Thenmala is a very popular tourist place near Punalur in Kollam district. India's first eco tourism project is located at Thenmala. Thenmala is located about 72 kms from Thiruvananthapuram. This is a predominantly forest area in the Western Ghats. Shenduruney Wildlife Sanctuary is one of the major attractions of this place. Other places of tourist importance are Thenmala Dam, Palaruvi, the adventure zones etc. Palaruvi Waterfalls is only 16km from Thenmala. The main attraction is a 300 foot-high waterfall which looks like a Stream of milk and hence the name Palaruvi.