Sanjay Gandhi National Park spreads over an area of 104 square kilometers and houses rich flora and fauna. The old name of the park was Borivali National Park. Kanheri Caves are located in the center of the park and these places are pilgrimage sites of Buddhists in ancient India.

The park houses more than 40 species of mammals, 1000 species of plants, 250 species of birds and 50,000 species of insects. Some of the plants found here are kadamba, teak, karanj, euphorbia, red silk cotton, karvy, shisam, acacia, ziziphus, euphorbia, etc. Karvy is a rare species that flowers once in seven years.

The animal resources of the forest are leopard, sambar deer, Indian flying fox, chital, gray langur, hyena, bamboo pit viper, monitor lizards, cobras, pythons and the birds found here are jungle owlets, minivets, magpies, robins, bulbuls, sunbirds, peacock, woodpeckers, swifts, drongos, kingfishers, herons, etc.

There is a mini zoo and a crocodile park within the park and there is a narrow train called Vanrani toy train to take the tourists around the areas of rich biodiversity. You can also climb one of the two watchtowers here to have the view of the panoramic scenes. Other attractions of the park are lion safari and tiger safari. There are also many public walking trails in the park namely Shilonda Trail, Malad Trail and Yeoor Trail and they are good places for trekkers.