Brandon Hill (Irish: Cnoc Bhréanail) 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.