Welsh Mines Society
Cymdeithas Mwyngloddiau Cymru


Summer Meet - Weekend 10th - 11th June 2017
North Wales : Llangynog Area, Powys
Cwm Orog Mine & Craig y Mwyn Mine
[
Current OS Map : Explorer 1:25,000 Sheet 255, 'Llangollen and Berwyn' ]

Based at the New Inn, Llangynog.

Organisers & Leaders
 Neil Culross and Raymond Griffiths

Introduction :

The area around Llangynog, in the upper reaches of the Tanat Valley, is riddled with the remains of the extractive industries for stone, slate, and metal ores of lead, zinc and copper.

The industrial archaeology of the region is covered in the publication "The Tanat Valley : Its railways and industrial archaeology", 1968, by Wilfrid J. Wrenwell, published by David & Charles.

The metal mines visited are described in "Mountains and Orefields : Metal Mining Landscapes of Mid and North East Wales", CBA RR142, 2004, 192pp., by Nigel Jones, Mark Walters and Pat Frost.
This can be downloaded (61.3 MB), free of charge, from the Archaeology Data Service library.

A more detailed description of all the mines in the district can be found in fellow WMS member Alan Williams' excellent publication : British Mining No.26 "The Old Mines of the Llangynog District", 1985, 128pp., as published by the Northern Mines Research Society.
View an extract here, or buy the complete publication as a download in pdf from NMRS (great value @ 5.00).

As to the programme of events, this was as follows :

  • Saturday 10th June - Cwm Orog Mine, Llangynog.

Met in the car park in the centre of Llangynog at 11.00 am.  There are toilets here and the pub should be open for refreshments.  As there is limited parking at the site, participants shared transport to the roadside below Cwm Orog mine, about 1 km towards Bala at NGR : SJ 045 273 (View 1:25,000 OS Map).

There is a layby down the road from the site and one above.  The road entrance to Waen and the Cwm Orog estate should not be used unless absolutely necessary as access is needed to the nearby rifle range. (The operator advised that the chance of being hit by a stray round is fairly small).
The mine site is on open land and there will be no fences to climb.  The planned route was to undertake the steep climb to the top end of the site, have lunch and then explore the remains on the way down.
There is a full description of the site in Mountains and Orefields pp 44-53.

The Craig Rhiwarth slate quarries were explored by those with spare time, following their return to the village.

  • Saturday Evening

Dinner 7.00 pm  for 7.30 pm, at the New Inn, Llangynog, Powys, SY10 0EX
 (NGR : SJ 054 260 - View road atlas or 1:50,000 OS Map)
Tel. : 01691 860 229  e-mail : nianewinn@icloud.com

A copy of the menu (available here) was included with Spring 2017 Newsletter.

  • Sunday 11th June - Craig y Mwyn Mine, Llanrhaiadr ym Mochnant.

Met at Tan y Pistyll at NGR : SJ 074 295 (View 1:50,000 OS Map) at 10.30 am.
From Llangynog, it takes 20 -30 min. to drive to Tan y Pistyll.  The narrow road from Llanrhaiadr ym Mochnant is likely to be busy in June so an early start was recommended.  There is parking at the cafe just below the waterfall, and also limited roadside parking on the approach to the cafe area.

We walked along the course of the leat from the waterfall to the site of Craig y Mwyn lead mine.  The main points of interest are the hushing reservoirs and channels at the upper end of the mine, again entailing a steep climb.
This site is also described in Mountains and Orefields pp.29-35.


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This page last updated on 2nd March 2019
Mike Munro