Ben Macdui is a Munro of 1,309.3 m in Aberdeenshire, Moray. It is the highest of the 7 register hills recorded in Aberdeenshire, Moray; the next is Beinn a' Bhuird at 1,196 m, 113.3 m lower.
Nothing higher stands within 86.5 km; the nearest higher summit is Ben Nevis (1,344.5 m), to the west. Its drop of 950 m is the 9th greatest of the 1,140 hills here. Only one of the register's Scotland hills is higher. It is also on the county tops list, as the highest point of its historic county. In the database's Cairngorms region it is the highest of 16 register hills, above Braeriach and 14 others. The key col lies 38.5 km away to the west, at 359 m. It is the 2nd highest Munro. Its drop is the 7th greatest among the Munros, behind Ben Nevis at the top. It overtops all four of its nearest neighbours; the tallest of them, Braeriach, reaches 1,295.5 m.
