Hay-on-Wye the north-easternmost tip of the Brecon Beacons National Park, just north of the Black Mountains. The town is just on the Welsh side of the border with Herefordshire, England, here defined by the Dulas Brook. Where the brook joins the River Wye just north of the town, the border continues northwards along the river. The Wye was the boundary between the former counties and districts of Radnorshire and Brecknockshire. The adjacent village of Cusop lies on the English side of the Dulas Brook. The nearest city is Hereford, county town of Herefordshire, some to the east. The Royal Mail depot
Aspen Institute Wye River Conference Centers facility to house the Institute for Information Studies, a joint program of Northern Telecom Ltd. (later Nortel Networks) and the Aspen Institute. The Institute convened executives in business, academia, government and the non-profit sector to explore the impacts of technology on society. Aspen Institute Wye River Conference Centers The Aspen Institute Wye River Conference Centers consists of acres overlooking the Wye River on Maryland's Eastern Shore. The site, parts of which were once known as the Wye River Plantation, was donated by Mr. and Mrs. Arthur A. Houghton, Jr. in 1979. William Paca, a signer of the Declaration of Independence