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Name:Clogwyn Llech Lefn [Bwlch y Tri Marchog Top]
Hill number:3684
Height:637m / 2090ft
Parent (Ma):1965  Carnedd Llewelyn
RHB Section:30B: Snowdonia
Nuttall/Wainwright area:The Carneddau
County/UA:Conwy (CoU)
Catchment:Conwy
Class:Unclassified
(Un)
Grid ref:SH 70901 62745
Summit feature:most easterly large rock
Drop:14m
Col:623m  SH 70755 62697  
OS map sheet(s):(1:50k) 115
(1:25k) OL17E
Observations:drop measured as 14.0m
Survey:Leica NA730
Surveying Clogwyn Llech Lefn (Final).doc
Comments:Insufficient drop for Nuttall (surveyed)
GPS data:show GPS entries for this hill

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N.B. Some hill summits are on private property or on land where there is no public right of way.  Permission should be sought from the landowner where access to a hill summit is through private land.
Please report via the contact page any logs you see below which describe or encourage acts of trespass, and mention the hill number and hill name.

Logged Descriptions  (logged by 150 users)ByDate of Ascent
From Trasbwll parking area with Hiking Manchester: Craig Eigiau, Foel Grach, Carnedd Llewelyn, Yr Elen, back to Carnedd Llwelyn, Pen Yr Helgu Du, Clogwyn Llech Lefn (Bwlch y Tri Marchog Top), Pen Llithrig y Wrach. Thick cloud for most of the day which cleared around 4pm to reveal beautiful views.Lazylizzie06/07/2019
rossdrossd06/05/2019
With Keith. Part of Carnedd Llewelyn loop.Aimless Rambler17/02/2019
treborconde26/11/2018
Dusty27/10/2018
From the campsite at Gwern Gof Isaf on a round of Pen yr Helgi Du, Clogwyn Llech Lefn and Pen Llithrig y Wrach. 8.2 miles in 4 hours.Alan Caine29/09/2018
Waen Bryn-gwenith, Craig Eigiau, Foel Grach, Carnedd Llewelyn, Pen yr Helgi Du, Clogwyn Llech Lefnkeithouk16/09/2018
tomcr8815/09/2018
Craig Eigiau, Foel Grach, Carnedd Llewelyn, Yr Elen, Pen Yr Helgi Du, Pen Llithrig y Wrach circular route, starting at Llyn Eigiau car park.noxibis15/09/2018
BrianMatthews28/08/2018
pwithnall17/06/2018
park behind joe browns on 3 day back pack of carneddau on to pen helgi duunderhill12/05/2018
TK14/04/2018
IWC26/11/2017
PaulineC26/11/2017
Climbed with Peter Thirkettlepsburgess14/11/2017
Neil Midgley17/07/2017
davechick14/05/2017
From Ogwen Valley. Pen Yr Ole Wen, Carnedd Dafydd, Carnedd Llewelyn, Pen Yr Heigli Du, Colgwyn Lech Llefn and Pen Llithrig Y Wrach. Glorious Day!!Alunrees3308/05/2017
Parked at Llyn Eigiau, climbed Ampitheatre Buttress, then up Pen yr Helgi Du, Pen Llihrig y Gwrach, Craig Ffynnon and back to car. Perfect sunshine made a brill day, with Mart.John Eley07/05/2017
637mThe Grouse05/05/2017
Climbed in passing between Pen yr Helgi Du and Pen Llithrig y Wrach just in case.mart079708/04/2017
tgboosh31/01/2017
dbattyman11/12/2016
Roxytammy05/12/2016
From Caseg Fraith, up Y Braich to Pen yr Helgi Du, descent to Bwlch y Tri Marchog, up to Pen Llithrig y Wrach and down to aqueduct back to Caseg Fraith. Windy day but clear. (With MM, MS, OA, CB)robertgn24/09/2016
On my own, from Caseg Fraith via Pen Yr Helgi Du. Sunny.alwaysinshorts22/04/2016
With Jenx. Parked carefully at access to water board road gate near Helyg and used bridleway then water leat to gain access to upper cym leading to bealach west of Pen Llithrig y Wrach. Bagged the unclassified top Clogwyn Llech Lefn [Bwlch y Tri Marchog Top]. Oneards to Craigeau Gleison to finish the mornings walking.nordicstar29/12/2015
Nuttall walk 1.4: Craig Eigiau - Craig Eigiau South Top - Clogwyn Llech Lefn - Pen Llithrig y Wrach - Craiglwyn - Craiglwyn N-W Top - Creigiau Gleision - Creigiau Gleision sub top - Creigiau Gleision N Topronaldo33303/10/2015
nicolajane28/09/2015
From parking area near Llyn Eigiau (SH 73159 66296) - Craig Eigiau - Foel Grach - Carnedd Llewelyn - Pen yr Helgi Du - Clogwyn Llech Lefn [Bwlch y Tri Marchog Top] - Pen Llithrig y Wrach - Craig Ffynnon.david23020130/08/2015
chrisa25/07/2015
iainwalton24/07/2015
Coxswain06/06/2015
Passed over this top when walking between Pen yr Helgi Du and Pen Llithrig y Wrach on the 1st May 2015 Eastern Carneddau walk.knarf01/05/2015
Nuttalls walk 1.4 with Lindsay and Steve. Fine sunny but hazy day. We found this walk tough going, rough underfoot in places - 11.2 miles and 4200ft of ascent - seemed more!Crib Goch23/04/2015
Addition to Nuttalls walk 1.4 with Martin, Steve, Brian and Frank. Lovely weather, hard terrain in places.Lou23/04/2015
wainwrighteer09/08/2014
From Craig Eigiau via the disused quarry.JohnStoneham15/07/2014
My 9th Summit of the day (although now its a deleted Nuttal is this an anti-summit?).Approached from Pen yr Helgi du and I climbed both sides of the rocky outcrops to officially bag it. Great views as has been said over the valley. This was the penultimate point, now onwards to Pen Lithig Yr Wrach. My route today was Llanfairfechan, the North wales path, branching off to a track, Carnedd Y ddelw, Drum, Foe-Fras, Carnedd Gwenllian, Foel Groch, Yr Elen, Carnedd Llewellyn, Pen Yr Helgi du.Dazingdale05/07/2014
AlanD13/04/2014
Parked at car park near Llyn Eigiau Resevoir. Craig Eigiau, Carnedd Llewelyn, Pen Yr Helgi Du, Clogwyn Llech Lefn, Craig Ffynon and Moel Eilio. Very warm, some exceptional views :-)AlunRees3101/04/2014
Gavin Theobald15/10/2013
Bahan31/08/2013
From Pen Llithrig y Wrach to Pen yr Helgi Du. Fantastic views, sunny day. Solo.Saggers16/08/2013
A Peckish28/07/2013
beckybags28/07/2013
holyheadrambler24/07/2013
axe.stephen26/05/2013
MountainBlade05/05/2013
dc9621/04/2013
Smog19/04/2013
hillplodder25/11/2012
coming from carnedd LlewelynMad Tom07/11/2012
From pen yr Heiglu Ddu on the way to Pen y Llithrig y wrachHillboBaggings07/11/2012
andrew brown08/06/2012
Hetty12/05/2012
Bruckner726/04/2012
Ianto&Sue01/04/2012
BorthGoat01/04/2012
Kendall06/11/2011
mae16/10/2011
benalder28401/10/2011
PeterKirkwood01/09/2011
Charli Wisbey23/07/2011
Elwyn_Summers23/07/2011
From parking area near Llyn Eigiau (SH 73374 66499) - Craig Ffynnon - Pen Llithrig y Wrach - Bwlch y Tri Marchog - Pen yr Helgi Du.david23020126/06/2011
poppiesrara29/04/2011
walked after Pen LLithrig y wrachRekrab27/04/2011
SS20/02/2011
Debs and GoskaMountain Goat02/01/2011
From Pen Llithrigh to Pen yr Helgi Du with Punit and LouiseJim T25/09/2010
clivevilla02/09/2010
From Llyn Eigiau, over Cefn Tal-llyn-Eigiau, Foel Grach, Carnedd Llewellyn and Pen-yr-Helgi Dumavero1030/08/2010
Roger C28/08/2010
Rambling Ray22/08/2010
vegibagger04/08/2010
Problem Child28/05/2010
roddyp18/02/2010
stevehughes01/01/2010
NeilC01/01/2010
dadofmorph01/01/2010
Part of ridge between Pen yr Hegi Du and Pen llithrig-y-wrachBen Lowery02/05/2009
Part of 18 km CWM EIGIAU HORSESHOE (walk 5.4 of Hilwalking in Snowdonia)fellowsa25/04/2009
Tom Mundell13/04/2009
sarah mundell13/04/2009
Steve Q01/03/2009
Archie06/12/2008
KathW06/12/2008
Solo.Dangerous Dave05/06/2008
Rob5027/01/2008
oldbagger2718/10/2007
johnbarnard2518/10/2007
Ron Rees Davies11/09/2007
a long day with lovely weather, many tops and mighty views. start / finish at llyn cowlydstig_nest02/06/2007
Anton01/06/2007
AHP05/05/2007
jrj11/02/2007
taff07/05/2006
Donpeblo18/02/2006
DC11main17/06/2005
Minto17/06/2005
Jon F17/06/2005
dhbond29/05/2005
Swindon Bagger28/05/2005
stevent080921/07/2004
victimofmathema18/04/2004
MM09/07/2003
Owen B20/08/2002
Nige R22/06/2002
PeteF14/07/2001
ngthack03/02/2001
salen27/01/2001
Rob Pen y Garn06/01/2001
DARRENG00/00/2001
Have been over or (usually) bypassing summit on S side, many times, as is on Paddy Buckley route. This was my 2nd extended Round, 55 peaks in 23h36RHW16/09/2000
From Tal y Waun, via Pen Llithrig y WrachJamesD197212/05/2000
steep fall off Pen Llithrig-y-Wrach, crossed stileWhithaugh19/02/2000
GGIdris21/01/2000
paulsross01/01/2000
summitter01/01/2000
Martin R31/12/1999
Ozymandias18/10/1998
The Dancing Mon20/05/1997
David Purchase12/09/1996
Cloud and mist.Ian Davies11/10/1993
ianarbor03/07/1993
mainnirnamfiadh24/06/1993
JtwoUD02/05/1992
petey01/01/1990
Circuit from the eastrjf3522/03/1989
from P L y W. Down to bwlych and plod up to top. To P y H d.arranc20/04/1987
With Liz Murphy from a damp wild camp alongside Llyn Cowlyd reservoir. Climbed the steep south slopes of P L W in variable weather from dry and muggy to cloud and drizzle with some pouring rain. summit shelter for snack then drop out of cloud over this top and steep 700 feet back into cloud and rain onto Pen yr Helgi du. Back to camp skirting P L W for a brew then headed to Idwal YH for indoor luxury for 2 nights and to dry out.Chris Pearson02/08/1984
With: hr sab muhc; From Idwal Cottage YH directly up Pen yr Ole Wen on to Carnedd Dafydd then Carnedd Llewelyn. SW ridge to Pen yr Helgi Du then Pen Llithrig y Wrach. Down to Helyg on A5 and back.Ian Baines28/01/1984
GordonAdshead00/01/1984
trimarc220/08/1983
thenomad23/06/1983
Clach Liath06/09/1982
salen02/05/1981
GaryJones01/04/1978
IainT03/05/1977
David Bell28/08/1975
Jonathan Russell01/01/1970
peterstanding23/03/1967
richtea504010/04/1963
doneoutlawcatcherblank
Little top overlooking the passChinnockCblank
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Nick Canuteblank