A series of short multi caches taking you around the loch, visiting the site locations of the Clans of Rannoch Trail. The page coordinates start at an information board, with parking nearby.
Unfortunately the Information board is no longer here. Until its replacement, here is the answer for you making this the easiest Multi-cache ever. N 56° 41.739 W 004° 18.461
Check out those colours on the Information Board in front of you.
Cache can be found at N56 4A.X39 /W004 1B.Y61
A = How many colours in war cry minus 1
B = Colour hill (No. letters in the colour) plus 5
X = Colour cattle (No. letters in the colour) plus 2
Y = First colour of war cry (No. letters in the colour) minus 1