Shendurney Wildlife Sanctuary Established in 1984 is situated on either side of the Parappar reservoir and is the only sanctuary in the Kollam district.. The sanctuary covers a total area of 171 sq kms and is acclaimed the world over for its bio-diversity true art of nature . The Parappar dam has been built across the Shendurney River where it joins with Kulathupuzha river and Kalthuruttiar at Thenmala and serves the purpose of irrigation in Kollam and Pathanamthitta districts. The lake covers a total area of 13.72 sq kms. The mean temperature during summer is 35 degree centigrade and during winters it around 16 degree centigrade, with the annual rainfall is approximately 3200 mm. The terrain here is rugged with gentle to steep slopes ranging between 90m to 1550m. The tourist season is during the cooler months from October to March.