Shrivardhan fort is one of the two hill forts that constitute the Rajmachi fortification, the other being Manaranjan fort.It is located in Rajmachi village which 8.5 km from Lonavala in the Sahyadris mountain range. At 900 m(3000 feet) above sea level it was the taller of the two peaks. Other than a rampart there is no visible construction. Probably it was used at a watchtower for the Sahyadri region. There are two water tanks at the top of the hill but one of them has an iron pillar in it.