Neyyar Wild Life Sanctuary, established in the year 1958, is one of the well known natural attractions near Thiruvananthapuram. Situated on the south-eastern side of the Western Ghats, Neyyar Wild Life Sanctuary is home to more than 39 species of mammals, 176 species of birds, 30 species of reptiles, 17 species of amphibians and 40 species of fishes. This sanctuary is also known for its crocodile farm which was set up in the year 2007.A repository of some of the rarest medicinal herbs, the Neyyar Dam located about 32 km from Thiruvananthapuram, is a popular picnic spot with a lake and a picturesque dam site. The lake formed by the dam across the Neyyar River is the bluest of blue, making boating irresistible for tourists.
The Neyyar Wildlife Sanctuary of which the dam is a part is the habitat of over a hundred species of fauna including Asian Elephant, Tiger, Leopard, Slender Loris and reptiles like King Cobra, Travancore Tortoise, etc. A crocodile breeding centre and a lion safari park are also located in the dam site.