Loch Druidibeag is a freshwater loch situated on the island of South Uist, in the Outer Hebrides of Scotland. The loch is near the northern end of the island, to the north-east of Howmore and to the east of the A865 road and south of the B890.
The loch is a Site of Special Scientific Interest and a Ramsar site, and forms part of the South Uist Machair Special Area of Conservation and the South Uist Machair and Lochs Special Protection Area. Loch Druidibeg was designated as a National Nature Reserve, but was de-declared in 2012. The loch was also formerly a biosphere reserve, being so-designated in 1976, but this status was withdrawn in 2013. The local planning authority is Comhairle nan Eilean Siar.
Address HS8 5, United Kingdom
Coordinates 57°19'31.522" N -7°21'17.403" E