between the different sized glaciers that formed the respective valleys.

a tributary valley in a mountainous region, which joins the main valley by a sudden sharp descent caused by glacial erosion.

a small glacial valley that opens above the floor of the main valley

 A high-level tributary valley in glacial areas from which the ground falls sharply to the level of the lower.