Tiruvannamalai railway station is an NSG–5 category Indian railway station in Tiruchirappalli railway division of Southern Railway zone. It is a station of the Indian Railways system, station code TNM. It serves the city of Tiruvannamalai in the Indian state of Tamil Nadu. The most notable place is the Annamalaiyar Temple. Being built in the 700 AD, the station close to the temple.