Carn na Breabaig is a Graham of 679.2 m in Highland. All four of its nearest neighbours are higher, up to An Socach (Highland, NH100332) at 1,069.6 m.
It sits below Aonach Buidhe, only 2.5 km to the north-west and 221.1 m higher. On the Grahams height ladder it sits between Meall Onfhaidh (679.3 m) and Meall a' Chrathaich (678.9 m). The higher hill nearest to it, Aonach Buidhe, is a Corbett, 2.5 km to the north-west. The highest point is recorded as outcrop, not a cairn.