Cahergall is a stone ringfort and National Monument located in County Kerry, Ireland. Cahergall is located immediately southeast of Leacanabuaile, 2.7 km (1.7 mi) northwest of Cahirciveen. The cashel was built around the 7th century AD as a defended farmstead. This is a circular stone ringfort (caiseal) of internal diameter 25 m (82 ft) with outer walls 4 m (13 ft) high and 5 m (16 ft) thick.