Rhiw Ddu Barns. Finest Holiday Accommodation Find Us General: Rhiw Ddu is situated in eastern Carmarthenshire on the western edge of the Brecon Beacons National Park. Easily accessible from the A40 or M4 we are also near a railway station and only an hour from Cardiff Airport. We are approx 1½ hours from the Severn Bridge crossings. Route Planner: Click here or the logo opposite for AA Directions. Set your destination to SA19 9PA, Gwynfe Street Map: Click Here or the map opposite for adjustable detailed StreetMap of the area. You can choose the scale you require. SatNav: Set your SatNav to postcode SA19 9PA Buy your SatNav at the keenest price from www.whatmap.com Books, Maps, Guidebooks and Travel Goods: We highly recommend that you visit www.whatmap.com for your guides, maps and travel items to enhance your stay at Rhiw Ddu   | Home | Accommodation | Locality | Find Us | Prices | Contact | Site Map |