The Tumulus of St. Michel is a megalithic grave mound, located east of Carnac in Brittany, France. It is the largest grave mound in continental Europe.
Wikipedia https://en.wikipedia.org/wiki/Saint-Michel_tumulus
Address Chemin du Tumulus, Carnac 56340, France
Coordinates 47°35'16.542" N -3°4'24.37" E
