Topographically, the range is partnered with the Maumturks range to the east of the Inagh valley (a Western Way route); and both share a common geology being largely composed of metamorphic marine rocks, being predominantly resistant quartzite but with deposits of schists in the valleys (known as Connemara Dalradian rocks). The highest point is Benbaun at . The range is a popular location for hill-walking activities with the 16-kilometre 8-9 hour Glencoaghan Horseshoe (Irish: Gleann Chóchan), considered one of the best ridge-walks in Ireland.