The best chances of viewing wildlife are during boat rides on the Periyar Lake. The reservoir has many creeks, promontories and islets serving as habitats for wildlife. The hills around the lake provide food for elephants, gaur and sambar. Sighting herds of elephants is quite frequent during boat rides. The boats are run either by the Forest Department or the Kerala Tourism Development Corporation (KTDC). The number of trips are limited, book in advance.