Slieve Snaght is a Hewitt of 614.6 m in Donegal. Nothing higher stands within 43.1 km; the nearest higher summit is Muckish (667.1 m), to the west.
The key col lies 19.8 km away to the south, at 15 m. Its closest neighbour in this register, Muckish, is 43.1 km away. Its drop of 600 m is 98% of its height: the col linking it to higher ground is only 15 m above sea level. All four of its nearest neighbours are higher, up to Sawel at 678 m. The summit is marked by a trig point, inside a shelter.