The Dhur is a river in the district (Dzongkhag) of Bumthang in the northeast of Bhutan. It is a headstream of the . The Dhur is about 25 km long, then it flows together with the Ramling forming the . Several hot springs are found on its estuary. The region around the Dhur is mostly a coniferous forest wherein grows Pinus wallichiana. The area is known for its remarkably rich . Many plants are endemic to the narrow river valley, such as Lilium sherriffiae, a rare type of lily; a rare type of pedicularis, called Pedicularis dhurensis, was named after the river.