 In the Pothigai hills near Ambasamudram, Tirunelveli district of Tamil Nadu there still is a water fall and an entire hillock named after Agasthya.It is called Agasthiyar falls, and Agasthiyar Hills.It even has a very recluse small temple at the hill slope where he is the presiding deity along with his wife Lopamudra.ppl do not stay back after sunset at this place as he is supposed to visit in the dark hours.