Glasbury, also known as Glasbury-on-Wye, is a village and community in Powys, Wales. The village lies at an important crossing point on the River Wye, connecting the historic counties of Brecknockshire and Radnorshire, and is located just outside the Brecon Beacons National Park, north of the Black Mountains. The village is split between the communities of Glasbury and Gwernyfed. The nearest town is Hay-on-Wye, some 4 miles to the north east.