Introduction to Rhyn Park In the exceptional summer of 1976 crop marks caused by the drought revealed previously unknown archaeology in fields overlooking the Ceiriog River near the Gledrid Roundabout. Professor Barri Jones of the University of Manchester who had extensive knowledge of Roman activity the Northern March, recognised the potential importance of the site and decided to excavate. Operations began in 1977. The dig attracted huge interest and the Border Counties Advertizer was v...