Hogenakkal Water Falls - famous tourist spot in Tamilnadu. Go to boating, eat fishes and have a oil massage and bath under the falls
Kottai Perumal Kovil (temple). It was built in 9th century.
Malligarjuneshwaraswamy (Lord Shiva) Temple and Perumal Temple. This may be the only place where Perumal is in sitting position with thaayar.
Kumaraswamypet Murugan Temple
Kadagathur Siva Temple (7 km) from Dharmapuri
Waterfalls in Hogenakkal - nice oil bath, boating and try local fried fish (40 km)
Ancient Siva Temple in Teerthamalai (40 km) and many more ancient temples in and around the town.
There is a hill series in the east side of the city, which looks like a lady laying down when watched from a place called Nallampalli. The sunrise from behind this hill is the most beautiful moment in every morning.