Scotland is as known for its glens as it for its bens. The word glen comes from the Gaelic and means a steep-sided valley – most of them were carved by glaciers during the last Ice Age; the word strath usually denotes a broader, wider valley. We pick out 16 of our favourite Highland glens, whether for their stunning landscapes, flourishing wildlife or wildness and isolation. Glen Clova, Angus Angus is a region where the glens are perhaps better known than the mountains around them. Glen Esk is the longest and a real gem with a great variety of scenery,…