I just got hold of a brand new document which included an interesting paragraph, though no further map but it sounds like the mine might be a little more extensive than the overlay map I already had.

Lol, thanks. I'm unlikely to explore it myself, I lack both equipment and experience. That said, if I were to investigate I was thinking more of creating a remote rover with a camera but I can't see me getting a kilometre of cable to run it :) Yes, the gate might be just open enough for...

I finally found some of my old files. The map was an old map I found in a document on the web, so I scaled it and overlaid it on google maps. Also some photos of the gated adit I took a few years ago.

The blue line is roughly the path of the mine that I remember from the old map, I‘lol have to try and find the original. The red X is where the gated adit is, quite easy to get to but padlocked if I remember rightly. The yellow X is where the backfilled adit is from the first photo I posted. A...

None of those. I’ll try draw a map of where it is.

Has anyone got photos or explored an old mine that sits under Cefn Hendy, between Pontyclun and Llantrisant in South Wales? It’s an old mine, I believe all the shafts are filled but two adits remain. One is gated and the other is back filled though you can hear drips echoing from behind the...