It runs west from its junction with the A82 road at Invergarry (), along the north shores of Loch Garry and Loch Cluanie, then down through Glen Shiel and along Loch Duich to Kyle of Lochalsh before crossing the Skye Bridge to Kyleakin, Broadford, and Portree, before terminating at Uig in the north of the Isle of Skye.