The Sabarmati basin has a maximum length of 300 km. and maximum width of 105 km. The total catchment area of the basin is 21674 km2 , The length and catchment area of the other given rivers are as follows: Mahi: 330 km, 34,842 km2 ; Cauvery: 560 km; 81,155 km2 ; Pennar: 433 km, 55,213 km2.