[1] There was a tower on an island in Yetholm Loch which could be reached via a causeway.
The tower was destroyed by the Earl of Surrey on the night of 17 May 1523.
[2] The loch lies in a crescent-shaped valley, at the edge of the Cheviot Hills.
[3] The southern end of the loch is swamp, but it gradually gives way to fen and willow scrub.
This article about a Site of Special Scientific Interest in Scotland is a stub.