- a lake in E Scotland: ruins of a castle in which Mary Queen of Scots was imprisoned.
- a lake in E central Scotland: one of the shallowest of Scottish lochs, with seven islands, on one of which Mary, Queen of Scots was imprisoned (1567–8). Length: 6 km (3.7 miles). Width: 4 km (2.5 miles)
- a sea loch in W Scotland, extending for about 14 km (9 miles) east from Loch Linnhe
