Binnein Beag is a Munro of 941.5 m in Highland. All four of its nearest neighbours are higher, up to Binnein Mor at 1,129.4 m.
It sits below Binnein Mor, only 1.7 km to the south-west and 187.9 m higher. On the Munros height ladder it sits between An Socach (Aberdeenshire) (942.8 m) and Beinn a' Chroin (941.4 m). The key col is close by, only 0.5 km to the south-west at 744.9 m.