Aonach Mor is a Munro of 1,220.4 m in Highland. Only eight of the register's Scotland hills are higher.
It is a Munro but not a Marilyn: its 133 m of drop is short of 150 m. It is 354.7 m above the average height of the 427 register hills in Highland. Its nearest higher summit, Aonach Beag, is also the hill its key col leads to. The database describes the top as a large cairn.