Ponmalai is a rock situated 4 km from Tiruchirapalli. It is about 140 ft high. It is named Ponmalai after the Poneswari Amman Temple, which is located on this rock. A Muruga temple and the Zindha Sha Madarsha Dargah are located here. Nearby attractions include the St Joseph's Church.
The British army used it as a vantage point. They built five large water tanks here in 1927. A Railway workshop is situated on the eastern side of Ponmalai. The Central Jail, where many noted freedom fighters had been jailed, is situated on the western side of Ponmalai.
Tiruchirapalli Airport is the nearest airport. Ponmalai Golden Rock Railway Station is located near Ponmalai.