From GAT report (see link): There are 3 adits or levels in the N bank of Afon Dulyn near Ffynnon Bedr farm.
These are not marked on any OS map
| North Wales | |
| Caerhun | |
| 53.2019653, -3.856673 | |
| SH 7608 6882 | |
| Private Land | |
| 94m | |
| #26,846 |
Penlan - 82m- Rowlyn - 216m
- Pen y Gaer - 611m
Afon Dulyn - 719m- Porthllwyd - 1,733m