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Name:Pen y Cerrig Duon
Hill number:2125
Height:611m / 2005ft
Parent (Ma):19413  Foel Cedig
RHB Section:30E: Bala to Welshpool
Nuttall/Wainwright area:The Berwyns
County/UA:Gwynedd
Catchment:Catchment Boundaries, Dee (Flint), Severn
Watershed:Severn Estuary, Cardiff to Cape Wrath, Liverpool Bay
Class:Buxton & Lewis, Bridge, Deleted Nuttall
(BL,Bg,xN)
Grid ref:SH 95304 28117
Summit feature:no feature
Drop:12m
Col:599m  SH954280  
OS map sheet(s):(1:50k) 125
(1:25k) OL23E
Survey:Abney level
Change log:show changes for this hill entry
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.  Please quote the hill number and hill name.

Logged Descriptions  (logged by 198 users, only the latest 50 shown - Show all)ByDate of Ascent
With: solo; Nuttalls walk 7.5. Good dry day with light wind and high cloudIan Baines09/10/2022
Updated Nuttall 7.5 from Bwlch yr Hwch: Foel Goch, Trum y Gwragedd (Trum y Gwrgedd), Foel y Geifr, Pen y Cerrig Duon, Pen y Boncyn Trefeilw, Stac Rhos, Cefn Gwyntog North Top, Cefn Gwyntog, Cefn Gwyntog Far North Top, Foel Cedig and Y Groes Fagl. Haxy, dull day, so there weren't even good views to distract from the relentless trudge through heather.Lazylizzie03/09/2022
On the way to Foel CedigMinto25/05/2022
With Sam in driving rainsimon and co23/10/2021
https://www.strava.com/activities/5914433314Sleepwa1ker03/09/2021
Circular 13.7 mile route of serious heather bashing from Aber-Hirnant Picnic area. Foel Goch, Trum y Gwregedd, Foel y Geifr, Pen Cerrig Duon Pen y Boncyn Trefeilw, Stac Rhos, Foel Cedig, Bwlch y Groes-fagl and Foel-y-ddinas. The intial very steep ascent to Foel Goch from the road should not be underestimated!Gwastadros12/06/2021
After Stac Rhos.PGCE04/02/2021
Rain, rain, rain! A walk out along the track, picking off tops on the way out and back. With B and R.jenx17/12/2020
CThis Dog19/09/2020
The 7 listed high points from the head of Cwm Hirnant to Cyrniau Nod with Rufus. Parked at the top of the pass and used the vehicle track with brief heathery diversions to the high points. Returned along the track, 3 hours.jacobrichmond07/09/2020
Nuttall route 7.5Neil Midgley17/09/2019
Two day hillbagging and wildcamp trip from Hirnant pass.Taz3806/08/2019
Up easy north ridge from parking area at 953300. Ascending along the right of way through the field surrounded on 3 sides by access land, some skittish bullocks took fright and jumped the low fence, escaping on to the moorland. KeithByTheC16/07/2019
Brief deviation on the return from Foel Cedig.summitsup09/06/2019
from quarry hirnant then nutall route inc foel cedig and deleted nutalls and other minor tops back through penllyn forest 9 hrsunderhill24/05/2019
From Bala to Lake Vyrnwy Road, SH95237 29981. Then onto Foel Geifr, Trum y Gwrgedd & Foel Goch.Westdenewalker01/05/2019
From Bala to Lake Vyrnwy Road SH94604 27326, Then onto Pen y Boncyn Trefeilw, Stac Rhos, Cefn Gwyntog north top, Cefn Gwyntog, Cyrniau Nod, Y Groes Fagl & Foel Credig. Return via mountain track.Westdenewalker29/04/2019
Xn added to Nuttalls walk 7.5 solocolinfielding28/02/2019
Short detour from track, having parked at col to the westdavidpettit8409/12/2018
With Foel Cedig from the col at SH946273 with Jez TurnerJim.Fothergill24/11/2018
10:30ish, coldish, gloomy, with Jim.Fothergill. On to Pen y Boncyn Trefeilw.Wycombe Wanderer24/11/2018
With SG from car parking at col to SW.Smudge24/11/2018
Foel Cedig > Y Groes Fagl > Trum y Sarn > Cyrniau Nod > Cyrniau Nod South-East Top > Cyrniau Nod > Pen y Boncyn Trefeilw > Pen y Boncyn Trefeilw SW Top > Pen y Cerrig Duon from GR: SH 94614 27328ronaldo33322/09/2018
Foel Cedig > Y Groes Fagl > Trum y Sarn > Cyrniau Nod > Cyrniau Nod South-East Top > Cyrniau Nod > Pen y Boncyn Trefeilw > Pen y Boncyn Trefeilw SW Top > Pen y Cerrig Duon from GR: SH 94614 27328Hippster22/09/2018
With dog, though he waited on the track and didn't bag the summit. No more heather for him today pleaseHH30/08/2018
Followed the Nuttall's route. Lovely sunny day with a nice cool breeze. This one required only a short diversion from the published route.Herbert Anchovy23/06/2018
1/11 (Pen Y Cerrig Duon/Pen y Boncyn Trefeilw/Stac Rhos/Cyrniau Nod/Y Groes Fagl/Penllyn Forest Top/Foel y Geifir/Cefn Gwyntog North Top/Cefn Gwyntog/Garreg Wen/Rhwngy Ddwynant)Fergalh17/06/2017
a round of mainly Nuttalls from The Hirmant Pass, 7.5, solo, on a blustery dayLou11/06/2017
with roger didnt relise this was an ex nuttallDarren-44318/02/2017
Solo walk during a weekend trip to Llangollen for a friend's Birthday. Aber Hirnant - Foel Cwm-Sian Llwyd - along ridge via all Nuttalls to Pen y Cerrig Duon - road - Foel y Geifr - north along ridge - steep descent by forest to road - road back to Aber Hirnant. A rather dull and heathery set of hills!AGWilliamson18/12/2016
My B&L completion with Roxy.DARRENG03/12/2016
With G. Mostly Nuttalls' Route from cattle grid at Bwlch yr Hwch > Foel Goch > Trum y Gwrgedd > Foel y Geifr > Pen y Cerrig Duon > Pen y Boncyn Trefeilw > Stac Rhos > Cefn Gwyntog (faint path from gate near Cefn Gwyntog N Top) > Cefn Gwyntog North Top > Cyrniau Nod > Y Groes Fagl > start via Cwm GwynRT197017/08/2016
Nuttalls' walk 7.5 KeithByTheC30/07/2016
Solo. From Foel y Geifr and then on to Pen y Boncyn TrefailwAimless Rambler29/05/2016
Cyrniau Nod, Y Groes Fagl, Stac Rhos, Pen y Bocyn Trefielw, Pen y Cerrig Duon.tim74720/04/2016
Nuttalls walk 7.5. Unmarked top a few metres of the main trackCrib Goch13/04/2016
Failed to check for extra peaks on planned route. Passed on way to Pen y Boncyn Trefeilw. Annoyingly conscience won't let me claim a full bag as did not walk over summit but reckon my head was above summit on path nearby. Will come back and do properly if I ever decide to complete Ex-Nuttall list.mntainman31/10/2015
Up track from SW. Easy. Track is easily drivable if you feel so inclined.ijpowell14/07/2015
Parked at top of Hirnant pass 946273 (Room for a couple of cars) - NE along track & then south through heather for about 80m to unmarked summit - Continued along track to Cefn Gwyntog North Top. (S)gerrybowes20/06/2015
Nuttall Walk 7.5: Foel Goch [The Berwyns] - Trum y Gwragedd - Foel y Geifr - Pen y Cerrig Duon - Pen y Boncyn Trefeilw SW Top - Pen y Boncyn Trefeilw - Stac Rhos - Cefn Gwyntog North Top - Cefn Gwyntog - Cyrniau Nod - Y Groes Faglronaldo33314/06/2015
Followed the Nuttalls route apart from Stac Rhos, Cefn Gwyntog, Cyrniau Nod all done as out and back from the track. Each with a handy cairn to indicate where to leave the track. added this one to their route as it was near the track. Latter part of the day it poured with rain and cloud came down.axe.stephen28/05/2014
About the only easy hill climbed today, accessed off the very welcome track that makes life much easier. Featureless summit. Walked up and then around in a circuit to make sure. Today I started at Llangynog and climbed Moel Dimoel, Cyrniau Nod, Cefn Gwyntog, Stac Rhos, Pen Y Boncyn Trefeilw and next hill on the list is Foel Goch. The view North is lovely, the sunlight was showcasing the steep Foel Y Ddinas I returned to the track and picked up the fp heading North branching off in a North westerly direction at around 550 metres above sea level.Dazingdale06/05/2014
Followed Nuttalls Western Berwyns walk with a few additions.rhalstead16/03/2014
Added on to the other 8 during the day.bolton08/11/2012
With PMCJM08/11/2012
Northern Hirnants 2 days / 22 miles. Start Finish Bala Wild camp in heather, very windy Rhiwaedog-uwch-afon, Foel Goch, Foel y Geifr, Pen y Cerrig Duon, Pen y Boncyn Trefeilw, Foel Cedig, Bwich y Gross-fagl, Foel Cwn-Sian,fellowsa20/05/2011
First peak of the day. Did it just in case!huwthomas14/05/2011
first of the day and it was a easy one :-)heavyhorses06/04/2011
On Nuttall walk to Cyrniau Nod.Aye Jimmy20/04/2010
En route to Nod.Dugswell216/03/2010