Melamchi River (Nepali: मेलम्चि खोला) is a tributary of the Indrawati River. It originates from the Jugal Himal at an elevation of about 5,875 m (19,275 ft) above sea level. It joins the Indrawati River at Melamchi Bazaar.
The Melamchi River is 41 km (25 mi) long and has a catchment area of 330 km2 (130 sq mi) up to the confluence. The river flows southwards and widens downstream.[1]
The mean annual flow is 9.7 m3/s. The maximum flow is 289 m3/s.