Mines in Forest of Dean
The Forest of Dean has been worked for iron and coal since Roman times, its coal seams and ore deposits mined under the ancient Free Miner system alongside larger nineteenth-century collieries sunk to feed ironworks at Cinderford and beyond.
| Mine | Worked | Commodities |
|---|---|---|
| Lightmoor Colliery | c. 1832 (gale awarded 1841)–8 June 1940 | Coal |
| Norchard Colliery | 1930 (acquired); new drift from 1937–1965 | Coal |
| Princess Royal Colliery | 1842 (gale); 1897 (Yorkley Seam production)–30 March 1962 | Coal |
| Trafalgar Colliery | c. 1860 (gale granted 1842)–1925 | Coal |
Record created: 2 September 2026 · Last researched: 2 September 2026