Ben Lugmore (, meaning peak of the big hollow) at is the 29th-highest peak in Ireland on the Arderin scale, and the 37th-highest peak on the Vandeleur-Lynam scale. It is in a horseshoe-shaped massif that includes the slightly higher peak of Mweelrea at , the highest mountain in the Irish province of Connacht. The massif is between Killary Harbour and Doo Lough, in Mayo.