Habiganj

Established in 1982 and expanded in 1996 to about 1,795 hectares, this sanctuary near the Indian Tripura border in Chunarughat holds 37 mammal species, 167 bird species and 638 plant species — including capped langur, hoolock gibbon and hill myna. It comprises four beats of the Kalenga Forest Range: Kalenga, Rema, Chanbari and Rashidpur.

A 243-hectare national park established in 2005 on the Raghunandan hill near the Indian border in Chunarughat upazila. Wildlife includes the critically endangered western hoolock gibbon along with Phayre's leaf monkey, capped langur, and birds such as the red-headed trogon. Nine tea gardens surround the park, which sits about 130 km from Dhaka.