Llyn-y-Fan-fawr,
Trianglas,  Powys,  Wales

National grid reference: SN 825207

The Maen Mawr is a 5 ft outlier of the Cerrig Duon (black stones) circle on a small plateau at the head of the River Tawe.
  The circle consists of 21 small stones with a 60 ft diameter. The site offers one of the most impressive views south down the Tawe valley.
Earth Tour

download Meini Hirion.kmz and Tour all stones.

Maen
Mawr

Gallery
Maen Madoc
Maen Myrddin
Googleearth
Merchandise