Situated in the Agasthyamalai hill ranges in the south of the Western Ghats, in Nedumangad and Neyyatinkara Taluks of Thiruvananthapuram district, Neyyar is a popular picnic spot. The Neyyar wildlife sanctuary established in 1958 is located at the foot of the Western Ghats, 30km east of Thiruvananthapuram. It is spread over an area of 128km. The landscape is hilly and wooded. Wildlife is represented here by wild elephants, Sambhar , Jungle cat, Gaur, Niligiri langur and the Niligiri ahr.
Tigers and Leopards have also been sighted up. Besides there is a large population of crocodiles and otters . A crocodile farm was set in 1977. Gardens near the dam are decorated with larger then life statues. Boats can be hired to view deer and other wildlife on an island in the reservoir area of the dam.
The sanctuary has a wide variety of vegetation and landscape, ranging from tropical wet evergreen forest to grasslands. The best way to explore the sanctuary is by boat. Climate conditions are moderately hot and humid, and hottest in March and April.
The enchanting Agastyagoodam mountains in this area provide an opportunity for hiking, trekking and mountaineering. The Agasthyagoodam hill range features prominently in legends and Hindu mythology. The Range takes its name from Agasthya, an ascetic, who is reputed to have performed penance in the area. On the upper reaches of the Neyyar reservoir there are two magnificent waterfalls; Meenmutty and Kombaikani waterfalls.
Accommodation is available at the Forest Department Inspection Bungalow and Irrigation Department dormitory. The sanctuary is accessible by boat, jeep or on foot up to Kottur Dry Stock Farm and Amboori, beyond which access is limited to boats.