Grid Reference: SH771831.
| Name | OS | Distance | Bearing |
| New Mine, Great Orme, Llandudno, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH770830 | 0.1km | 225° (SW) |
| Ty Gwyn Mine, Great Orme, Llandudno, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH781826 | 1.1km | 116° (ESE) |
| Bwlch Mine, Deganwy, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH787794 | 4.0km | 156° (SSE) |
| Trecastell Mine (Llangelynin Mine), Henryd, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH760746 | 8.6km | 187° (S) |
| Craiglwyd Quarry, Penmaenmawr, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH714754 | 9.6km | 216° (SW) |
| Tal y Fan, Northern Snowdonia, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH730726 | 11.3km | 201° (SSW) |
| Cae Coch Mine, Trefriw, Gwydyr Forest area, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH775658 | 17.3km | 178° (S) |
| Nant Uchaf Mine, Betws yn Rhos, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH933757 | 17.8km | 114° (ESE) |
| Nant Ffrancon Formation, Aber-Ogwen, Bangor, Gwynedd (Caernarvonshire), Wales, UK | SH609723 | 19.5km | 236° (WSW) |
| Penrhyn Mine, Llandegai, Bangor, Gwynedd (Caernarvonshire), Wales, UK | SH595699 | 22.0km | 233° (SW) |
| New Pandora Mine (Pandora Mine; Standard Mine ; Welsh Foxdale Mine), Llanrwst, Gwydyr Forest area, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH767603 | 22.8km | 181° (S) |
| Parc Mine (Gwydyr Park Consols), Llanrwst, Gwydyr Forest area, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH788602 | 23.0km | 175° (S) |
| Hafna Mine, Llanrwst, Gwydyr Forest area, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH778600 | 23.1km | 178° (S) |
| Penrhyn Slate Quarry, Bethesda, Gwynedd (Caernarvonshire), Wales, UK | SH620648 | 23.7km | 219° (SW) |
| Llanrwst Mine, Llanrwst, Gwydyr Forest area, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH782592 | 23.9km | 177° (S) |
| Cyffty Mine, Betws-y-Coed, Gwydyr Forest area, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH774588 | 24.3km | 179° (S) |
| Aberllyn Mine, Betws-y-coed, Gwydyr Forest area, Conwy (Gwynedd; Caernarvonshire), Wales, UK | SH794580 | 25.2km | 174° (S) |
| Marchlyn Mawr, Llanberis, Gwynedd (Caernarvonshire), Wales, UK | SH616619 | 26.3km | 216° (SW) |
| Dinorwic Quarry, Llanberis, Gwynedd (Caernarvonshire), Wales, UK | SH595605 | 28.6km | 217° (SW) |
| Dyserth Quarry, Dyserth, Denbighshire (Clwyd), Wales, UK | SJ062786 | 29.4km | 98° (E) |
| Rhos Mynach Mine (Rhos-mynach Mine), Llaneilian, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK | SH483905 | 29.7km | 284° (WNW) |
| Beddgelert Forest, Rhyd-Ddu, Gwynedd (Caernarvonshire), Wales, UK | SH675534 | 31.2km | 197° (SSW) |
| Carnedd y Cribau, Central Snowdonia, Gwynedd (Caernarvonshire), Wales, UK | SH675534 | 31.2km | 197° (SSW) |
| Britannia Mine (Snowdon Mine), Mt. Snowdon, Gwynedd (Caernarvonshire), Wales, UK | SH616547 | 32.4km | 208° (SSW) |
| Gallt y Wenallt, Mt. Snowdon, Gwynedd (Caernarvonshire), Wales, UK | SH642533 | 32.5km | 203° (SSW) |
| Parys Mountain Mines (Paris Mine; Parys Mine; Mona Mine; Morfa Du Mine), Amlwch, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK | SH441904 | 33.8km | 282° (WNW) |
| Shadow Gully, Mt. Snowdon, Gwynedd (Caernarvonshire), Wales, UK | SH606535 | 33.9km | 209° (SSW) |
| Carreg Fawr Mine, Betws Garmon, Gwynedd (Caernarvonshire), Wales, UK | SH544579 | 33.9km | 222° (SW) |
| Ystrad Mine (Silurian Mine), Betws Garmon, Gwynedd (Caernarvonshire), Wales, UK | SH540574 | 34.6km | 221° (SW) |
| Tyddynbach Mine, Betws Garmon, Gwynedd (Caernarvonshire), Wales, UK | SH537567 | 35.3km | 221° (SW) |
| Trelogan Mine, Trelogan, Llanasa, Flintshire (Clwyd), Wales, UK | SJ126808 | 35.6km | 93° (E) |
| Gloddfa Ganol (Oakley) Quarry, Blaenau Ffestiniog, Gwynedd (Merionethshire), Wales, UK | SH693468 | 37.1km | 192° (SSW) |
| Votty and Bowydd Quarry, Blaenau Ffestiniog, Gwynedd (Merionethshire), Wales, UK | SH708464 | 37.2km | 189° (S) |
| Drws-y-Coed Mine, Nantlle Vale, Gwynedd (Caernarvonshire), Wales, UK | SH545535 | 37.2km | 217° (SW) |
| Simdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Gwynedd (Caernarvonshire), Wales, UK | SH543533 | 37.5km | 217° (SW) |
| Pant-y-Gaseg Mine, Amlwch, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK | SH412945 | 37.7km | 287° (WNW) |
| Benallt Mine, Nantlle Vale, Gwynedd (Caernarvonshire), Wales, UK | SH536535 | 37.8km | 218° (SW) |
| Cwt y Bugail Quarry (Bwlch-y-Slaters Quarry; New Manod Quarry), Blaenau Ffestiniog, Gwynedd (Merionethshire), Wales, UK | SH732455 | 37.8km | 185° (S) |
| Cwmorthin Quarry, Tanygrisiau, Blaenau Ffestiniog, Gwynedd (Merionethshire), Wales, UK | SH681463 | 37.9km | 193° (SSW) |
| Mynydd Drws-y-Coed, Nantlle Vale, Gwynedd (Caernarvonshire), Wales, UK | SH547522 | 38.2km | 215° (SW) |
| Sygun Mine, Beddgelert, Gwynedd (Caernarvonshire), Wales, UK | SH606485 | 38.3km | 205° (SSW) |
| Manod Quarry (Manod New Setts Quarry), Blaenau Ffestiniog, Gwynedd (Merionethshire), Wales, UK | SH707449 | 38.7km | 189° (S) |
| Tanygrisiau Railway Station, Tanygrisiau, Blaenau Ffestiniog, Gwynedd (Merionethshire), Wales, UK | SH684450 | 39.1km | 192° (SSW) |
| SS Liverpool wreck site, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK | SH390955 | 40.1km | 288° (WNW) |
| Ogof Owain Glyndwr, Moel Hebog, Beddgelert, Gwynedd (Caernarvonshire), Wales, UK | SH558478 | 41.2km | 211° (SSW) |
| Holywell, Flintshire (Clwyd), Wales, UK | SJ185763 | 42.0km | 99° (E) |
| Llanddwyn Bay, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK | SH389630 | 43.2km | 242° (WSW) |
| Nant yr Helfa Mine, Pantllwini, Llanycil, Gwynedd (Merionethshire), Wales, UK | SH833401 | 43.4km | 171° (S) |
| Bwlch y Plym Mine, Llanfrothen, Gwynedd (Merionethshire), Wales, UK | SH627415 | 44.0km | 199° (SSW) |
| Catherine and Jane Consols (Penyrallt Mine), Coed Llyn y Garnedd, Llanfrothen, Gwynedd (Merionethshire), Wales, UK | SH633411 | 44.2km | 198° (SSW) |
