The mountain is named after a small lake called Loch an Dúloigh or Lough Duff.[4] The mountain's alternative name Maol means "bare flat-topped hill". It is reflected in placenames on its slopes: Coimín na Maoile, Loch na Maoile (Lough Namweela), and An Mhaol Ghlas (Moyleglass).[5]
Geography
The mountain lies northwest of Knockaunanattin (569 m). West of Stumpa Dúloigh the Dunkerron range splits in two parts: the NE one leads to Broaghnabinnia (745 m) while the SE sub-range reaches Knocknabreeda (569 m). With an elevation of 784 metres it is the 55th highest summit in Ireland.
View from Stumpa Dúloigh's summit, in the foreground lies Lough Duff and directly behind is situated Broaghnabinnia mountain. Looking to the right into the Black Valley. In the background can be viewed the MacGillycuddy's Reeks.
Access to the summit
Stumpa Dúloigh's summit can be accessed from the end of the Black Valley; it is a 6 hours' walk (there and back) suitable only for experienced hikers.[1]