Underground. Adit open but blocked by run-in shaft. Hundreds of dressed slates on tip. Near by are ore slides, wheel pit and crusher house
| Year | Activity |
|---|---|
| c1840 | 140 fm adit driven to the east through hard ground to reach a lode. |
| 1851 | New company re-opens mine finding good lead in two lodes giving 2 tons of lead ore per fathom, with 25 oz of silver per ton. Dressing floors and buddle installed. Captain Paull expressed the opinion that there was only one lode that had split. Continued driving the adit, but ran out of funds. |
| 1863 | Re-opened as Cader Idris Consols. Promotional material claim three silver-lead lodes, one copper lode, iron ore deposits and a splendid slate vein. Depth of mine was 12 fm, with a aize 10fm below adit. |
| 1870s | Sett held by Cyfannedd Mining Company. Slate being the product from around this time. |
| 1875 | Operations carried out by Lewis Henry Evans, a chartered accountant from London. |
| <1887 | End of activity. 1887 OS Map shows site as Slate Works (Disused) |
Some ore produced, but nothing registered.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
