OFFA'S DYKE: SECTION SW FROM TATHAM BRIDGE
OFFA'S DYKE; CLAWDD OFFA (MAIN ENTRY)
OFFA'S DYKE SOUTH OF PEN-Y-BRYN
OFFA'S DYKE NORTH-EAST OF THE CHIRK CASTLE...
OFFA'S DYKE NORTH-EAST OF HOME FARM
OFFA'S DYKE SOUTH EAST TO BELE BROOK,...
OFFA'S DYKE NORTH-EAST OF CASTLE MILL