Avathuvadi is a town in Krishnagiri District, Tamil Nadu, India. It is located on the banks of the river Thenpennai, about 13 kilometres (8.1 mi) from Kaveripattinam and 7 kilometres (4.3 mi) from Karimangalam. The town is governed by a gram panchayat.

Avathuvadi
Town
Country	India
State	Tamil Nadu
Region	Kongu Nadu
District	Krishnagiri
Languages
• Official	Tamil
Time zone	UTC+5:30 (IST)
Vehicle registration	TN-24

The main temples of the village are a Pillayar temple and a Mariamman temple. Pongal and Masi Maham are the major festivals celebrated in the village.