Cnoc na gCapall is a Hewitt of 639 m in Kerry. All four of its nearest neighbours are higher, up to Knocknapeasta at 985.1 m.
It is the lowest of the eight register hills in the Iveragh Peninsula S region, where Stumpa Duloigh is highest. On the Hewitts height ladder it sits between Yarlside (639.2 m) and Grey Crag (638 m).