The sandstone outcrop appears natural, though there is some evidence of quarrying in the vicinity. Probably another glacial meltwater channel like nearby [[4611954]] at Lymm and the [[3669600]]. The excavated hole is big enough for three or four people to sit in, but no bigger.
Uploaded to Geograph by Dave Dunford on 30 July 2015
Photo © Dave Dunford, 30 July 2015. Licensed for reuse under this Creative Commons licence