The loch occupies a basin produced by the overdeepening of the valley by glacial erosion, along an east-west fault line. It is not a sea loch due to isostatic rebound that raised the rock sill at the end of the loch.

Where is the deepest part of Loch Morar?

Deepest: Loch Morar

Pinned to the western Highlands, within sight of Morar and Mallaig, it plunges a full 1017ft (310m – roughly a quarter of the height of Ben Nevis) at its deepest point. No body of water in the British Isles sinks any lower.

Can you swim in Loch Morar?

Some swim areas exist along Loch Morar, but swimmers more often take advantage of the white sand beach areas of the River Moran Estuary west of the village. The primary uses of Loch Morar are nature exploration, hill-walking and fishing. Loch Morar was once noted for its prolific salmon and sea trout.