Tumkur forest division is situated in the south-eastern sector of Karnataka. The limits of Tumkur division are the same as those of Tumkur district. The total extent of forest land in the division is 1,29,167 hectares which constitute about 12.19 of the geographical area of the division (10,597 Km²). The division has three sub-divisions, namely, Tumkur, Tiptur and Madhugiri sub-divisions, and consists of ten ranges, namely, Bukkapatna, Chikkanayakanahalli, Gubbi, Huliyurdurga, Koratagere, Madhugiri, Pavagada, Sira, Tiptur and Tumkur ranges. The forests of the division vary from dry mixed deciduous to thorny scrub type. Bukkapatna, Chikkanayakanahalli, Gubbi, Korategere and Tumkur ranges have forest blocks with relatively better stocking and more diversity of species. The eastern portion of the division has poorer forests due to scanty rainfall, and they exhibit lesser diversity of species. In the eastern most parts of the division the forests are scrubby with more of thorny elements and often covered with bare boulders. Tumkur division has a number of protected areas: Mydhannahalli (Jayamangali) Black Buck Conservation Reserve (2007), Thimlapura Wildlife Sanctuary (2016), Thimlapura Conservation Reserve (2016) and Bukkapatna Wildlife Sanctuary (2019). Forests of Tumkur division are also well known for medicinal plants. The hill ranges of Devarayanadurga (Tumkur range) and Siddarabetta (Korategere range) are traditionally known for harboring varieties of medicinal plants.