| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Bwlch Mine, Conwy, Conwy, Wales, UK | 53° 17' 49" N | 3° 49' 11" W | 2.0km (1.2 miles) | |
| Trecastell Mine (Llangelynin Mine), Henryd, Conwy, Wales, UK | 53° 15' 13" N | 3° 51' 31" W | 3.6km (2.2 miles) | |
| Ty Gwyn Mine, Great Orme, Llandudno, Conwy, Wales, UK | 53° 19' 33" N | 3° 49' 49" W | 5.0km (3.1 miles) | |
| New Mine, Great Orme, Llandudno, Conwy, Wales, UK | 53° 19' 45" N | 3° 50' 48" W | 5.5km (3.4 miles) | |
| Old Mine, Great Orme, Llandudno, Conwy, Wales, UK | 53° 19' 48" N | 3° 50' 44" W | 5.6km (3.5 miles) | |
| Craiglwyd Quarry, Penmaenmawr, Conwy, Wales, UK | 53° 15' 33" N | 3° 55' 41" W | 6.9km (4.3 miles) | |
| Tal y Fan, Caerhun, Conwy, Wales, UK | 53° 14' 5" N | 3° 54' 10" W | 7.0km (4.4 miles) | |
| Cae Coch Mine, Trefriw, Conwy, Wales, UK | 53° 10' 29" N | 3° 49' 58" W | 11.8km (7.3 miles) | |
| Llanddulas quarry, Llysfaen, Conwy, Wales, UK | 53° 17' 2" N | 3° 38' 47" W | 12.2km (7.6 miles) | |
| Unnamed quarry NNW of Llyn Cowlyd Dam, Dolgarrog, Conwy, Wales, UK | 53° 9' 21" N | 3° 53' 37" W | 14.5km (9.0 miles) | |
| Cedryn Slate Quarry, Dolgarrog, Conwy, Wales, UK | 53° 9' 13" N | 3° 54' 58" W | 15.2km (9.5 miles) | |
| Nant Uchaf Mine, Betws yn Rhos, Conwy, Wales, UK | 53° 16' 2" N | 3° 36' 0" W | 15.4km (9.6 miles) | |
| Unnamed workings north of Gyrn, Llanllechid, Gwynedd, Wales, UK | 53° 12' 3" N | 4° 1' 36" W | 15.8km (9.8 miles) | |
| Gyrn Stone Quarry, Llanllechid, Gwynedd, Wales, UK | 53° 11' 52" N | 4° 1' 34" W | 16.0km (9.9 miles) | |
| Cwm Ffrydias Trial Mine, Llanllechid, Gwynedd, Wales, UK | 53° 11' 33" N | 4° 1' 22" W | 16.1km (10.0 miles) | |
| Unnamed Quarry west of Gyrn, Llanllechid, Gwynedd, Wales, UK | 53° 11' 57" N | 4° 1' 52" W | 16.1km (10.0 miles) | |
| Unnamed Quarry SW of Gyrn, Llanllechid, Gwynedd, Wales, UK | 53° 11' 52" N | 4° 1' 47" W | 16.1km (10.0 miles) | |
| Pen-y-Fridd slate quarry, Trefriw, Conwy, Wales, UK | 53° 8' 1" N | 3° 49' 51" W | 16.3km (10.2 miles) | |
| Cwm Ffrydias Quarry, Llanllechid, Gwynedd, Wales, UK | 53° 11' 30" N | 4° 1' 33" W | 16.4km (10.2 miles) | |
| Bryn-havod-y-wern Slate Quarry, Llanllechid, Gwynedd, Wales, UK | 53° 12' 8" N | 4° 3' 7" W | 17.1km (10.7 miles) | |
| New Pandora Mine, Trefriw, Conwy, Wales, UK | 53° 7' 31" N | 3° 50' 34" W | 17.3km (10.8 miles) | |
| Parc Mine, Trefriw, Conwy, Wales, UK | 53° 7' 29" N | 3° 48' 41" W | 17.4km (10.8 miles) | |
| Hafna Mine, Trefriw, Conwy, Wales, UK | 53° 7' 22" N | 3° 49' 34" W | 17.6km (10.9 miles) | |
| Tan-y-bwlch Slate Quarry, Llanllechid, Gwynedd, Wales, UK | 53° 11' 41" N | 4° 3' 17" W | 17.7km (11.0 miles) | |
| Nant Ffrancon Formation, Llandygai, Gwynedd, Wales, UK | 53° 13' 45" N | 4° 5' 2" W | 17.8km (11.1 miles) | |
| Tan-y-bwlch Slate Quarry, Bethesda, Gwynedd, Wales, UK | 53° 11' 33" N | 4° 3' 25" W | 18.0km (11.2 miles) | |
| Llanllechid, Llanllechid, Gwynedd, Wales, UK | 53° 11' 49" N | 4° 3' 46" W | 18.1km (11.2 miles) | |
| Moel Faban Slate Quarries, Bethesda, Gwynedd, Wales, UK | 53° 11' 17" N | 4° 3' 24" W | 18.3km (11.3 miles) | |
| Llanrwst Mine, Betws-y-coed, Conwy, Wales, UK | 53° 6' 56" N | 3° 49' 11" W | 18.4km (11.4 miles) | |
| Cyffty Mine, Capel Curig, Conwy, Wales, UK | 53° 6' 43" N | 3° 49' 54" W | 18.8km (11.7 miles) | |
Old Mine, Great Orme, Llandudno, Conwy, Wales, UK