Hiriyuru is a city and a taluk headquarter located in Chitradurga district in the Indian state of Karnataka.
Hiriyuru is renowned for having the oldest dam in Karnataka, built on the Vedavathi River, and named Mari Kanive.
During winter (November - February), the night temperature may come down to 18 degrees C. Hiriyur is famous as a centre for regional (rural) markets.
It is also famous for the Mari Kanive(Vani Vilaasa Sagara), which is an architectural masterpiece constructed during the rule of the Mysore Wodeyars.
The National Highway 4 which passes through Hiriyur has for decades created a cluster of business catering to the commuters.
It is believed that the famous devotee of Lord Shiva, "Hema Reddy Mallamma", was a resident of this town.
As promised, Lord Shiva was believed to have incarnated in the "oraLukallu" (a stone of cylindrical shape used in the households of ancient India for grinding purpose).