Moidart is part of the remote and isolated area of Scotland, west of Fort William, known as the Rough Bounds. Moidart itself is almost surrounded by bodies of water. Loch Shiel cuts off the eastern boundary of the district and continues along part of the southern edge. The remainder of the southern edge is cut off by Loch Moidart. The north is cut off by Loch Morar and Loch Ailort.

The Rough Bounds, in the Scottish Highlands, is the area of West Inverness-shire bounded by Loch Hourn, Loch Shiel, and Loch Moidart, consisting of the districts of Knoydart, North Morar, Arisaig and Moidart. The area is famous for its wildness and inaccessibility and remains very sparsely populated.