A renowned spiritual center, Thiruvannamalai houses the Arunachala temple and the
of the mystic saint Sri Ramana Maharshi. Historically, the place witnessed several battles from the beginning of 15th century up to the end of the Mysore wars. Thiruvannamalai is the headquarters of
and is located 80 km south of
. The town of Villupuram lies 70 km northeast of Thiruvannamalai.
Thiruvannamalai is an important railway station on the Katpadi-Villupuram meter gauge line.