id: GB054
names: Trefignath
reference: National Grid Reference: SH 258 806
type: chambered cairn
other references: Cope, 1998, p. 316
place: Holyhead, Anglesey
country: GB
date(s) of visit: 03-08-2015
remarks: Trefignath is a great site but spoilt by the view to the aluminium works
impression: the grave does appear slightly as an 'allee couverte'