Glen vs. Vale — What's the Difference?

A glen is a valley, typically one that is long and bounded by gently sloped concave sides, unlike a ravine, which is deep and bounded by steep slopes. Whittow defines it as a "Scottish term for a deep valley in the Highlands" that is "narrower than a strath".

A valley (used in place names or as a poetic term)

A narrow valley, especially in Scotland or Ireland.

A written or spoken farewell.

A small, secluded valley.

Farewell.

A secluded and narrow valley, especially one with a river running through it; a dale; a depression between hills.

A valley, often coursed by a stream; a dale.

A secluded and narrow valley; a dale; a depression between hills.

A valley.

A narrow secluded valley (in the mountains)

Farewell.

A tract of low ground, or of land between hills; a valley.

See 2d Vail, 3.

A long depression in the surface of the land that usually contains a river