The Mudumalai sanctuary lies on the northern and north-western side of the Nilgiri (Blue Mountains), about 80 km north-west of Coimbatore in the extreme north-western corner of Tamil Nadu, on the interstate boundaries with Karnataka and Kerala states in southern India.
The park was created in 1940 to become the first sanctuary in southern India. The site is part of the Nilgiri Biosphere Reserve.
Originally 60 square kilometres, the sanctuary was enlarged to 295 km² in 1956 and subsequently to its present size of 321 km². The sanctuary is contiguous with Bandipur National Park (874 km²), Wynad Sanctuary (344 km²), Sigur and Singara reserve forests.
Accommodation in Mudumalai includes a forest rest house and guest houses at Masinagudi, and guest houses at Kargudi, Abhayaranyam and Theppakkadu. Accommodation in the forest rest house and guest houses may be reserved by writing to the Wildlife Warden, Mudumalai Sanctuary, Udhagamandalam, Tamil Nadu, India.
There is a cottage after crossing Kargudi and Mudumalai check posts on Ooty road. Bookings can be made from www.wildlifesanctuaryindia.com .Jungle home offers clean, comfortable accomdation at reasonable rates. It is located at the crucial elephant habitat zone. Elephants can be spotted very easily in this region. Trekking, Birdwatching and Fishing are conducted.
The nearest airport is at Coimbatore (84km) and the closest railhead at Udhagamandalam (64km). The park is most conveniently accessible by road from Mysore on the Mysore-Ooty highway.