Hethur is a hobli in the Sakleshpura taluk in the Hassan district of Karnataka, India. As per a census survey of India conducted in 2011, the location code number of Hethur village is 615012.
It lies on State Highway 107, 25 km south of its taluk headquarter, Sakleshpura. Hethur is 58 km from Hassan and 235 km from the state capital Bengaluru.
The nearest railway stations are Sakleshpura and Hassan Junction. The nearest airport is Mangaluru International Airport.
In 2022, Hettur hobli received an annual rainfall of , the highest in Hassan district.