Visited 26.7.15
The stone can be seen on the approach road and from the parking area.
It was sunny and not raining! However, this water meadow (it must be) was incredibly wet and muddy. Parts of the field was underwater. The landlord of the B+B we were staying in said that normally the field was dry from June to August – but not on my visit. Apparently local farmers were reporting this is the wettest summer they have had since 1985. This I can believe. The stone now has its own moat to protect it.