Offas Dyke:Official guide to the 177 mile/285 km trail along the Anglo-Welsh border, from the Severn estuary to Prestatyn in the north. Includes mapping, news and FAQ.
Offa's Dyke Association: The Association, the Centre, management and history. Guide books, maps and where to stay.
Offa's Dyke: Walk Through History: Day-by-day route description and photo galleries .