The guys at Blue Peris have been hard at it placing anchors in Bwlch y Plwm over the last few months, adding to the pitches I re-bolted several years ago and the clearing Pete, Andy, Mel and co did.
So I’ve spent a bit of time making colouring and annotating the survey Robin Griffiths, Emyr Rees and Dean Mannon drew up of the mine back in 1996.
Hope you find it useful, click on the plan below for a full view.