Gadsisar Tank is situated south of the city walls of Jaisalmer. It was once the main source of water supply to the city and is surrounded by small temples and shrines. It looks quite beautiful with its elaborate arched way and calm waters. Winters are even chirpier with a variety of water birds that flock here and there. An interesting legend finds its place in the construction of the beautiful arched gate.

It is said that a beautiful and renowned courtesan offered Maharaja to pay for its construction. However, Maharaja considered it derogatory to take money from a prostitute and let the gateway be built with it, more so, the one through which he would have to pass every time he goes to the tank and comes back. He refused the offer. The offended lady waited for her opportunity and when Maharaja went out of the city, she got the gateway built and crowned it with a Krishna temple, so that the king could not break it, when he came back.