Suruli falls, is located 56 km (35 mi) from Theni and 10 km (6.2 mi) from Cumbum in the Theni District in Tamil Nadu, India. It is a 2 stage Cascading water fall. The Suruli River supplying the falls originates from the Meghamalai mountain range. The falls drop from a height of 150 feet (46 m) gathers into a pool, flows for a short distance and again plummets an additional 40 feet (12 m).

The beauty of this falls finds mention in the ancient Tamil epic, Silappathikaram written by the poet Ilango Adigal. Near Suruli Falls are five caves which represent 11th century Indian rock-cut architecture. The Suruli river's water is considered medicinal and curative.

It is one of the major tourist attractions in the Theni district and draws tourists from different parts of the state, particularly during the southwest monsoon. June - October is the best season due to monsoon activity, though there is some flow year round. This falls is tourist friendly with showers and changing area near the falls. There are frequent bus services available from Cumbum and Uthamapalayam to reach this falls on the way to Periyar National Park. The Tamil Nadu Tourism Department celebrates summer festival at Suruli falls every year. Construction of a bridge across the Suruli River at a cost of Rs.45 lakhs has increased tourist flow to the falls significantly.