Knocklomena is a Hewitt of 641 m in Kerry. It sits below Stumpa Duloigh, only 3.0 km to the north and 141 m higher.
On the Hewitts height ladder it sits between Cush (641.2 m) and Scarr (640 m). Its nearest higher summit, Stumpa Duloigh SE Top (781 m, 2.7 km north), is a listed top not profiled here. The highest point is recorded as rock with metal fence post, not a cairn.