Tulsi Lake

Tulsi Lake is a fresh water lake in northern Mumbai. It is stated to be the second largest lake in Mumbai and supplies part of the city's potable water. This is one of the three lakes located in the Salsette Island; the other two being Powai Lake and Vihar Lake.

Both Tulsi lake and Vihar lake are located within the densely forested Sanjay Gandhi National Park or also known popularly as the Borivali National Park.

Source: Wikipedia