Thenmala ecotourism Indias first planned Ecotourism destination in the foothills of Western Ghats in Kollam District was inaugurated in January 2001. Thenmala is 72kms from Trivandrum and 66 Kms from Kollam.
Thenmala offers products for both general tourists as well as for eco-tourists. The facilities as part of the eco-friendly general tourism are culture zone with musical dancing fountain, information center, amphitheater shop courts etc. the adventure zone accommodates elevated walkway, nature trail, adventure activities like river crossing rock climbing mountain biking etc. the leisure zone has a sculpture garden with the theme of man and nature a board walk and a suspension foot bridge, apart from this Thenmala ecotourism offers one hour boating in the Shenduruney wildlife sanctuary reservoir and tourists can spend time at he deer rehabilitation center with an children’s eco-park. This destination attracts a  large number of visitors and in 2004-05 around one lakh domestic tourists visited the destination. Funds were provided for the beautification of the leisure zone at Thenmala.