Sabarmati River
- The Sabarmati is the name given to the combined streams the Sabar and Hathmati.
- The Sabarmati basin extends over states of Rajasthan and Gujarat.
- The basin is bounded by Aravalli hills on the north and north-east, by Rann of Kutch on the west and by Gulf of Khambhat on the south.
- Sabarmati originates from Aravalli hills near village Tepur, in Udaipur district of Rajasthan. The total length of the river from origin to outfall into the Arabian Sea is 371 km.
- Gandhinagar and Ahmedabad are the important urban centres in the basin.
Mahi River
- The Mahi basin extends over states of Madhya Pradesh, Rajasthan and Gujarat.
- It is bounded by Aravalli hills on the north and the north-west, by Malwa Plateau on the east, by the Vindhyas on the south and by the Gulf of Khambhat on the west.
- It originates from the northern slopes of Vindhyas at an altitude of 500 m in Dhar district of Madhya Pradesh. The total length of the river from origin to outfall into the Arabian Sea is 583 km.
- Vadodara is the only important urban centre in the basin.
Luni River
- The Luni or the Salt River (Lonari in Sanskrit) is named so because its water is brackish below Balotra.
- Luni originates from western slopes of the Aravalli ranges near Ajmer flowing in South West direction and traversing a course of 511 km in Rajasthan; it finally flows into the Rann of Kachchh (it gets lost in the marsh).