Dharmapuri  
  In Dharmapuri district, one of the Major River Cauvery flows. Hogenakkal is the place for water falls, Boating, Bathing and it is also famous for popular pilgrim centre namely Theerthamalai
   
Hogenakkal  
  Hogenakkal is situated on the border of Karnataka, 46kms from Dharmapuri. One of the major rivers of India and a perennial river of south India the Cauveri flows through and make the soil fertile. The river plays major role in making the states of Karnataka and Tamil Nadu prosper as it passes through. Kudagu in Karnataka is where the Cauveri originates as a small stream and gathers momentum and gets bigger on her way down. It is in Hogenakkal that the Cauveri enters Tamil Nadu as a big river with gushing waters presents a waterfall.

The setting of the descent of the Cauveri at Hogenakkal is panoramic. The name Hogenakkal is derived from Kannada. It means smoky rocks. The gushing force of the water when it falls on the rocks below looks like smoke emanating from the rocks. hoge in kannada means smoke and of kal means rock , the falls and the place were called Hogenakkal.
   
Theerthamalai  
  Theerthamalai is a popular pilgrim centre and it is 16 km’s. from Harur in Dharmapuri district. This pilgrim and picnic centre becoming very popular with the public. The temple situated about one k.m up the steep slope of a hillock derives that its name from the five springs in the temple. Lord Theerthagireeswar (Lord Shiva) is the worshipping deity. According to the legend it was here that Lord Rama worshipped Lord Shiva to absolve himself of the sin of having killed several demons in the war against Ravana. Hence there is belief that a holy dip in the waters of this spring will wipe out the sins committed by the people.