The range stretches from Strabane and Mullaghcarn in the west, to Slieve Gallion and the Glenshane Pass in the east, in the counties of Tyrone and Londonderry.

The Glenshane Pass, part of the A6 Belfast to Derry road, is in the mountains and has notoriously bad weather in winter.

The Mountains are very sparsely populated and provide habitat for a diverse range of birds and mammals.

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