Small lead working North of Tanrallt (earlier Tan-yr-allt) farmstead. There were verbal references to other lead and gold itrials in the area but none substantiated.
| North Wales | |
| Trawsfynydd | |
| 52.9233017, -3.834043 | |
| SH 7680 3779 | |
| Private Land | |
| #29,393 |
Cwm Prysor - 1,105m
Conglog - 1,220m
Nant Gefail y Miners - 1,626m- Moel y Croesau - 1,852m