It is almost surrounded by hills in all directions; mainly
Kalrayan Hills in the East and
Shevaroy Hills in the west. Vaniyar Dam, one of the big dams in Dharmapuri district is located at 5 km from Pappireddipatti, built in the foothills of
Shevaroy Hills across the Vaniyar river a major tributary of
Ponnaiyar River. The Dam has a capacity to hold 418 mcft water with a depth of 65 ft and connected to the lakes of Venkatasamuthram, Aalapuram, Onthiampatti,
Thenkaraikottai and Parayapatti via channels. There is small park and officer's quarters available near the dam. The dam is scenic and people can reach
Yercaud by a long walk through the Shrevarayan forest. The dam receives water from its catchment area in Shevaroy Hills. Water will be flowing to the dam only during
Monsoon season and remains dry if monsoon fails. During 29 November 2010, water level of the dam reached 64.29 ft against its full depth of 65 feet.
Climate Pappireddipatti has a
Warm and Dry climate (
Köppen), with
monsoonal influences typical of India. The town's yearly rainfall average stands at . A maximum rainfall of was recorded in the rainfall station situated at
Chitteri during 1991. Pappireddipatti area is drained by Vaniyar river system by its tributaries like Kallar, Veppadi aaru and Krukkampatti aaru.
Geology Pappireddipatti area is covered by
hard Crystalline rock. Ground water level ranges from to during winter and to during summer. Hydrological soil group 'D' with slow rate of infiltration covers more than half of this area. ==Demographics==