Ben Lui (Scottish Gaelic: Beinn Laoigh) is a mountain in the southern Highlands of Scotland. It is a Munro with a height of 1,130 metres (3,710 ft). Ben Lui is in northeast Argyll and is the highest peak of a mountain chain that includes three other Munros. It has five well-defined ridges radiating out from the summit. Four corries lie between the ridges, including Coire Gaothaich on the northeast side of the mountain.