Thunhisgala/ Kalupahana is a prominent peak of Knuckles massif with 1627m height. It is situated at center of Knuckles area-Kalupahana which was covered with Cardamom estates 30 years ago. The reason for the name Thunhisgala is due to three peaks in climbing. (Thun+His+Gala) (තුන්+හිස්+ගල). Alternative meaning is three ridges meet together to form the mountain.