The Rock Fort Ganapathi Temple also known as the is situated at an 83 m tall rock. This rock is said to be the oldest rock in the world dating back to 3800 million years. This temple is a combination of the two famous Hindu Temples of the 7th century that were devoted to Lord Shiva and Lord Ganesha. The temple has to be reached by climbing about 344 steps.
There is also a tank placed at the rock fort foot of this temple. This tank is flocked by people during the float festivals held in the place. Robert Clive used to live adjacent to this tank. The rock fort of this temple is considered to be 2 billion years old and to have made a large contribution in the laying down of British Empire in India. The fort is built by materials like quartz and feldspar.
Apart from this rock fort, the main complex of the temple consists of two parts; the Thayumanaswamy, which is dedicated to Lord Shiva and the Pillayar, which is dedicated to Lord Ganesha. The Shiva temple is the larger one and comprises of a large stone statue of Shiva in the form of Lingam. The rock architecture of the temple is also quite an attraction.