. . . and an interesting entry in the bothy book by Iain MacKay of Pait (see Isolation Shepherd by Iain R Thomson).
In an Angus glen. 10/94 ~ Don't know if it's generally unlocked, but it was when I passed it, on the way to another bothy on the other side of the hill . . .
. . . this one in fact, on a lonely Angus moor . . . 10/94
