Sathyamangalam Forest is a tropical dry forest straddled across three southern states - Tamil Nadu
. Spanning over an area of about 18,000 sq km, this reserved forest is contiguous with the Biligiri Rangaswamy Temple Wildlife Sanctuary
The vegitation includes thorn forest, dry deciduous forest and tropical hill forest types. The height of forest decreases gradually southwards into the arid Coimbatore plains.
Sathyamangalam is home to Asian elephants. The forest receives most of the rainfall during the June-September southwest monsoon.
Many tribal communities including the Mullu Kurumba and Soliga live in this forest. Biligirirangana Hills, Bannari Amman Temple, Bhavani Sagar Dam, Bannari Lake and Biligiri Rangaswamy Temple are some of the important sites in and around the forest.