The A832 road runs through the glen, which runs between the peaks of Càrn a' Ghlinne (539 metres (1,768 ft)) to the north and Carn Loisgte (446 metres (1,463 ft)) to the south. Until recently this was a single track road with passing places, but 5.8 kilometres (3.6 mi) of the road has now been upgraded to double track.
Volcanic activity in this region ceased about 50 million years ago, after which the landscape was shaped by glaciation from about 1.8 million years ago to the end of the Great Ice Age about 10,000 years ago. The U-shaped glen of Glen Docherty is typical of a glen formed by the action of glaciers.
- "Road upgrade is miles better" (pdf). in focus, Newsletter of the Highlands and Islands Partnership Programme, p.4. Autumn 2004. Archived from the original on 12 October 2006. Retrieved 20 January 2007.
- Prof. Peter Maguire (2005). "The Geology of Loch Ewe". Gairloch and Loch Ewe Action Forum. Retrieved 19 January 2007.
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