The Rock Fort Temple or UcchiPillayarKoil in Trichy, is a combination of two famous 7th century Hindu temples, one dedicated to Lord Ganesh and the other dedicated to Lord Shiva. It is located on top, and carved into a huge rock in Trichy. As per history, the temple was built by Pallavas on a hundred million years old hill in 580 AD. The 83m high rock is said to be one of the oldest in the world, dating over 3 billion years ago, the work to carve out the rock and temple construction took 300 men eleven years of effort. To visit the temple one has to take, up the 437 steps cut into the stone, to the top.
The Rock Fort temple complex in Tiruchirappalli is a collection of three temples – the ManikkaVinayaka temple at the foot of the hill, the UchhiPillayarKoyil at the top of the hill and the TaayumaanavaKoyil (Shivastalam) on the hill.