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 Devil's Gorge (Caves)

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Ian
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PostSubject: Devil''s Gorge (Caves)   Sun 17 May 2009, 6:18 am

Location
SJ 189 642

Directions
Park at the top of Pantymwyn by the footpath that leads to Devil’s Gorge and walk down the path, across a stile/gate and follow the path through the woods and down past the bridge over Devil’s Gorge to the river below.

The river (Alyn) is generally dry in summer and running in winter

Access
No known permissions required except for cave #3 which is probably NWCC

Suggested Equipment
None

Length
Cave #1 ~ 30 feet
Cave #2 ~ 400 feet
Cave #3 ~ Unknown
Cave #4 ~ 50-60 feet
Cave #5 ~ 150 feet

Flood risk
Cave #1 ~ None Known
Cave #2 ~ None Known
Cave #3 ~ Very serious risk of flooding
Cave #4 ~ None Known
Cave #5 ~ None Known

Cave Attributes
Cave #1 ~ Phreatically formed with aven
Cave #2 ~ Phreatically formed
Cave #3 ~ River sink hole
Cave #4 ~ Phreatically formed with aven
Cave #5 ~ Phreatically formed and silted

Description

Cave #1
This cave is located in the rock face by the river and is on the left side of the gorge (on the left as you come down to the river).

The entrance is low and requires a decent “duck” to enter but it then opens into a roomy chamber.

At the back of the chamber, on the floor, is evidence of a “fill” which may yield a surprised if removed. It certainly appears that water runs through this scree fill with ease.

Above the chamber is a decent aven which is climbable but which tapers quickly (perhaps 20-30 feet) but which also gives away the secret of the formation of this cave as it is evidence of water flowing downwards and thusly creating the cave many eons ago.

Cave #2
Situated almost next to cave #1, this cave is at ground level and is a very squeezy crawl passage that runs into the rock face around 50 feet where you will encounter a squeezy (small) “U” bend under a rock (usually containing enough water to get you wet).

Beyond this squeeze you are in a roomy chamber at the back of which is another crawl passage (somewhat larger) which is at chest height and which meanders in a snake like manner downwards and towards (and underneath) the river. This passage eventually becomes too tight.

Cave #3
This is a sinkhole located at the very edge of the river in front of Caves #1 and #2. There is a locked, gated entrance which covers a short drop into a passage below. During winter, water flows freely across this and it assumed the whole passage is submerged. In summertime sometimes a small trickle of water makes it to the sink and disappears but in dryer times it is absent.

Cave #4
Situated a little further downstream from cave #3 (the other side of Devil’s Gorge), this cave is easy to miss as its entrance is around 12 foot from the river bed, is narrow and will be half hidden by fauna.

A scramble up and in yields a short passage with an aven which comes to a “T” junction. The passage continues both left and right (phreatic passage) and tapers to a too tight squeeze in both directions.

There are, however, some nice (but small) decorations in here.

Cave #5
Further still downstream from cave #4, this cave is around 50 feet up the bank (on the same side) and is virtually invisible from the riverbed.

The entrance is a roomy chamber with 3 apparent passages running off, two of which become very quickly dead.

The third passage contains glacial sediment/silt and although crawly, does bring you to a completely silted small chamber.

This cave may well yield a surprise if the sediment were to be removed although the passage is squeezy and a dig would be a pain (and would not necessarily yield a bigger passage beyond).

Unexplored Passages
Cave #1 ~ None
Cave #2 ~ None
Cave #3 ~ It remains unexplored
Cave #4 ~ None
Cave #5 ~ Beyond the silted area remains impassable

Digs
None Known

Links
None Known

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Ian
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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 6:20 am



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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 6:28 am



Stood inside the entrance of Cave #1





Climbing the aven in Cave #1

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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 6:37 am



The entrance crawl in Cave #2






Coming through the "U" bend into the chamber beyond in Cave #2






Looking along the chest high crawl at the back of the chamber in Cave #2






Some cans in the back passage of Cave #2






Crawling in the passage at the back of Cave #2






The entrance/exit of Cave #2

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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 6:41 am

Map of Cave #4



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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 6:43 am



Looking up at the entrance to Cave #4 from the riverbed (it is around 12 feet from the floor)

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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 7:25 am



A helpful view of the cave portal (Cave #4)






Looking at the "T" junction from point "C" on the map (Cave #4)






Some of the small decorations at point "B" on the map (Cave #4)





The passageway at point "A" on the map (Cave #4)

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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 7:27 am

MAP OF CAVE #5


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PostSubject: Re: Devil's Gorge (Caves)   Sun 17 May 2009, 7:32 am



The entrance to Cave #5






Looking up at the hobbit window from inside the entrance chamber of Cave #5






Inside the wiggly passage of Cave #5






The silted chamber at the end of the passage in Cave #5

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