The Buck is a Graham of 721.7 m in Aberdeenshire, Moray. Its closest neighbour in this register, Ladylea Hill, is 9.5 km away.
All four of its nearest neighbours lie to the west, so it stands at the eastern edge of its group. On the Grahams height ladder it sits between Meall Mheinnidh (721.8 m) and Beinn Bharrain – Mullach Buidhe (721.4 m). The summit is marked by a trig point.