SYKE RATH PROMONTORY FORT
OFFA'S DYKE; CLAWDD OFFA (MAIN ENTRY)
OFFA'S DYKE: VRON SECTION
MARTIN'S HAVEN, INSCRIBED STONE
WAT'S DYKE: TWO SECTIONS BETWEEN CLAWDD OFFA &...
MAEN ACHWYFAN CROSS
WAT'S DYKE S OF RHOS-Y-BRWYNER
DINAS EMRYS
OFFA'S DYKE: SECTION SW FROM TATHAM BRIDGE
ST GOVAN'S CHAPEL
OFFA'S DYKE: SECTION S (?N) OF BRYN YR OWEN FARM
OFFA'S DYKE: (NORTH) SECTION AT COEDPOETH
OFFA'S DYKE; WHITFORD DYKE, SECTION NORTH WEST...
BEDD TALIESIN
TYDDYN PANDY
GLYN, LLANBEDRGOCH