Mudumalai is one the best national parks of Southern India, and lies adjacent to the Bandipur and Wynad reserves in Kerala and Karnataka. On the foothills of the Nilgiri mountains use a Jeep or a minibus to watch elephants, bisons and tigers (difficult to take unawares), while at the Moyar river, you will find pythons and crocodiles. Visit the park in the heart of the tropical forest between March and June or September to October.