This database has been created to cover North Wales mines but may be extended later. For more details and a picture (if available), click on the site number.

Please note, some detail may not be shown at present for security and safety reasons.

All mines

Number of sites listed: 328 of which 2 are multiple location sites and 326 are unique sites.

No	Name / alternate name	Locality	NGR	Mined for	Form	State	Part of (another site)
N001	Aber Sychnant Mine [None]	Somewehere in Wales	withheld	Lead	Multi-entrance mine	Open - accessible	-
N002	Aberduna Mine		withheld	Lead Silver	Not known	Not known	-
N003	Alltgymbyd Mine		withheld	Lead	Not known	Not known	-
N004	American Mine [see Clwt Militia Mine]		withheld	Lead Silver	Not known	Not known	-
N005	Ashton Mine		withheld	Lead Silver	Not known	Not known	-
N006	Axton Mine		withheld	Lead	Not known	Not known	-
N007	Bagillt Lead Smelter		withheld	Lead	Not known	Not known	-
N008	Bedol Aur Mine		withheld	Lead	Not known	Not known	-
N009	Belgrave Mine		withheld	Lead	Not known	Not known	-
N010	Bersham Iron Works		withheld	Iron	Not known	Not known	-
N011	Berthen Farm Mine		withheld	Lead	Not known	Not known	-
N012	Billins Mine		withheld	Lead Silver	Not known	Not known	-
N013	Blaen-y-Nant Mine [aka Maen di Golchwyn Mine]		withheld	Lead	Not known	Not known	-
N014	Bodelwyddan Mine		withheld	Lead Silver Zinc	Not known	Not known	-
N015	Bodfari Mine [aka Coed Llan Mine]		withheld	Iron	Not known	Not known	-
N016	Bodidris Mine		withheld	Lead	Not known	Not known	-
N017	Brindigrif Mine		withheld	Lead	Not known	Not known	-
N018	Bron Eyarth Barytes Mine		withheld	Barytes	Not known	Not known	-
N019	Bron Eyarth Lead Mine [aka Coed Marchon Mine]		withheld	Lead	Not known	Not known	-
N020	Bron Heulog Mine		withheld	Copper	Not known	Not known	-
N021	Brymbo Iron Works		withheld	Iron	Not known	Not known	-
N022	Brymbo Lead Smelter		withheld	Lead	Not known	Not known	-
N023	Bryn-y-Gaseg Mine [aka Wacco Mine]		withheld	Lead	Not known	Not known	-
N024	Bryn-yr-Odyn Mine		withheld	Lead	Not known	Not known	-
N025	Bryn-yr-Orsedd Mine		withheld	Lead	Not known	Not known	-
N026	Bryn Adda Mine		withheld	Lead	Not known	Not known	-
N027	Bryn Ffynnon Mine		withheld	Gold	Not known	Not known	-
N028	Bryn-nant-Llech Mine		withheld	Copper	Not known	Not known	-
N029	Brynalyn Mine [aka Great New Westminster Mine or Pwllhelyg Mine]		withheld	Lead	Not known	Not known	-
N030	Bryncelyn Mine [see Penyfron Mine]		withheld	Lead Silver Zinc	Not known	Not known	-
N031	Bryncloddiau Mine		withheld	Lead	Not known	Not known	-
N032	Bryncoch Mine [aka East Pantymwyn Mine]		withheld	Lead Silver ZInc	Not known	Not known	-
N033	Brynford Mine [aka Valentine Mine]		withheld	Lead Silver	Not known	Not known	-
N034	Brynford Hall Mine		withheld	Lead Silver	Not known	Not known	-
N035	Bryngwiog Mine		withheld	Lead	Not known	Not known	-
N036	Bryngwyn Mine		withheld	Lead	Not known	Not known	-
N037	Brynhyfryd Mine		withheld	Lead	Not known	Not known	-
N038	Brynparade Mine [see North Pantygo Mine]		withheld	Lead Silver Zinc	Not known	Not known	-
N039	Brynsion Mine		withheld	Lead	Not known	Not known	-
N040	Brynyffynon Mine		withheld	Lead	Not known	Not known	-
N041	Brynyfryd Mine		withheld	Lead	Not known	Not known	-
N042	Brynyrhenblas Mine		withheld	Lead	Not known	Not known	-
N043	Buckley Lead Smelter		withheld	Lead	Not known	Not known	-
N044	Butlersfield Mine [see Coetia Butler Mine]		withheld	Lead Silver	Not known	Not known	-
N045	Bwlch Mine		withheld	Lead	Not known	Not known	-
N046	Bwlchgwyn Mine		withheld	Lead Silver	Not known	Not known	-
N047	Bwlchyddaufryn Mine		withheld	Lead	Not known	Not known	-
N048	Cae Tan-y-Craig Mine		withheld	Lead Silver	Not known	Not known	-
N049	Caeau Mine [aka Rhydfud Mine + Llongle Mine and New Caeau Mine]		withheld	Lead	Not known	Not known	-
N050	Caepant Mine [aka Lower Eisteddfod Mine]		withheld	Lead	Not known	Not known	-
N051	Cambrian Mine		withheld	Lead	Not known	Not known	-
N052	Cambrian Mine		withheld	Slate	Not known	Not known	-
N053	Castell Mine		withheld	Gold	Not known	Not known	-
N054	Cathole Mine		withheld	Lead Zinc	Not known	Not known	-
N055	Cefn Cilcen Mine		withheld	Lead	Not known	Not known	-
N056	Cefn Mine [see Plas Newydd Mine]		withheld	Lead Silver	Not known	Not known	-
N057	Cefn Mawr Mine [aka Deborah Mine]		withheld	Lead	Not known	Not known	-
N058	Cefn Mawr Rhydymwyn Mine		withheld	Lead ZInc	Not known	Not known	-
N059	Cefn Spar Mine		withheld	Spar	Not known	Not known	-
N060	Cefn-y-Gist Mine		withheld	Lead Silver	Not known	Not known	-
N061	Cefn-y-Groes Fawr Mine		withheld	Copper	Not known	Not known	-
N062	Cefn-yr-Ogof Mine [name also used by Gwrych Castle Mine]		withheld	Lead	Not known	Not known	-
N063	Celyn Bog Mine [see Gorsedd Mine]		withheld	Lead Silver	Not known	Not known	-
N064	Cheney Rake Mine		withheld	Lead Silver	Not known	Not known	-
N065	Central Halkyn Mine [aka New North Halkyn Mine]		withheld	Lead	Not known	Not known	-
N066	Central Minera Mine		withheld	Lead Silver	Not known	Not known	-
N067	Chirk Castle Mine		withheld	Lead	Not known	Not known	-
N068	Chwarel Las Mine		withheld	Lead Silver	Not known	Not known	-
N069	Chwarel Wen Mine		withheld	Lead	Not known	Not known	-
N070	Cilcain Fold Mine		withheld	Lead	Not known	Not known	-
N071	Cilcain Hall Mine		withheld	Lead	Not known	Not known	-
N072	Cilcen Hall Mine [see Cilcain Hall Mine]		withheld	Lead	Not known	Not known	-
N073	Clwt Militia Mine [aka American Mine]		withheld	Lead Silver	Not known	Not known	-
N074	Coed Celyn Mine		withheld	Lead	Not known	Not known	-
N075	Coed Du Mine		withheld	Lead Silver	Not known	Not known	-
N076	Coed Llan Mine [see Bodfari Mine]		withheld	Iron	Not known	Not known	-
N077	Coed Marchon Mine [see Bron Eyarth Lead Mine]		withheld	Barytes	Not known	Not known	-
N078	Coed Mawr Mine [aka Nant-y-Ffrith Mine]		withheld	Lead	Not known	Not known	-
N079	Coed y Fedw Mine		withheld	Lead	Not known	Not known	-
N080	Coed y Fron Mine		withheld	Lead	Not known	Not known	-
N081	Coed y Garreg Mine		withheld	Lead	Not known	Not known	-
N082	Coed yr Esgob Mine [aka Fish Mine]		withheld	Lead Calcite	Not known	Not known	-
N083	Coed Ysgeirallt Mine		withheld	Copper	Not known	Not known	-
N084	Coetia Ball Mine [aka St Winifred Mine]		withheld	Lead	Not known	Not known	-
N085	Coetia Butler Mine [aka Butlersfield Mine]		withheld	Lead Silver	Not known	Not known	-
N086	Coetia Mawr Mine		withheld	Lead Silver	Not known	Not known	-
N087	Coetia'r Ysgall Mine		withheld	Lead	Not known	Not known	-
N088	Colossus Mine [see North Pantygo Mine]		withheld	Lead Silver Zinc	Not known	Not known	-
N089	Cornell-Llwyd Mine		withheld	Lead	Not known	Not known	-
N090	Craig y Cribin Mine		withheld	Slate	Not known	Not known	-
N091	Craig y Glyn Levels		withheld	Lead Zinc	Not known	Not known	-
N092	Craig y Mwyn Mine		withheld	Lead	Not known	Not known	-
N093	Creigiau Eglwyseg Mine		withheld	Lead	Not known	Not known	-
N094	Creigiog Mine		withheld	Lead Silver Zinc	Not known	Not known	-
N095	Cross Leavings Mine		withheld	Lead	Not known	Not known	-
N096	Cwm Mawr Mine		withheld	Lead	Not known	Not known	-
N097	Cwmmaengwynedd Mine		withheld	Slate	Not known	Not known	-
N098	Deborah Mine		withheld	Lead	Not known	Not known	-
N099	Dee Bank Lead Smelter		withheld	Lead	Not known	Not known	-
N100	Dee Sinclair Mine [see Gorsedd Mine]		withheld	Lead Silver	Not known	Not known	-
N101	Dingle Mine		withheld	Lead	Not known	Not known	-
N102	Dog Pit Mine		withheld	Lead Silver	Not known	Not known	-
N103	Dolphin Mine		withheld	Lead	Not known	Not known	-
N104	Dyffryn-Aled Mine		withheld	Copper	Not known	Not known	-
N105	Dyserth Mine		withheld	Lead Silver	Not known	Not known	-
N106	Dyserth Castle Mine		withheld	Lead	Not known	Not known	-
N107	East Halkyn Mine		withheld	Lead	Not known	Not known	-
N108	East Long Rake Mine [see New Westminster Mine]		withheld	Lead Silver	Not known	Not known	-
N109	East Maeshafn Mine [see Glyndwr Mine]		withheld	Lead	Not known	Not known	-
N110	East Pantymwyn Mine [see Bryncoch Mine]		withheld	Lead Silver ZInc	Not known	Not known	-
N111	Eglwyseg Mine [aka World's End Mine]		withheld	Lead Silver	Not known	Not known	-
N112	Eisteddfod Mine		withheld	Lead Silver	Not known	Not known	-
N113	Erwfelin Mine		withheld	Lead	Not known	Not known	-
N114	Fagnallt Mine [aka Mwynbwll Mine]		withheld	Lead	Not known	Not known	-
N115	Fish Mine [see Coed yr Esgob Mine]		withheld	Lead Calcite	Not known	Not known	-
N116	Ffrith Mountain Mine		withheld	Gold	Not known	Not known	-
N117	Ffordd-las Bach Mine		withheld	Lead	Not known	Not known	-
N118	Ffos-y-Bleiddiaid Mine		withheld	Lead	Not known	Not known	-
N119	Flint Lead Smelter		withheld	Lead	Not known	Not known	-
N120	Fron Mine		withheld	Lead Silver	Not known	Not known	-
N121	Fron-Dyffryn Mine		withheld	Lead	Not known	Not known	-
N122	Fron Hall United Mine		withheld	Lead Silver	Not known	Not known	-
N123	Fron Hen Mine		withheld	Gold	Not known	Not known	-
N124	Fron Ucha Mine		withheld	Lead	Not known	Not known	-
N125	Fronfawnog Mine		withheld	Lead Silver	Not known	Not known	-
N126	Fronissa Mine [aka Owain Glyndwr Mine]		withheld	Lead Silver	Not known	Not known	-
N127	Gadlys Lead Smelter		withheld	Lead	Not known	Not known	-
N128	Garneddwen Mine		withheld	Lead	Not known	Not known	-
N129	Garreg Mine		withheld	Lead	Not known	Not known	-
N130	Garreg-Boeth Mine		withheld	Lead	Not known	Not known	-
N131	Garth Mine		withheld	Lead Gold	Not known	Not known	-
N132	Gelli Fowler Mine		withheld	Lead	Not known	Not known	-
N133	Gelli Loveday Mine		withheld	Lead	Not known	Not known	-
N134	Gilfach Mine		withheld	Copper	Not known	Not known	-
N135	Gladstone Mine		withheld	Lead Silver	Not known	Not known	-
N136	Glanalyn Mine		withheld	Lead	Not known	Not known	-
N137	Glol Mine		withheld	Lead	Not known	Not known	-
N138	Glyndwr Mine [aka East Maeshafn Mine]		withheld	Lead	Not known	Not known	-
N139	Golden Grove Mine		withheld	Lead	Not known	Not known	-
N140	Golch Hill Mine [see Holway District Mine]		withheld	Lead	Not known	Not known	-
N141	Gomerian Level [see Cwm Mawr Mine]		withheld	Lead	Not known	Not known	-
N142	Gop Hill Mine		withheld	Lead	Not known	Not known	-
N143	Gors Mine		withheld	Lead	Not known	Not known	-
N144	Gorsedd Mine [aka Dee Sinclair Mine or Celyn Bog Mine]		withheld	Lead Silver	Not known	Not known	-
N145	Graianrhyd Mine		withheld	Lead	Not known	Not known	-
N146	Graig Fawr Mine		withheld	Lead Copper	Not known	Not known	-
N147	Grainger's Mine		withheld	Lead	Not known	Not known	-
N148	Grange Mine		withheld	Lead	Not known	Not known	-
N149	Great Calcot Mine		withheld	Lead Silver	Not known	Not known	-
N150	Great Holway Mine [see Holway Consols Mine]		withheld	Lead	Not known	Not known	-
N151	Great New Westminster Mine [see Brynalyn Mine]		withheld	Lead	Not known	Not known	-
N152	Groesffordd Mine		withheld	Lead	Not known	Not known	-
N153	Gronant Mine		withheld	Lead	Not known	Not known	-
N154	Grosvenor Mine		withheld	Lead Silver	Not known	Not known	-
N155	Gwaenysgor Mine		withheld	Lead Zinc	Not known	Not known	-
N156	Gwaynygog Mine [see Denbigh West Mine]		withheld	Lead	Not known	Not known	-
N157	Gwernaffield Mine [see Hafod Mine]		withheld	Lead	Not known	Not known	-
N158	Gwernymynydd Mine		withheld	Lead Silver Zinc	Not known	Not known	-
N159	Gwernymynydd Farm Mine		withheld	Lead	Not known	Not known	-
N160	Gwter Siani Mine [see Nant-y-Cwm Mawr Mine]		withheld	Lead	Not known	Not known	-
N161	Gwter Siani Mine		withheld	Lead	Not known	Not known	-
N162	Gwrych Castle Mine [sometimes called Cefn-yr-Ogof Mine]		withheld	Lead	Not known	Not known	-
N163	Gyrn Mine		withheld	Lead	Not known	Not known	-
N164	Hafod Mine [aka Gwernaffield Mine]		withheld	Lead	Not known	Not known	-
N165	Hafod Mine [see Mostyn Mine]		withheld	Lead	Not known	Not known	-
N166	Hafod Farm Mine		withheld	Lead	Not known	Not known	-
N167	Hafod Hwntw Mine [aka Llandegla Mine]		withheld	Lead	Not known	Not known	-
N168	Hafod-y-Gog Mine		withheld	Copper	Not known	Not known	-
N169	Halkyn Mine [aka Pen-y-Bryn Mine]		withheld	Lead	Not known	Not known	-
N170	Halkyn Deep Level Tunnel		withheld	Lead	Not known	Not known	-
N171	Halkyn District Mine [see Rhosesmor Mine]		withheld	Lead Zinc	Not known	Not known	-
N172	Halkyn District United Mine		withheld	Lead	Not known	Not known	-
N173	Halkyn Hall Mine		withheld	Lead	Not known	Not known	-
N174	Halkyn Mountain Mine [aka West Halkyn Mine]		withheld	Lead	Not known	Not known	-
N175	Halkyn Pantyffrith Mine [see Halkyn Pantygo Mine]		withheld	Lead	Not known	Not known	-
N176	Halkyn Pantygo Mine [aka Halkyn Pantyffrith Mine]		withheld	Lead	Not known	Not known	-
N177	Halkyn Rhydymwyn Mine [see South Halkyn Mine]		withheld	Lead	Not known	Not known	-
N178	Halkyn Tunnel		withheld	Lead	Not known	Not known	-
N179	Hawarden Bridge Iron Works		withheld	Iron	Not known	Not known	-
N180	Hawarden Iron Works		withheld	Iron	Not known	Not known	-
N181	Hazel Grove Mine		withheld	Lead Silver	Not known	Not known	-
N182	Hendre Mine		withheld	Lead Limestone	Not known	Not known	-
N183	Hendre Ddu Mine		withheld	Lead	Not known	Not known	-
N184	Hendre Figallt Mine		withheld	Lead	Not known	Not known	-
N185	Hendre Spar Mine		withheld	Calcite	Not known	Not known	-
N186	Henfryn Hall Mine		withheld	Iron	Not known	Not known	-
N187	Herward United Mine		withheld	Lead	Not known	Not known	-
N188	Holway Consols Mine [aka Holway United Mine]		withheld	Lead Silver	Not known	Not known	-
N189	Holway District Mine [aka West Holway Mine & Golch Hill Mine]		withheld	Lead	Not known	Not known	-
N190	Holway Rake Mine [aka Holywell Level]		withheld	Lead	Not known	Not known	-
N191	Holway United Mine [see Holway Consols Mine]		withheld	Lead Silver	Not known	Not known	-
N192	Holywell Lead Smelter [see Llannerch-y-Mor Lead Smelter]		withheld	Lead	Not known	Not known	-
N193	Holywell Level [see Holway Rake Mine]		withheld	Lead	Not known	Not known	-
N194	Hope Mountain Mine		withheld	Lead Silver	Not known	Not known	-
N195	Hopewell Mine		withheld	Lead Silver	Not known	Not known	-
N196	Hopewell Mine [see Pantasalph Mine]		withheld	Lead Silver	Not known	Not known	-
N197	Horsedd Mine		withheld	Lead	Not known	Not known	-
N198	Jamaica Mine		withheld	Lead Silver	Not known	Not known	-
N199	Kelston Farm Mine		withheld	Lead Zinc	Not known	Not known	-
N200	Kimmel Manor Mine		withheld	Lead	Not known	Not known	-
N201	Lixwm Mine		withheld	Lead Silver	Not known	Not known	-
N202	Llanarmon Mine		withheld	Lead Silver	Not known	Not known	-
N203	Llandegla Mine [see Hafod Hwntw Mine]		withheld	Lead	Not known	Not known	-
N204	Llannerch-y-Mor Lead Smelter [aka Holywell Lead Smelter]		withheld	Lead	Not known	Not known	-
N205	Llanfair Mine		withheld	Copper	Not known	Not known	-
N206	Llangollen Mine		withheld	Lead Barytes	Not known	Not known	-
N207	Llangynhafal Mine [see Nantpetre Mine]		withheld	Lead Barytes	Not known	Not known	-
N208	Llangynog Mine		withheld	Lead	Not known	Not known	-
N209	Lloc Mine [aka West Merllyn Mine]		withheld	Lead	Not known	Not known	-
N210	Llongle Mine [see Caeau MIne]		withheld	Lead	Not known	Not known	-
N211	Llwyn Hen-Parc Mine		withheld	Lead	Not known	Not known	-
N212	Llwyn-y-Cosyn Mine		withheld	Lead	Not known	Not known	-
N213	Llynypandy Mine		withheld	Lead	Not known	Not known	-
N214	Long Rake Mine		withheld	Lead Silver	Not known	Not known	-
N215	Lord Hill Mine		withheld	Lead Silver	Not known	Not known	-
N216	Lord Hill Mine [see Pantasalph Mine]		withheld	Lead Silver	Not known	Not known	-
N217	Lower Eisteddfod Mine [see Caepant Mine]		withheld	Lead	Not known	Not known	-
N218	Lower Park Mine		withheld	Lead	Not known	Not known	-
N219	Maen di Golchwyn Mine [see Blaen-y-Nant Mine]		withheld	Lead	Not known	Not known	-
N220	Maenbras Mine		withheld	Lead Silver	Not known	Not known	-
N221	Maes Maelor Mine		withheld	Lead	Not known	Not known	-
N222	Maes-y-Pwll Mine		withheld	Lead	Not known	Not known	-
N223	Maeshafn Mine		withheld	Lead	Not known	Not known	-
N224	Maeshafn Moel Findeg Mine		withheld	Lead Zinc	Not known	Not known	-
N225	Maeslygan Mine		withheld	Lead Silver	Not known	Not known	-
N226	Marian Ffrith Mine		withheld	Lead	Not known	Not known	-
N227	Marian Mawr Mine		withheld	Iron	Not known	Not known	-
N228	Merllyn Lane Lead Smelter		withheld	Lead	Not known	Not known	-
N229	Merllyn Mine		withheld	Lead Silver	Not known	Not known	-
N230	Milwr Lead Mine		withheld	Lead	Not known	Not known	-
N231	Milwyr Tunnel		withheld	Lead	Not known	Not known	-
N232	Minera Mines		withheld	Lead	Not known	Not known	-
N233	Minera Nant Mine		withheld	Lead	Not known	Not known	-
N234	Minera Ragman Quarry		withheld	Lead Silver	Not known	Not known	-
N235	Minera Quarry		withheld	Lead Zinc	Not known	Not known	-
N236	Minera Union Mine		withheld	Lead Silver	Not known	Not known	-
N237	Miners Arms Meliden		withheld	Lead	Not known	Not known	-
N238	Moel Arthur Mine		withheld	Gold	Not known	Not known	-
N239	Moel Dwyll Mine		withheld	Gold	Not known	Not known	-
N240	Moel Famau Mine		withheld	Lead	Not known	Not known	-
N241	Moel Fferna Mine		withheld	Slate	Not known	Not known	-
N242	Moel Hen-Fache Mine		withheld	Lead	Not known	Not known	-
N243	Moel Hiraddug Mine		withheld	Iron	Not known	Not known	-
N244	Moel Llys y Coed Mine		withheld	Lead Gold	Not known	Not known	-
N245	Moel Unben Mine		withheld	Lead	Not known	Not known	-
N246	Moel y Faen Mine		withheld	Slate	Not known	Not known	-
N247	Moel y Gaer Mine		withheld	Lead	Not known	Not known	-
N248	Moel-y-Crio Mine		withheld	Lead	Not known	Not known	-
N249	Mold Cadole Mine		withheld	Lead Zinc	Not known	Not known	-
N250	Mold Pantymwyn Mine		withheld	Lead	Not known	Not known	-
N251	Mostyn Mine [aka Hafod Mine]		withheld	Lead	Not known	Not known	-
N252	Mount Pleasant Mine		withheld	Lead Silver	Not known	Not known	-
N253	Mountain Lodge Mine		withheld	Lead	Not known	Not known	-
N254	Mwynbwll Mine [ aka Fagnallt Mine]		withheld	Lead	Not known	Not known	-
N255	Mwnglawdd Cwm Orog Mine		withheld	Lead	Not known	Not known	-
N256	Mynydd Bodran Mine		withheld	Copper	Not known	Not known	-
N257	Mynydd Du Mine		withheld	Lead	Not known	Not known	-
N258	Nant Adda Level		withheld	Lead	Not known	Not known	-
N259	Nant Mine		withheld	Lead	Not known	Not known	-
N260	Nantfigalt Mine [see Wern-y-Gaer Mine]		withheld	Lead	Not known	Not known	-
N261	Nant Uchaf Mine		withheld	Iron Manganese	Not known	Not known	-
N262	Nant-y-Cwm Mawr Mine [aka Gwter-Siani Mine]		withheld	Lead	Not known	Not known	-
N263	Nant-y-Ffrith Mine [see Coed Mawr Mine]		withheld	Lead	Not known	Not known	-
N264	Nant-y-Fuwch Mine		withheld	Lead	Not known	Not known	-
N265	Nant-y-Plwm Mne		withheld	Lead	Not known	Not known	-
N266	Nantpetre Mine [aka Llangynhafal Mine]		withheld	Lead Barytes	Not known	Not known	-
N267	Nantygo Mine		withheld	Lead	Not known	Not known	-
N268	Nantymwyn Mine		withheld	Lead	Not known	Not known	-
N269	New Caeau Mine [see Caeau MIne]		withheld	Lead	Not known	Not known	-
N270	New North Halkyn Mine [see Central Halkyn Mine]		withheld	Lead	Not known	Not known	-
N271	New Westminster Mine [aka East Long Rake Mine]		withheld	Lead Silver	Not known	Not known	-
N272	North Henblas Mine		withheld	Lead	Not known	Not known	-
N273	North Hendre Mine [aka Olwyn Goch Mine]		withheld	Lead	Multi-entrance mine	Not known	-
N274	North Pantygo Mine [aka Brynparade Mine + Colossus Mine or West Pantygo Mine]		withheld	Lead Silver Zinc	Not known	Not known	-
N275	Ochr-y-Gop Mine		withheld	Lead	Not known	Not known	-
N276	Old Rake Mine		withheld	Lead Silver	Not known	Not known	-
N277	Olwyn Goch Mine [see North Hendre Mine]		withheld	Lead Limestone	Shaft	Locked - accessible	-
N278	Owain Glyndwr Mine [see Fronissa Mine]		withheld	Lead Silver	Not known	Not known	-
N279	Pant Du Mine		withheld	Lead	Not known	Not known	-
N280	Pantasalph Mine [aka Hopewell Mine + Lord Hill Mine & St David's Mine]		withheld	Lead Silver	Not known	Not known	-
N281	Pantybuarth Mine		withheld	Lead	Not known	Not known	-
N282	Park Mine		withheld	Lead	Not known	Not known	-
N283	Pen-y-Bryn Mine [see Halkyn Mine]		withheld	Lead	Not known	Not known	-
N284	Pen y Mynydd Mine		withheld	Gold	Not known	Not known	-
N285	Penarth Mine		withheld	Slate	Not known	Not known	-
N286	Penmachno Mine		withheld	Gold	Not known	Not known	-
N287	Pennant Mine		withheld	Lead	Not known	Not known	-
N288	Pentre Saison Iron Works		withheld	Iron	Not known	Not known	-
N289	Penyfron Mine [aka Bryncelyn Mine and West Bryncelyn Mine]		withheld	Lead Silver Zinc	Not known	Not known	-
N290	Pen-yr-Henblas Mine		withheld	Lead	Not known	Not known	-
N291	Pilkington's Mine [see West Cathole Mine]		withheld	Lead	Not known	Not known	-
N292	Plas Newydd Mine [aka Cefn Mine]		withheld	Lead Silver	Not known	Not known	-
N293	Pool Park Mine		withheld	Lead	Not known	Not known	-
N294	Pwllhelyg Mine [see Brynalyn Mine]		withheld	Lead	Not known	Not known	-
N295	Rhes-y-Cae Mine		withheld	Lead	Not known	Not known	-
N296	Rhiw Goch Mine		withheld	Slate	Not known	Not known	-
N297	Rhosesmor Mine [aka Halkyn District Mine]		withheld	Lead Zinc	Not known	Not known	-
N298	Rhydalyn Mine [aka South Llynypandy Mine]		withheld	Lead	Not known	Not known	-
N299	Rhydfud Mine [see Caeau MIne]		withheld	Lead	Not known	Not known	-
N300	Sandycroft Iron Works		withheld	Iron	Not known	Not known	-
N301	South Halkyn Mine [aka Halkyn Rhydymwyn Mine]		withheld	Lead	Not known	Not known	-
N302	South Llynypandy Mine [see Rhydalyn Mine]		withheld	Lead	Not known	Not known	-
N303	South Minera Mine		withheld	Lead	Not known	Not known	-
N304	South & West Hendre Mine		withheld	Lead	Not known	Not known	-
N305	St David's Mine [see Pantasalph Mine]		withheld	Lead Silver	Not known	Not known	-
N306	St Winifred Mine [see Coetia Ball Mine]		withheld	Lead	Not known	Not known	-
N307	Talacre Mine		withheld	Lead	Not known	Not known	-
N308	Talargoch Mine		withheld	Lead	Not known	Not known	-
N309	Top Eisteddfod Mine		withheld	Lead	Not known	Not known	-
N310	Trelogan Mine		withheld	Lead	Not known	Not known	-
N311	True Blue Mine [see Cross Leavings Mine]		withheld	Lead	Not known	Not known	-
N312	Twelve Apostles Mine		withheld	Lead	Not known	Not known	-
N313	Ty Brith Mine		withheld	Lead	Not known	Not known	-
N314	Ty'n y Celyn Mine		withheld	Lead Barytes	Not known	Not known	-
N315	Ty'n-y-Ddol Mine		withheld	Copper	Not known	Not known	-
N316	Valentine Mine [see Brynford Mine]		withheld	Lead Silver	Not known	Not known	-
N317	Wacco Mine [see Bryn-y-Gaseg Mine]		withheld	Lead	Not known	Not known	-
N318	Wern-y-Gaer Mine [aka Nantfigallt Mine]		withheld	Lead	Not known	Not known	-
N319	West Bryncelyn Mine [see Penyfron Mine]		withheld	Lead Silver Zinc	Not known	Not known	-
N320	West Cathole Mine [aka Pilkington's Mine]		withheld	Lead	Not known	Not known	-
N321	West Denbigh Mine [aka Gwaynygog Mine]		withheld	Lead	Not known	Not known	-
N322	West Halkyn Mine [see Halkyn Mountain Mine]		withheld	Lead	Not known	Not known	-
N323	West Holway Mine [see Holway District Mine]		withheld	Lead	Not known	Not known	-
N324	West Merllyn Mine [see Lloc Mine]		withheld	Lead	Not known	Not known	-
N325	West Pantygo Mine [see North Pantygo Mine]		withheld	Lead Silver Zinc	Not known	Not known	-
N326	Westminster Bog Mine		withheld	Lead	Not known	Not known	-
N327	World's End Mine [see Eglwyseg Mine]		withheld	Lead Silver	Not known	Not known	-
N328	Wynne Mine		withheld	Slate	Not known	Not known	-