Located 47 kms away from the Thirunelveli and 5kms from Papanasam water falls (Agasthiyar fall), Manimuthar Dam is an ideal picnic spot blessed with beautiful garden and peaceful atmosphere. The river Manimuthar that arises from the dense forest a top Senkutheri in Ambasamudram taluk at the height of about 1300 m is a major tributary of the Tamiraparani.