Brandon Hill is the highest mountain in County Kilkenny, Ireland, with an elevation of 515 m (1,690 ft) and prominence at 448 m (1,470 ft). The South Leinster Way, a long-distance trail, meandering through the Barrow Valley and traverses Brandon Hill. The village of Graiguenamanagh and River Barrow are at the base of the hill. It is classified as a county high point, an Arderin, a Myrddyn Dewey, and a Marilyn.

County Kilkenny is a county in Ireland. It is in the province of Leinster and is part of the Southern Region. It is named after the city of Kilkenny. Kilkenny County Council is the local authority for the county. At the 2022 census the population of the county was 103,685. The county was based on the historic Gaelic kingdom of Ossory (Osraighe), which was coterminous with the Diocese of Ossory.