Carn Salachaidh is a Graham of 648 m in Highland. All four of its nearest neighbours are higher, up to Carn Chuinneag at 838.7 m.
It sits below Carn Chuinneag, only 5.4 km to the south-west and 190.7 m higher. All four of its nearest neighbours lie to the south, so it stands at the northern edge of its group. It is the lowest of the ten register hills in the Loch Vaich to Moray Firth region, where Ben Wyvis – Glas Leathad Mor is highest. Its nearest higher summit, Carn Maire (739 m, 4.7 km south-west), is a listed top not profiled here. It is 217.7 m below the average height of the 427 register hills in Highland. The highest point is recorded as large granite boulder, not a cairn.
