Hanumanathi originates at an altitude of 1650 m above
, in the Tenkasi taluk, Tirunelveli District
. It traverses downhill for about 10 km, receives its tributary
, before joining with Chittar
village. Various dams constructed across the river are Mettukal , Karisalkulam, Panpoli, Vallalkulam, Elathoor, Nainaragavan, Pungamkal and Kambli dams.