Binnein Beag is a Scottish mountain situated at the eastern end of the Mamores range seven kilometres north north-east of Kinlochleven. It is a relatively small, conical peak which is connected to its larger neighbour, Binnein Mòr, by a bealach at 750m. Despite being overshadowed by Binnein Mòr, it is listed as a Munro with a height of 943 m (3094 ft). It is commonly climbed from Kinlochleven in combination with Binnein Mòr.