Upper Kodayar Dam, Manjolai Hills, Thirunelveli
Upper Kodayar Dam is located very near to Nalamukku in Manjolai Hills. Kodayar dam which is located in the hills is noted for its wild view. The two power houses in Kodayar-Hydro Kodayar Power House I and Kodayar Power House II generates over 100 MW. The water that is collected is pumped up from the Lower Kodayar catchment as there are no direct streams that serve this dam.
There is a winch to reach the upper parts of the Kodayar dam for which prior permission is required. Kodayar are surrounded by dense forests with valuable trees and wildlife constituting elephants, monkeys, porcupine, snakes, wild boars, deer and many birds.
Over 42 species of tropical trees are found here. There is a view point near this dam from which Pechiparai Dam, Perumchanni and Chittar reservoirs can be seen. The Agasthiar Mountain can also be seen from this viewpoint.
Kodayar Dam is located at about 85 Kms from Thirunelveli, 50 Kms from Papanasam, 45 Kms from Ambasamudram, 244 Kms from Madurai and 185 Kms from Thiruvananthapuram. Nearest Railway Station is located at Ambasamudram and Nearest Airport is located at Madurai and Thiruvananthapuram.