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Clogwyn Du'r Arddu

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East Buttress 
Pinnacle, The 
West Buttress 

Clogwyn Du'r Arddu  

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Location: 53.07861, -4.0925 View Map  Incorrect?
Page Views: 4,240
Administrators: Chris Owen, Euan Cameron, Nick Russell, Kristine Hoffman (sitewide)
Submitted By: Chris Owen on Sep 17, 2008
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BETA PHOTO: Cloggy - with some climbs to help get your bearing...


Aka "Cloggy". Translated probably means "The Black Cliff of the Black Hollow".

This daunting crag is generally accepted as being the best crag in North Wales, with nothing really below 5.8. It's split into many buttresses, with most of the climbing on the East and West of those buttresses. The East (including the Pinnacle) holds many steep face and crack climbs and the West contains a sequence of leaning and overlapping slabs.

Certainly a traditional Welsh mountain crag of a higher level of difficulty and it should be at or near the top of every visiting climber's list of places to climb - as long as the weather is good and the rock is dry.

Getting There 

From the A4086 heading towards Llanberis turn left at the Snowdon Mountain Railway and follow the winding narrow road to the Snowdon trailhead appears on the left, park in a pullout on the left just past this trailhead.

Hike up the Snowdon trail for about 2 miles, passing Halfway House on the way, before the main trail heads steeply up take a right fork, this climber's trail heads slightly up and around the Cwm to the bottom of Cloggy. About an hour for the fit.

Climbing Season

Weather station 8.1 miles from here

9 Total Routes

['4 Stars',5],['3 Stars',4],['2 Stars',0],['1 Star',0],['Bomb',0]

Featured Route For Clogwyn Du'r Arddu
John Fodor on the axe.

The Axe 5.11 6c+ 23 VIII- 23 E4 5c Europe : United Kingdom : ... : The Pinnacle
E4 6b, A beautiful arete, extremely exposed. start a few meters right of the arete. the rock is better then it looks from below, there are good holds where you want them and the gear is not bad. 50m long climb the flake crack to the roof make a hard move over not so good holds (crux) to a juggy leftward traverse and climb flakes to the arete and follow to the top passing a pegs on the right. ...[more]   Browse More Classics in International

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Directions to Cloggy
BETA PHOTO: Directions to Cloggy

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By Nick Russell
From: Bristol, UK
Jun 20, 2014
Cloggy is currently (mostly) dry. Get up there before the rain returns!

The drainpipe crack was (predictably) still wet, but the upper pitches of Jelly Roll were dry. Great Wall is dry and has seen several recent ascents. The Pinnacle routes were catching a bit of cloud so getting damp. White Slab is dry all the way.
By Chris Owen
From: La Crescenta and Big Bear Lake
Mar 9, 2010
Wonderful picture of Cloggy here.
By Rob Davies UK
From: Cheshire, UK
Oct 26, 2011
A [Welsh] pedant comments: "Clogwyn Du'r Arddu" is the correct version. "Du" simply means black in Welsh. Lots of emphasis on black!