Indrayani River is a rain-fed river which originates in Lonavala, one of the hill stations located along the Mumbai-Pune Highway. The river has great religious importance and the two sacred towns Alandi and Dehu are situated on its banks. Dehu is held sacred for the poet Saint Tukaram, a popular saint of Maharashtra and Alandi holds the samadhi of the poet Dnyaneshwar.
Indrayani is rich in marine life. On the Ghats of Indrayani River, in front of the Saint Dnyaneshwar Ghat at Alandi, a coliseum has been constructed to meet the various requirements.
Valvan Dam at Kamshet, situated on the Indrayani River, is a hydroelectric generating station.