The western extremity of the park is contiguous with the Manjampatti Valley core area of the Indira Gandhi Wildlife Sanctuary and National Park and with The Chinnar Wildlife Sanctuary in Kerala.
The park area includes only reserve forest land, including Palni Hills Northern Slope East, Kallar, Palni Hills Southern Slope East, Upper Palni Shola, Allinagaram, and Palni Hills Northern Slope West Reserve Forests in the Dindigul[REF] and Kodaikanal Forest Divisions [REF].