Hosur: A large fort, ascribed to a Capt Hamilton and two other prisoners who were asked by Tipu Sultan to strengthen his forts, is located here. Kottai Mariamman Temple within the fort and Chandrasunderaswarar Temple on a nearby hill are worth visiting. Hosur is also a modern industrial city with several automobile units.
Adhiammankottai: Situated 8 km from Dharmapuri, this ancient site is well known for its fort where several inscriptions are found
Krishnagiri: Once a place of importance, Krishnagiri’s fort is interesting because of the huge boulders that make up its walls, revealing its glorious past. The dam located 10 km from here is a peaceful picnic spot.
Thali: Located 25 km from Hosur, Thali has a fortress abutting a tank.
Theerthamalai Pilgrim Centre: Located 16 km northeast from Hasur.
Hanumantha Thirtham: It is situated in the bank of Pennaiyar, 10 km from Uthangarai and is traditionally associated with Theerthamalai.