“This site has more than 420 stones is considered one of the most important of Central Brittany. Its construction dates back to more than 1,500 years. In 1989, after excavations, the majority of the standing at half-buried in the Heath there was discovered. The site extends over 7 hectares. Some stones weighing over 35 tons and can measure up to 5 meters”
Aubrey Burl has 22 schist stones (with three still standing) in two intersecting rows 55m N/S and 78m WSW/ENE [rather ragged on his plan]