Croaghanmoira Mountain is a Hewitt of 662.3 m in Wicklow. Its closest neighbour in this register, Lugnaquillia Mountain, is 8.5 km away.
It sits below Lugnaquillia Mountain, only 8.5 km to the north-west and 262.4 m higher. It is one of only four register hills in the Wicklow Hills S region, with Lugnaquillia Mountain, Keadeen Mountain and Croghan Mountain. It shares its height of 662.3 m with Carrock Fell. On the Hewitts height ladder it sits between Carrock Fell (662.3 m) and Nine Standards Rigg (661.9 m). Its nearest higher summit, Cloghernagh (800 m, 6.8 km north-west), is a listed top not profiled here.