Croaghanmoira's massif includes the northern subsidiary summit of Croaghanmoira North Top , which has a prominence of , thus qualifying it an Arderin Beg. Immediately to the east of Croaghanmoira is the summit of Ballinacor Mountain , which has a prominence of , thus qualifying it an Arderin. To the west of Croaghanmoira is the summit of Carrickashane Mountain , which has a prominence of , and thus also qualifies as an Arderin.