Kannimara Teak, considered the oldest teak tree in the world, is in Parambikulam. It is estimated that the tree is almost 450 years old. tourists are attracted to it not only because of the age but also due to its size. Towering over 49.5 meters, it has a girth of an astonishing 6.8 meters. Tourists come to the region to see and capture the pictures of the grandpa tree. The government of India, realizing its uniqueness, gave it the title Mahavriksha Puraskar.