The Offa's Dyke Path is a suberb national trail that runs from the North Wales coast to the Severn Estuary following the line of Offa's Dyke, an impressive 8th century earthwork along the English/Welsh border. The ever changing landscape - the Clwydian Range, the Shropshire Hills, the Black Mountains and the Wye Valley - is steeped in history and legend providing 177 miles of fascinating walking.