For those seeking adventure in its most primal form, Kalakkayam Waterfalls in Thiruvananthapuram is the place to visit. These secret waterfalls cannot be visited without traversing through both roads and forest trails. Nestled in the arms of an evergreen forest, only local guides can get you to your final destination since no signboards have been placed around the area.
Once you reach, you're greeted by a wonderful sight. Mighty waves of clean and ice cold water plummet towards the ground, forming a pool at the base. This pool is famous for its supposed medicinal qualities as well. The entire time you are surrounded by a dense forests and species that haven't shown up on the mainland for a long time. The waterfall is part of the Mankayam Stream that originates in the Agasthyavanam Forest. Bird watchers and trekking enthusiasts will find their wildest dreams fulfilled here. It is indeed a secret, hidden by natural vegetation for centuries.
Nearest railway station: Thiruvananthapuram Central Railway Station, about 50 km
Nearest airport: Trivandrum International Airport, about 60 km
Latitude: 8.754455, Longitude: 77.069163