Buxa Duar Fort is located at Buxa Duar
, in the eastern Dooars at a height of 867 m, on the Sinchula Range. It guards the Buxa Duar route, the most important of the eleven routes into Bhutan. The fort was used as a prison for the freedom fighters during the British rule. It has also served as a refugee camp for Tibetans and Bangladeshis.
The deciduous forest around the fort now forms part of the Buxa National Park. Buxa Duar is 60 km from Madarihat.