Sathanur Dam is one of the Major Dam Constructed across Pennaiyar River. The dam can be reached by road 30 km from Thiruvannamalai Town. This Dam was constructed during the year 1958.

Beautiful garden with colourful statues, lawn and swimming pool are maintained inside the dam to enjoy the tourist during the visit to dam. A large Crocodile farm and a fish grotta are maintained here to know the life of Crocodile and fish culture.