Banganga Tank, situated on South Mumbai, forms a part of the temple complex of Walkeshwar. Constructed by the rulers of the Silhara dynasty, the tank dates back to the 12th century. However, it got worn down because of the ravages of time and was reconstructed in the year 1715.
The construction of the Banganga Tank was financed out of the donation provided for the Walkeshwar Temple by Rama Kamath. The source of the tank comprises of a spring, which keeps it replenished throughout the year.