Gwaun-Cae-Gurwen is in Neath Port, South Wales. The community has a convenience shop and pubs/restaurants, but Ammanford has more. Dinefwr Castle, held by the National Trust and located in the Tywi Valley, dates to the 12th century. Bannau Brycheiniog National Park (Brecon Beacons National Park) is a popular tourist destination, and its country pathways offer spectacular vistas. Explore South Wales with your family.