At least seven adits with several ventilation shafts and a large number of small trial workings extend up the valley.
Approaching up the valley the managers house with stable and smithy can be clearly seen. Spoil heaps extend upwards. A powder house is the next building encountered. Nearby there is evidence of water management which suggests the smithy used some water power. The main dressing area contains a lot of waste material and some of the walling. Above this are what appear to be ore bins. The shell of a barracks remains west of the dressing area.
| Year | Activity |
|---|---|
| c1755 | Mining commences |
| 1864 | Hafod y Porth Copper Mining Company with some ore raised |
| 1868/9 | Some ore raised |
| 1873 | Prospectus appears for the Great Aran & Snowdon Copper MInes |
| 1882-4 | Named Maudsley after owner, agent Charles Kneebone |
| 1888 | Named Aran by owner E.H. Harmont, with CK as agent |
| 1890 | North Wales United MInes Co |
Summary from Bick
CROW. Open
Publications (8)
- (1986); WMS Newsletter Issue 15 Dec; 4 pages
- (1988); WMS Newsletter Issue 19 Dec; 6 pages
- (2004); Ogofa GCPC Journal No 6,; 11 pages
- (2017); CATMHS - Newsletter 128-August; 48 pages
- Agnew, J.L. (1989); PDMHS (Peak District Mines Historical Society) 10-6 Win - Hafod-y-Porth Copper Mine, The; 9 pages (359-367)
- Bick, D.E. (2003); Old Copper Mines of Snowdonia, The; pp. 89-94
- NMRS; British Mining 41 - Memoirs 1990; pp.54.
- NMRS; Newsletter Nov/1983; pp.2.
