Mahendragiri is a hill forest in Tamilnadu, it is located near in Kavalkinaru. The ISRO Propulsion Complex is a test facility for Indian Space Research Organisation’s launch vehicle and satellite propulsion systems, it is located on the lower slopes of this mountain. Kuthirapanjan Waterfalls is a popular waterfall in Panagudi, near Kavalkinaru, formed by the Hanuman River, a tributary of the famous Thamirabarani River. It is located in the Western Ghats, surrounded by mountain ranges, and is the beauty of the Mahendragiri hills.