A hill in the northwest of Mull in the Inner Hebrides, Carn Mor rises to 343m (1125 feet) 2¼ miles (3.5 km) north of Kilninian and 2½ miles (4 km) southwest of Dervaig. Carn Mor forms a crescent-shaped ridge with Carn Beag to the northwest together with Beinn an Lochain and Cruachan Odhar to the southwest.