Brownshill dolmen — Wikipedia

Brownshill Dolmen (Irish: Dolmain Chnoc an Bhrúnaigh) is a very large megalithic portal tomb situated 3 km east of Carlow, in County Carlow, Ireland. Its capstone weighs an estimated 150 metric tons, and is reputed to be the heaviest in Europe. This dolmen has three large uprights and two recumbent stones at the other end. The tomb is listed as a National Monument. Known as the Kernanstown Cromlech, sometimes spelled as Browneshill Dolmen, it is sited on the former estate house of the Browne family from which it takes its name. It lies just off the R726 road regional road and is clearly...