Thenmala is a small village at the foothills of Western Ghats and predominantly a forest area.Thenmala (Parappar) Dam is a centre of attraction at Thenmala-- an ecotourism destination. Built under the Kallada Irrigation and Tree Crop development project, it is the second largest irrigation project in Kerala (India).
DAM - The dam impounds the longest reservoir in the State. Waters from the reservoir is now used for power generation also. The famous Shenduruney Wildlife Sanctuary is the most important ecotourism resource of Thenmala Ecotourism. This Wildlife Sanctuary is of about 100 sq. km. and harbors large varieties of flora and fauna.