Thane is located on Salsette Island to the Northeast of Mumbai. Spanning an area of about 147 km², the city is located at an elevation of 7 meters above sea level.
It is surrounded by scenic hills, the hill of Yeoor and Parsik Hill. It is divided by Thane Creek, a stream of water from the Ulhas river and Arabian Sea forming an estuary.
Two road bridges & one rail bridge connect the two parts of the city.It is one of the oldest cities of India with its history dating back to about 2000 years.
The city has around 30 lakes. The most beautiful of them is the Masunda Talao, also known as Talao Pali. The lake offers boating and water scooter facilities. The Upavan Lake is located at the foot-hills of Yeoor hills and is a scenic spot. It is flanked by the Yeoor hills on one side and the tall Neelkanth Heights on one side. It is a common spot for people to hang out and refresh themselves.
Other lakes include : • Masunda Lake • Kachrali Lake (near parmartha niketan) • Makhmali Lake • Ambe Ghonsali Lake • Siddheshwar Lake • Jail Lake • Wagle Lake • Upvan Lake • Yashasvi Nagar Lake • Kausa Lake • Kharegaon Lake • Raila Devi Lake • Balkum Lake • Rewale Lake • Bramhala-Kolbad Lake.