Glen vs. Glade — 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".

An open space in a wood or forest

A narrow valley, especially in Scotland or Ireland.

An open space in a forest.

A small, secluded valley.

A tract of marshland.

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

An open passage through a wood; a grassy open or cleared space in a forest.

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

(colloquial) An everglade.

A narrow secluded valley (in the mountains)

An open space in the ice on a river or lake.

A bright surface of ice or snow.

(obsolete) A gleam of light.

(obsolete) A bright patch of sky; the bright space between clouds.

An open passage through a wood; a grassy open or cleared space in a forest.

An everglade.

An opening in the ice of rivers or lakes, or a place left unfrozen; also, smooth ice.

A tract of land with few or no trees in the middle of a wooded area