Llyn Cyri – the referenced lake of ‘Craig-y-Llyn’. As it happens, the great cairn was sited so as to not overlook it. Incidentally, this is the reverse view of the framing of Twll yr Ogof between the ‘portal stones’ of Cerrig Arthur stone circle located some 5 miles across the Mawddach to the northwest
Image credit: Robert Gladstone
