I'm pretty sure that I parked at the farm to the NW (Fferm Rhosydd) and walked from there. The site is signposted from this direction.
Din Dryfol Burial Chamber
Anglesey
B4422 from Bethel signposted Soar; take farm road to Fferm Rhosydd, near Bodorgan, Anglesey. Cadw. Open site.
http://destinations-uk.com/attractions.php?link=attractions&country=wales&category=Prehistoric%20Sites Anglesey
B4422 from Bethel signposted Soar; take farm road to Fferm Rhosydd, near Bodorgan, Anglesey. Cadw. Open site.