Loch Fleet is a sea loch between Golspie and Dornoch, in Highland, Scotland. It makes the estuary of the River Fleet, which is a small spate river east of Lairg. The loch is good example of a wide tidal basin with sand dunes, coastal heath, mudflats and pinewoods. Otters and seals can be observed, and ospreys and tern fish during summer. On the south part of it the remnants of Skelbo Castle can be observed. Facilities include a parking car area, information panels and guided summer walks by Highland Council Ranger Service.