itigala is an ancient Buddhist monastery and mountain in Sri Lanka. The ruins and rock inscriptions of the monastery date back to 1st century BCE. 

Ritigala mountain range consists of four peaks of which the main and the highest peak at the south of the range is named Ritigala Kanda. Ritigala mountain range, a 1,528 ha (3,780 acres) Strict Nature Reserve, in the Dry Zone of Sri Lanka, is managed by the Department of Wildlife of Sri Lanka together with the Forest Department of Sri Lanka.

The ruins of Ritigala monastery are located on the eastern side of the mountain at the foot of the gorge which separates the main peak from the northern ridge of the range. The ruins cover an area of 24 hectares (59 acres). (Wiki)