Geallaig Hill is a Graham of 743.2 m in Aberdeenshire. Its closest neighbour in this register, Mona Gowan, is 8.5 km away.
All four of its nearest neighbours are higher, up to Culardoch at 900.1 m. On the Grahams height ladder it sits between Ben More Coigach (743.4 m) and Beinn nan Eun (743.1 m). Its nearest higher summit, Carn a' Bhacain (744.3 m, 6.2 km north), is a listed top not profiled here. The summit is marked by a trig point, inside a shelter. It falls on two OS 1:50,000 sheets, 37 and 44.