The hills form a roughly southwest–northeast rectangular shape and cover a considerable area, however the ridges within the range do not follow a common direction.
This can be shortened to head back at Holm Nick, passing by the Coulter reservoir.
[1] Another popular option is to begin from Glenkirk farm to the east, also allowing for a circular route.
In a roughly clockwise direction, the hills in the range over 2000 ft are: The area is popular with gamekeepers as well as pastoral farming and it is advised to be observant when walking nearby from spring to late summer and heed the warnings of any landowners.
The word may derive from Scottish Gaelic cùl tir (back land) or Scots cootyre (safe place to store cows).