A wildlife sanctuary and national park lies on the north-western side of the Nilgiri Hills (Blue Mountains), in Nilgiri District, about 150 kilometres (93 mi) north-west of Coimbatore city in Kongu Nadu region of Tamil Nadu. It shares its boundaries with the states of Karnataka and Kerala. The sanctuary is divided into five ranges – Masinagudi, Thepakadu, Mudumalai, Kargudi and Nellakota. It is an important wildlife habitat due to its strategic position as a Wildlife corridor between several other protected areas making an essential part of the Nilgiri Biosphere Reserve. Its north is being crusted with Bandipur National Park and Nagarhole National Park and at its west is the Wayanad Wildlife Sanctuary along the south corner is flourished with Mukurthi National Park and Silent Valley National Park.
This National Park is also termed as Mudumalai Tiger Reserve as it is home to 48 tigers. This protected area is an ideal home to several endangered and vulnerable species nestling Indian elephant, Bengal Tiger, Gaur and Indian Leopard. There is a high diversity of animal life in the sanctuary with about 50 species of fishes, 21 species of amphibians, 34 species of reptiles, 227 species of birds and 55 species of mammals.
Mudumalai is organized with well-planned paths and is best explored by jeep or open vans. Several trails skirt waterholes where exciting animal activity can be watched. Best time to Visit is February to May and September to October. The clear days from late January to early April are rewarding for wildlife enthusiasts. Entry fee: Rs. 15/- per adult. No private vehicle is allowed inside the Sanctuary.