Kalakkayam Waterfalls also known as Idinjar Waterfalls is located in the forests near Idinjaar in Thiruvananthapuram district ,on the foothils of Ponmudi a tourist destination in Kerala.To reach Kalakkayam from Thiruvananthapuram, one has to come via Palode, which is about 35 kms from the city. From Palode take a deviation to reach Peringamala. Take a right turn from Peringamala to reach Kurisadi via Idinjaar, 12 km away. Since there are no signboards leading to the falls, from Kurisadi, one may seek local assistance to reach the spot of the waterfalls.
In and around the Kalakkayam waterfalls, it is an ambiance that defies words. The waterfall is part of the Mankayam stream that originates in the Agasthyavanam forest. A pool formed at the base of the waterfall is indeed worth a dip and the cool water simply enlivens your body. While attempting to cross the stream to reach the waterfall, one needs to watch the steps, as there are moss covered rocks, which are quite slippery.
The forest nearby the waterfall is also a great spot to watch birds and also other species of fauna and flora. A trail along the stream to explore the sights on either side is yet another option for those who would love to walk around a bit.