St. John's Footprint, Nenagh North

I first heard of the stone in the Schools Manuscripts for the area.

From duchas.ie

http://www.duchas.ie/en/cbes/5162110/5155109/5168413

"St. John's well is situated about one mile from Nenagh and on Brookwatson lands. It is called after St. John, and the print of his foot is still to be seen on a stone there. The people of the town still go to visit it on his feast day - 22nd June. St. John's Terrace is called after him."

Thanks to John Flannery of Ormond Historical Society​ for the information that it is still there. It located outside the well's enclosure in a field adjacent to the river.
It is an earthfast stone with what is probably a natural depression (in which a size 12 foot can fit). There is also carved graffiti on the stone. A number of incised lines, a cross and some writing which I couldn't make out (Two of the letters look to be O & N).
I hopefully will get back there to take some night photos and they might be a bit clearer.

Cross inscribed on the stone in centre of photo & O N to the bottom left