This area also abounds in cinchona plantation, which was introduced in the region by the British as a source of quinine used for the treatment of malaria.

[1] An attraction for tourists visiting Sillery Gaon is Sangchen Dorjee Monastery, which was built during the Bhutanese rule in Pedong.

Physiographically, this area forms the Kalimpong Range, with the average elevation varying from 300 to 3,000 metres (980 to 9,840 ft).

This region is characterized by abruptly rising hills and numerous small streams.

While Kalimpong is the only municipality, Dungra is the sole census town in the entire area.