Tags: Mountain Range.
The Blue Stack Mountains or Bluestack Mountains also called the Croaghgorms (Irish: na Cruacha Gorma meaning the blue stacks) are the major mountain range in the south of County Donegal Ireland. They provide a barrier between the south of the county such as Donegal Town and Ballyshannon and the towns to the north and west such as Dungloe and Letterkenny.