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.
Glendun, one of the Glens of Antrim in Northern Ireland
Raven's Craig Glen located in Dalry, North Ayrshire, Scotland
Robert's Glen in Macon, Georgia circa 1877
Glenorchy, in Otago, New Zealand
Glen Coe is a glen of glacial origins that cuts though volcanic rocks in the Highlands of Scotland. It lies in the north of the county of Argyll, close to the border with the historic province of Loch
Glen
…Glencairn, Dumfriesshire Glen Coe, Argyll Glencortas, Fife - from Gaelic gleann + possibly coirthe ("standing stone") + as (locational suffix…
Coire nan Lochan, a corrie of Bidean nam Bian on the southern side of Glen Coe
Glencoe by Hugh William Williams, c. 1825–1829
The steep face of Stob Coire nan Lochan
View from the summit of the Devil's Staircase looking south over the east end of Glen Coe, towards Buachaille Etive Mòr with Creise and Meall a' Bhuiridh beyond