Luni River
River, Rajasthan state, western India. Rising in the western Aravalli Range, where it is known as the Sagarmati, it flows southwest and enters a patch of desert before dissipating into the Rann of Kachchh, after a total course of 330 mi (530 km). Its Sanskrit name is Lavanavari ("Salt River"), referring to its high salinity. The major river in the region, it serves as a source of irrigation.