At Trichy, the Rock Fort complex comprises of fort and temple built on an ancient rock. This is an important landmark in the city and visible from anywhere. This 83 meter rock is one of the oldest which is approximately 3800 million years.
The main attraction is not the fort of which only very little still remains. Only Main Gate of the fort is still intact. The actual center of attraction here is the temple at the summit. There are approximately 350 steps that lead to the Ganesha temple popularly known as Ucchi Pillayar Temple on the summit.
Other oldest structure in the fort is a cave temple known as Thayumaanavar Temple built by Pallavas in 580 AD. This temple of Lord Shiva is on the way to summit. In the first image one can see the Ucchi Pillayar Temple at the top, while in the second image the the top of Shiva temple which is on the way to summit.