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Raven's Craig Glen located in Dalry, North Ayrshire, Scotland

A glen is a valley, typically one that is long, deep and often glacially U-shaped, or one with a watercourse running through it. Whittow defines it as a "Scottish term for a deep valley in the Highlands" that is "narrower than a strath".[1] The word is Goidelic in origin: gleann in Irish and Scottish Gaelic, glion in Manx. The designation "glen" also occurs often in place names.



The word is Goidelic in origin: gleann in Irish and Scottish Gaelic, glion in Manx. In Manx, glan is also to be found meaning glen. It is cognate with Welsh glyn.

Examples in Northern England, such as Glenridding, Westmorland or Glendue, near Haltwhistle, Northumberland are thought to derive from the aforementioned Welsh cognate, or another Brythonic equivalent.[2]

As the name of a river, it is thought to derive from the Irish word glan meaning clean, or the Welsh word gleindid meaning purity. An example is the Glens of Antrim in Northern Ireland where nine glens radiate out from the Antrim plateau to the sea along the coast between Ballycastle and Larne.


The designation "glen" also occurs often in place names such as Great Glen and Glenrothes in Scotland; Glendalough, Glen of Aherlow, and Glen of Imaal in Ireland; Glenn Norman in Canada; Glendale and Klamath Glen in California, Glenview in Illinois, and Glenrock in Wyoming; Glenview on the Sunshine Coast, Queensland in Australia, Glen Waverley, Glen Ira, and Glen Huntly in Melbourne, Australia, and Glengowrie in Australia; and Glendowie in Auckland, New Zealand.

In the Finger Lakes region of New York State, the southern ends of Seneca Lake and Cayuga Lake in particular are etched with glens, although in this region the term "glen" refers most frequently to a narrow gorge, as opposed to a wider valley or strath. The steep hills surrounding these lakes are filled with loose shale from glacial moraines. This material has eroded over the past 10,000 years to produce rocky glens (e.g., Watkins Glen and Treman State Parks) and waterfalls (e.g., Taughannock Falls) as rainwater has flowed down toward the lakes below.

See alsoEdit


  1. ^ Whittow, John (1984). Dictionary of Physical Geography. London: Penguin, 1984. ISBN 0-14-051094-X.
  2. ^ "The Brittonic Language in the Old North" (PDF).