Beinn Sgritheall consists of a narrow, curved crest running parallel to the north shore of Loch Hourn from which several ridges extend. The south face of the mountain rises nearly , from the level of Loch Hourn to its summit, in . It has three tops: the summit (), a Middle Top (also 974 metres) and an East Top (). The upper parts of its west face consist of crags and scree. The north and eastern part of the mountain contain a number of remote corries. Two ridges run north-east from the summit with one curving north-west to enclose a high corrie. A third ridge runs west to Creag an Taghain, a crag above the forest of Coille Mhialairigh.