Located in the district of Kollam, Palaruvi is a waterfall set at a height of 300 meters near Aryankavu. People often come to take a refreshing dip in the pool formed by the river at the base, to which tourist need to walk through the tough terrain and forest. Palaruvi is a delightful picnic area embellished by forest, hills, natural groves, and appealing lush green valleys.

This ecotourism spot is predominantly known for trekking. There are a few trekking routes covering forest, caves, and streams enroute.