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Mine Exploration Forum

Author Halkyn District United Mines
rufenig

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Joined: 18/03/2008
Location: Shropshire Hills

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Halkyn District United Mines
Posted: 20/10/2019 16:17:25
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Britain's longest tunnel network lies hidden under the Flintshire hills
It's well known among the caving community, but lying beneath Flintshire is what is believed to be Britain's longest network of underground tunnels.

The Halkyn District United Mines extending over 60 miles is made up of a labyrinth of mines, lodes and natural caves over several levels.

(Includes UCET video.)
https://www.dailypost.co.uk/news/north-wales-news/britains-longest-tunnel-network-lies-17103017
IP: 51.9.104.233 Edited: 20/10/2019 16:18:58 by rufenig
The Fresh Prince of Portreath

Joined: 05/08/2015

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Halkyn District United Mines
Posted: 20/10/2019 19:10:37
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Is the video (currently unavailable) the through trip carried out by a set of blokes from a pub, punctured boats, etc.

If it was, it is hands down the most awesome thing I've seen on the internet relating to mine exploring/trips.

Utterly amazing. Thumbs Up
IP: 89.238.150.4
Vanoord

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Joined: 28/11/2005
Location: North Wales

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Halkyn District United Mines
Posted: 20/10/2019 19:44:21
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No doubt United Utilities will be particularly pleased to see their mine workings in glorious colour on the Daily Post's website. Not.

Given they have a legal obligation to keep the place safe and secure, the probable result will unlikely be great for access.

What is it about Facebook that makes people post the most sensitive sites they can do, just to get 'likes'?

Please, people, if you are reading this and are thinking about posting sensitive sites to Facebook, have a think about whether you're happy to be risking access in the future - because that's precisely what you are doing.


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IP: 109.148.126.105
Brakeman

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Joined: 10/10/2007
Location: Cheshire

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Halkyn District United Mines
Posted: 20/10/2019 21:12:11
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The video on the link is not the Milwr tunnel trip no, it is the upper HDL a short trip from the portal to the collapse, not very far 1/4 mile or so, did use to be a lot further (1980's) but runs through shale and is badly collapsed & holding back a lot of water now.


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The management thanks you for your co operation.
IP: 82.7.248.110
robnorthwales

Joined: 21/05/2008
Location: Denbighshire, North wales

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Halkyn District United Mines
Posted: 20/10/2019 22:53:11
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I pity anyone who tries their first 'explore' in HDL.

Last time I went in there the mud / slurry was well over knee deep, and really hard work.

Looks like someone has been doing a bit of work in there, possibly ?

IP: 37.152.238.246
JohnnearCfon

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Joined: 22/12/2005
Location: Sir Caernarfon

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Halkyn District United Mines
Posted: 21/10/2019 13:11:28
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rufenig wrote:

Britain's longest tunnel network lies hidden under the Flintshire hills
It's well known among the caving community, but lying beneath Flintshire is what is believed to be Britain's longest network of underground tunnels.



Surely the London Underground network might hold that title? Big GrinBig Grin
IP: 86.147.48.202 Edited: 21/10/2019 13:11:55 by JohnnearCfon
The Fresh Prince of Portreath

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Halkyn District United Mines
Posted: 21/10/2019 13:30:08
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From what I gather, there was a biblical amount of tw@erry about access, caving clubs, people getting all legal on behalf of others, etc. It was disappointing to see that the politics branch of caving had really let themselves down.

I'm pretty sure someone had been doing some work in there recently (tunnel blockage) and the guys that did the mega shaft (not olwyn goch) to the portal went through the collapse, or what was there of it. It looked absolutely awesome.

It's funny how people start reciting laws, pandering to authority and getting all strutty like peacocks when access nonsense rears it's head.

Caving has a great bunch of people, it's such a shame that some of them are so obsessed with access and empire.

IP: 89.238.154.171
ant89

Joined: 01/04/2013
Location: Wrexham

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Halkyn District United Mines
Posted: 27/10/2019 17:18:11
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robnorthwales wrote:

I pity anyone who tries their first 'explore' in HDL.

Last time I went in there the mud / slurry was well over knee deep, and really hard work.

Looks like someone has been doing a bit of work in there, possibly ?

UCET did attempt to start a dig through the collapse 2 ish years ago but we decided that the work required would be more than the club would be willing to commit to. We managed to put a boat in there to help move materials and build 2 harbours, but, nothing more.
IP: 87.113.150.53
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