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who served as MP for that city from 1837 to 1841. Muskett's tenure was not successful, and by 1840 the quarry was failing. Many of the quarrymen went unpaid and they resorted to selling slates directly instead of through the company. Muskett fled the country in 1842, leaving behind debts of £10,000
272:
Quarrying later resumed at
Cilgwyn but it failed again between 1843 and 1844, closing with debts of around £20,000. Cilgwyn was operating again by the 1850s and developed four main pits. In 1882, 7,430 tons of finished slate were produced. Between 1864 and 1895 between 200 and 304 workers were
300:
to the south-east. Earlier in its history there were a larger number of smaller pits. The mills stood on top of significant waste tips to the south and east of the pits. A tramway north ran from the mills to another waste-tipping site to the north of the quarry at Bryn Hyfryd
Terrace.
345:) gauge tramways. These served the three main pits and the waste tips. A mile-long tramway ran from the mills round a horseshoe curve to a waste tip on the north side of Mynydd y Cilgwyn. In 1923 a connection was made from this tramway to the line connecting Fron quarry to
407:
The quarry ceased to send slate via the Welsh
Highland Railway in 1935 when a new road was constructed down to Talysarn. From that point all slate left the quarry by road.
615:
260:
solicitor John Evans. By the 1820s it had been taken over by the
Cilgwyn and Cefn Du Slate Company, though this company collapsed in 1831. It was then taken over by
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Quarrying at
Cilgwyn dates back to the 12th century. By the end of the 18th century a large number of small pits had grown into a substantial working.
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In the early 2000s, the quarry was used as a waste dump by the local council, but landfill activity ceased in
January 2009.
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employed at
Cilgwyn; this had dropped to 51 to 102 between 1918 and 1937. Quarrying continued at Cilgwyn until 1956.
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233:. It is one of the earliest slate quarries in Great Britain, having been worked as early as the 12th century. King
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that dropped from the
Cilgwyn mill level through Gallt-y-fedw quarry to a junction at
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Narrow Gauge
Railways in South Caernarvonshire, Vol. 2 The Welsh Highland Railway
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The ex-Cilgwyn steam locomotive "Lilla" shown visiting the
Llanberis Lake Railway
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392:. The steam locomotives were replaced with a number of diesels. One of these –
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The quarry used at least three steam locomotives internally from 1876:
269:(equivalent to £1,071,932 in 2016); he died in exile a year later.
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was reputed to have stayed in a house roofed by Cilgwyn slates during
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works number 175414 of 1936 – survives in preservation at the
349:. This allowed slates to be dispatched from Cilgwyn onto the
114:
380:. Lilia and Jubilee 1897 were sold in 1928 for use on the
404:; it worked at Cilgwyn quarry between 1936 and 1940.
256:
The Cilgwyn Quarry Company was formed in 1800 by the
570:"Waste water treatment plant for closed Cilgwyn tip"
337:. Internally the quarry had an extensive network of
1340:
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384:and both survived into preservation – Lilla on the
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430:. National Library of Wales. 2013. Archived from
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8:
21:
618:. Bala Lake Railway Society. Archived from
556:A history of the North Wales slate industry
724:
710:
702:
20:
428:"Bangor University Cilgwyn Quarry Papers"
243:slate quarries in the Nantlle Valley area
541:The Slate Regions of North and Mid Wales
521:. Vol. 28, no. 3. August 1907.
477:. National Slate Museum. Archived from
416:
400:in Llanberis where it carries the name
597:
586:
515:"History of Slate and Slate Quarrying"
456:
445:
657:Industrial Locomotives of North Wales
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422:
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16:Former slate quarry in Gwynedd, Wales
7:
503:. Gwynedd Archives. 17 October 2002.
317:Cilgwyn quarry was connected to the
288:quarry comprising three main pits:
14:
225:located on the north edge of the
1427:
475:"Timeline: Some Important Dates"
55:
48:
27:
56:
33:The main pit at Cilgwyn in 2006
659:. Industrial Railway Society.
519:Stone; an Illustrated Magazine
1:
684:. The Oakwood Press, Oxford.
644:. Ffestiniog Railway Society.
583:(Map). Ordnance Survey. 1889.
390:Narrow Gauge Railway Museum
1477:
501:"The History Of Quarrying"
1421:
680:James I. C. Boyd (1989).
616:"Lilla HE 554 ex-B.L.Rly"
241:. It is one of the major
43:
26:
1249:Rhiw-goch (Denbighshire)
795:Fron-Boeth and Pant-Mawr
642:"Lilla Locomotive Group"
388:and Jubilee 1897 at the
319:3 ft 6 in
1456:Slate mines in Gwynedd
1234:Deeside and Moelfferna
558:. David & Charles.
554:Lindsay, Jean (1974).
455:Cite journal requires
382:Penrhyn Quarry Railway
351:Welsh Highland Railway
314:
539:Richards, Alun John.
398:National Slate Museum
312:
262:George Alfred Muskett
239:his conquest of Wales
733:Welsh slate quarries
655:Vic Bradley (1993).
481:on 28 September 2013
434:on 28 September 2013
394:Ruston & Hornsby
142:53.06139°N 4.23861°W
1373:Frongoch (Aberdyfi)
572:. BBC. 5 June 2010.
292:to the north-east,
235:Edward I of England
138: /
23:
855:Votty & Bowydd
741:Blaenau Ffestiniog
386:Ffestiniog Railway
315:
147:53.06139; -4.23861
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1322:Dandderwen quarry
1135:Rhiw-goch (Conwy)
1012:Bryn Hafod-y-Wern
622:on 1 October 2013
596:Missing or empty
543:. pp. 68–69.
368:, a large quarry
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1403:Rhyd-yr-Onen
1398:Penrhyn-gwyn
1184:Nantlle Vale
1168:
1056:Chwarel Fawr
1022:Pantdreiniog
948:Aberllefenni
929:Dulas Valley
919:Tal y Mieryn
785:Cwt y Bugail
691:085361-383-4
681:
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626:27 September
624:. Retrieved
620:the original
610:
598:|title=
578:
564:
555:
549:
540:
518:
509:
495:
485:26 September
483:. Retrieved
479:the original
469:
448:cite journal
438:26 September
436:. Retrieved
432:the original
406:
401:
374:Jubilee 1897
373:
365:
357:
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316:
297:
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275:
271:
255:
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223:slate quarry
218:
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197:12th century
69:Location in
18:
1353:Bryn Eglwys
1278:Ty'n-y-coed
1239:Moel y Faen
1179:Moel Tryfan
1145:Ty'n-y-bryn
1105:Chwarel Ddu
1032:Tan-y-Bwlch
899:Gartheiniog
810:Maenofferen
760:Blaen y Cwm
376:, built by
343:610 mm
294:Old Cilgwyn
280:Description
231:North Wales
145: /
121:Coordinates
1450:Categories
1313:Llangolman
1210:Llangollen
1199:Tal-y-Sarn
1189:Pen-y-Bryn
1115:Cwm Eigiau
1017:Moel Faban
983:Llwyngwern
953:Braichgoch
943:Abercorris
909:Maesygamfa
894:Foel Dinas
884:Cae Abatty
875:Aberangell
411:References
258:Caernarfon
164:Production
157:SH 500 539
1393:Glyn-lago
1348:Bellstone
1288:Goleuwern
1164:Alexandra
1125:Hafod-Las
1066:Glyrhonwy
1042:Llanberis
904:Hendreddu
840:Penmachno
805:Llechwedd
800:Graig Ddu
780:Cwmorthin
339:2 ft
266:St Albans
133:4°14′19″W
130:53°3′41″N
1408:Rosebush
1358:Cwm Ebol
1341:Outliers
1293:Hen-Ddol
1273:Bryngwyn
1224:Cambrian
1208:Vale of
1174:Dorothea
1071:Marchlyn
1061:Dinorwic
1003:Bethesda
958:Cambergi
845:Rhiwbach
589:cite map
347:Bryngwyn
331:inclines
325:) gauge
298:Veingoch
286:opencast
169:Products
81:Location
39:Location
1388:Gilfach
1368:Dolgoch
1244:Penarth
1169:Cilgwyn
1051:Cefn Du
1027:Penrhyn
988:Ratgoed
973:Gaewern
963:Cymerau
914:Minllyn
860:Wrysgan
850:Rhosydd
830:Oakeley
820:Moelwyn
775:Croesor
770:Conglog
745:Croesor
402:Cilgwyn
370:Hunslet
362:Bagnall
358:Queenie
249:History
207: (
189:History
107:Country
100:Gwynedd
86:Nantlle
71:Gwynedd
63:Cilgwyn
22:Cilgwyn
1383:Glogue
1363:Darren
1264:Arthog
1229:Clogau
1219:Berwyn
1100:Cedryn
1076:Vivian
978:Hengae
688:
663:
202:Closed
194:Opened
183:Quarry
92:County
1254:Wynne
1090:Conwy
1086:Lledr
877:areas
815:Manod
753:areas
366:Lilla
229:, in
221:is a
173:Slate
111:Wales
98:(now
84:Near
1315:Area
1266:area
1212:area
1157:area
1140:Rhos
1120:Foel
1088:and
1044:area
1005:area
931:area
872:and
835:Parc
749:and
686:ISBN
661:ISBN
628:2013
602:help
487:2013
461:help
440:2013
372:and
360:, a
209:1956
205:1956
179:Type
968:Era
1452::
743:,
593::
591:}}
587:{{
527:^
517:.
452::
450:}}
446:{{
419:^
364:;
245:.
115:UK
113:,
747:,
725:e
718:t
711:v
694:.
669:.
630:.
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489:.
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459:(
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