Crugiau Merched has two ancient cairns; the eastern one, pictured, appears to be the more intact. The other, close to the summit trig point and actually higher than it, seems to have been hollowed out to an extent.
Uploaded to Geograph by Trevor Littlewood on 15 April 2012
Photo © Trevor Littlewood, 15 April 2012. Licensed for reuse under this Creative Commons licence