This shallow depression, surrounded by a low stone wall, was once a well on Mynydd Tir y Cwmwd. There is an Ordnance Survey rivet bench mark on the longer wall in the background, but it's not easy to spot - [[5326855]]
Uploaded to Geograph by John S Turner on 22 March 2017
Photo © John S Turner, 22 March 2017. Licensed for reuse under this Creative Commons licence