The Luni is the largest river in the Thar Desert in Northwest India. It originates in Naga hills of the Pushkar valley of the Aravalli Range, near Ajmer, passes through the southeastern portion of the Thar Desert, and ends in the marshy lands of Rann of Kutch in Gujarat, after travelling a distance of . It is first known as Sagarmati, then after passing Govindgarh, it meets its tributary Sarasvati, which originates from Pushkar Lake and from then on it is called Luni.
In 1892, Maharaja Jaswant Singh II of Jodhpur constructed 0 in Pichiyak village between Bilara and Bhawi of Jodhpur district. It is one of the largest artificial lakes in India and irrigates more than . where high salt content in the soil impacts the river.
Dams and irrigation
The dams in Luni river are: