From our research it appears there are at least 4 Clach's in Scotland, 3 being in Aberdeenshire. It is believed the Stone near Eassgach , Brown Cow Hill and the Vannich is the one referenced in the books.
4 Identified locations, 3 Aberdeenshire, 1 in..
- Near Brown Cow Hill – a Stone on a hill, see Tab titled 'Introduction'
- Near Ben Avon – a Stone on a spur on a mountain
- Near Tornahaish – a Stone on a Hill - also has an interesting coincidence in elevation and contours with Brown Cow Hill
- Near Argyle in... – a Stone on a Hill, or mountain
a. Near Brown Cow Hill – a Stone on a hill,
A summit of W Aberdeenshire, Clach Choutsaich rises to 718m (2355 feet) on the northern flank of Brown Cow Hill, 3 miles (5 km) west southwest of Corgarff Castle.