The Wales & Anglesey Coastal Path, Wales. Picturesque spring view of the coastal headland at Red Wharf Bay, near the village of Mariandyrys. The scene was captured on the Bennlech to Penmon section of the Wales and Anglesey Coastal Path, near the village of Mariandyrys. The Wales Coast Path was developed in partnership with the Welsh Government, the Countryside Council for Wales, sixteen local authorities and two National Parks. Opened in May 2012, the 870 mile path (1,400 km) runs from the market town of Chepstow to the Cheshire border on the River Dee. The route is also part Anglesey Coastal Path Walk, which is a 124 mile long distance footpathwalk which formerly starts and ends in Holyhead on Holy Island.