Jaldhaka River, also called De-chu, is one of the trans-boundary rivers, which originates from the
Himalayas of southeast
Sikkim and flows through
Jalpaiguri,
Coochbehar, Muthabhana,
Samsing and
Jhalong (Jaldhaka) in
West Bengal. It is one of the tributaries of the Teesta River and marks the India – Bhutan border. At Muthabhana, this river flows above danger level.