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Mine Exploration Forum

Author Cwmmaengwynedd aka Maengwynedd
ivortheengine

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Cwmmaengwynedd aka Maengwynedd
Posted: 02/10/2017 21:27:52
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Sorry, I am being very vague indeed, and not deliberately. This slate mine is near Pistyll Rhaeadr aka Rhaeadr Falls. If you've been there, you might know the answer, if you haven't, don't worry because the vague location description won't even matter!

A book I glanced - cover too faded to read but I recall it was printed 1968 and probably entitled "The history of the Tanat Valley" shows this slate mine and features a hand drawn site layout with mention of a "tunnel" which I take to mean a stone lined adit leading to workings. Having found the other adits shown, the "tunnel" remains elusive, though this is unsurprising since it's location looks to be (now - perhaps - hand drawn maps - sketchy details) covered in a pine plantation. The Coflein website ominously mentions a "boggy strip about 3metres wide and 15metres long" which MIGHT be the (now collapsed) adit.... or might just be a boggy strip to go with all the other trickles of water across the site which are sub-surface just below the mattress of grass.

So, the question is, does the stone lined adit still exist (hidden in, I guess, the incredibly dense dark plantation that's a tw*t to move amongst) or has it been flattened as the Coflein entry might indicate?
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NewStuff

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Cwmmaengwynedd aka Maengwynedd
Posted: 03/10/2017 17:46:16
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It seems to be run, at least it does from the distance we were.
It is in the boggy area described, and is probably the cause of the boggy area, there isn't any noticeable gully or other means of transporting runoff from further up the hill. We were not equipped to go any further to see if it could be accessed.



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sinker

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Cwmmaengwynedd aka Maengwynedd
Posted: 03/10/2017 18:16:13
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NewStuff wrote:



It seems to be run....

It is in the boggy area described, and is probably the cause of the boggy area....



Agreed. We passed it on the way "somewhere else" a few years back.

My mate Mal, born and bred in Coedpoeth but seemingly a NON Welsh speaker, was trying to describe it and the conversation went along the lines of:

"Its in the trees near a place called Pistol Rider."

Pistol Rider...?? Never heard of it.

"Yeah you know....PISTOL RIDER....its Welsh...summit to do with a spring and a waterfall...."

Eventually the penny dropped.

Pistyll Rhaeadr.

https://en.wikipedia.org/wiki/Pistyll_Rhaeadr



Surrender

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mikehiggins

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Cwmmaengwynedd aka Maengwynedd
Posted: 04/10/2017 10:46:41
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The book to which the OP refers is called "The Tanat Valley - Its Railways and Industrial Archaeology" by Wilfrid J Wren. Well worth a read if you can get hold of a second-hand copy. I had a good look round the Cwm Maengwynedd site about 30-odd years ago and if you have a look at the photos I posted on here back in 2013 you'll find one of the "tunnel" entrance and another of the interior from as far as I could get into the adit before the water got too deep (not dressed for the underground at the time unfortunately). There is no lining to the adit, it's just driven through solid rock. IP: 81.129.137.245
NewStuff

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Cwmmaengwynedd aka Maengwynedd
Posted: 04/10/2017 19:42:00
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The "boggy area" where there is almost certainly another adit is at 52.881846, -3.371911, and evidenced by the tips on satellite imagery. Go to the drumhouse from the path, and continue along the path, rather up than through the forest on the path you have to fight to find in the trees.

EDIT:- I'm fairly sure this is the view from there, the "boggy" adit being in the vicinity of where this shot by Mike was taken.


(click image to open full size image in new window)

The accessible adit in the photos by both Mike and myself is the higher one, and is on the "main" site. It's now deeper then Mikes photo's, (Straight to your knees, gets deeper) but the level would be easily dropped.

https://www.aditnow.co.uk/Mines/Cwmmaengwynedd-Slate-Mine_1053/

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IP: 88.97.32.83 Edited: 04/10/2017 19:44:37 by NewStuff
ivortheengine

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Cwmmaengwynedd aka Maengwynedd
Posted: 05/10/2017 01:54:45
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Thanks, responders!

The book is indeed the Wilfrid J. Wren book.

My interpretation of the maps within lead me to believe that there were (are?) at least two adits, one of which is the welly depth adit cut into stone, but the other, a stone lined adit.

Annoyingly I no longer have the book to refer to.

The mine is near a friends place and a return visit is planned.
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mikehiggins

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Cwmmaengwynedd aka Maengwynedd
Posted: 05/10/2017 10:09:38
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Yes, I think it quite possible from New Stuff's comments that there could be another adit, the "tunnel" referred to by Wren. As far as I can recall he doesn't used this terminology for any adits elsewhere in the book. I'm off to Crete literally in the next few minutes but when I get back I'll scan the plan from Wren's book and post it on here (unless anyone else has it and beats me to it). IP: 81.129.137.245
NewStuff

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Cwmmaengwynedd aka Maengwynedd
Posted: 05/10/2017 13:30:30
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I've annotated a Google Maps screenshot, it may help. Click for larger image.


(click image to open full size image in new window)

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IP: 88.97.32.83 Edited: 05/10/2017 13:34:58 by NewStuff
ivortheengine

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Cwmmaengwynedd aka Maengwynedd
Posted: 08/10/2017 23:31:34
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OK thanks all.

I will be doing a return visit, but unsure when. I think the "tunnel" is def worth further investigation, and this time dry socks will be packed for the wet adit.
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mikehiggins

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Cwmmaengwynedd aka Maengwynedd
Posted: 14/10/2017 12:20:19
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Back from holiday now and as promised I've uploaded a copy of Wren's plan to documents associated with Cwmmaengwynedd. Hope that folk find this useful. IP: 81.129.137.245
ivortheengine

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Cwmmaengwynedd aka Maengwynedd
Posted: 04/12/2017 00:44:41
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mikehiggins wrote:

Back from holiday now and as promised I've uploaded a copy of Wren's plan to documents associated with Cwmmaengwynedd. Hope that folk find this useful.


Thanks Mike.

Having visited again I am pretty sure that the "tunnel" on Wilfrid J. Wren's map is in fact the welly-deep adit, which matches the "tunnel"s described dimensions. The book is correct, there are certainly some 'interesting' remains in the caverns beyond, inc some laboratory equipment and a suitcase containing a blanket and some welder's gloves Blink

The lower tip, beyond the embankment which is on the tramway beyond the drumhouse wheels does indeed look at have an eminently diggable adit nearby. Anyone like digging through couch grass swamp?
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crickleymal

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Cwmmaengwynedd aka Maengwynedd
Posted: 04/12/2017 12:20:43
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What does the writing in red on the picture say please? I just can't read it even with zooming in.

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Malc. Rusted and ropey, Dog eared old copy Vintage and classic or just plain Jurassic All words to describe me.
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Willy Eckerslyke

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Cwmmaengwynedd aka Maengwynedd
Posted: 04/12/2017 12:47:52
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crickleymal wrote:

What does the writing in red on the picture say please? I just can't read it even with zooming in.

Looks like "Boggy Area" to me.
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crickleymal

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Cwmmaengwynedd aka Maengwynedd
Posted: 04/12/2017 15:14:31
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Thanks

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Malc. Rusted and ropey, Dog eared old copy Vintage and classic or just plain Jurassic All words to describe me.
IP: 194.176.105.144
NewStuff

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Cwmmaengwynedd aka Maengwynedd
Posted: 04/12/2017 20:39:52
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Willy Eckerslyke wrote:

crickleymal wrote:

What does the writing in red on the picture say please? I just can't read it even with zooming in.

Looks like "Boggy Area" to me.


It is. Image compression killed the detail.

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