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Name:Cefn Gwyntog
Hill number:2121
Height:614m / 2014ft
Parent (Ma):19413  Foel Cedig
RHB Section:30E: Bala to Welshpool
Nuttall/Wainwright area:The Berwyns
County/UA:Powys
Catchment:Severn
Class:Nuttall, Subsimm, Buxton & Lewis
(N,sSim,BL)
Grid ref:SH 97600 26698
Summit feature:no feature
Drop:26.7m
Col:587.3m  SH 9749 2733  
OS map sheet(s):(1:50k) 125
(1:25k) OL23E 239
Observations:Cairns at SH 97603 26593 and SH 97659 26624 are both lower
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Logged Descriptions  (logged by 296 users, only the latest 50 shown - Show all)ByDate of Ascent
Not quite as tough as Foel Cwm-Sian Llwyd, but still a bit of a slog from the forestry road and back.simocity15/10/2023
Walk 7.5KatyT12/05/2023
With: solo; Nuttalls walk 7.5. Good dry day with light wind and high cloud. This has got to be the most dreadfully pointless hill in the Nuttalls list!Ian 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
6th mountain today, straight forward path from Stac Rhos, aim for a gate where you go right, there is a path taking you to the top, thankfully the weather was good, would not like to go through here in Winter as would be very boggy.Buckleymon15/08/2022
Cwm Hirnant road - Foel Goch - Trum y Gwragedd - Foel y Geifr - Pen y Boncyn Trefeilw - Stac Rhos - Cefn Gwyntog - Cefn Gwyntog N Top - Cefn Gwyntog Far N Top - Foel Cedig - Y Groes Fagl - Cwm Hirnant road.Mark Jackson24/10/2021
https://www.strava.com/activities/6146021730/overviewrhif721/10/2021
https://www.strava.com/activities/5914433314Sleepwa1ker03/09/2021
Followed forest track from (52.81962, -3.55052) to cross stream at (52.82902, -3.53265), no discernable track to the summit so it was as long trudge through heather and bog across the plateau to the base of the hill. Be careful of large drops through the bog into streams, up to your thighs. Limited paths from the summit to the nearby woodland although there is a gate into the forest at (52.81994, -3.53600)ushills22/08/2021
Trekking through overgrown heather and fern, crossed a river (without a bridge), saw a landslide and several gorge waterfalls - good walk but absolutely no route or footpaths - consdiered using paracord to get down a hill at one point.mollyushills22/08/2021
Bit of a slog through the heather. Went up with Richard.andrewroberts01/08/2021
From Hirnant Pass to W, using good track. Y Groes Fagl, Cefn Gwyntog (Leave main track at 9767,2794 marked with cairn and follow faint track south), Stac Rhos, Pen y Cerrig Duon.Leave main track at 9767,2794 marked with cairn and follow faint track south.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
C. Previous entry old GRThis Dog21/09/2020
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 SH94604 27326, via Pen y Cerrig Duon, Pen y Boncyn Trefeilw, Stac Rhos & Cefn Gwyntog North Top, Then onto, Cyrniau Nod, Y Groes Fagl & Foel Credig. Return via mountain track.Westdenewalker29/04/2019
solo losing the will to live with the strength sapping heathercolinfielding28/02/2019
Revisit to featureless, grassy, heathery summit on undulating ridge, accompanied by Wild horse.Denise 24/11/2018
Revisit. 29km circuit from Pennant Melangell; after Gwyntog North. All 3 summits.RHW24/11/2018
A slog out to this one. With Alex C, Tony J.Adrian24/11/2018
From North Top. On to Foel Cedig.Wycombe Wanderer24/11/2018
A selection of Berwyns in company of (for some) Lindsay. Tops I completed were Pen y Boncyn Trefeilw, Stac Rhos, Cefn Gwyntog, Foel Cedig and Y Groes Fagl.knarf14/10/2018
From summit of Bala road: Pen y Boncyn Trefeilw / Stac Rhos / Y Groes Fagl / Cyrniau Nod / Cefn Gwyntog. Then: Foel y Geifr / Trum y Gwragedd / Foel Goch. Sunny.Winterfloodian26/07/2018
From HirnantDewi Prysor25/07/2018
Followed the Nuttall's route. Lovely sunny day with a nice cool breeze.Herbert Anchovy23/06/2018
No 3 of 5 hills based on Nuttal 7.5. Bog slog not as bad as expected.MichaelF24/11/2017
9/11 (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
Walked the route in section 7.5 of the Nuttalls book. Foel Goch, Trum y Gwragedd, Foel y Geifr , Pen y Boncyn Trefeilw, Stac Rhos, Cefn Gwyntog, Cyrniau Nod, Y Groes Fagl. People call these the boring Berwyns but I don't agree. How many of the hundreds of thousands who climb Snowdon and Cader Idris each year would persevere with this walk. It's a real challenge and there are some good views if the weather holds. A very steep descent to Foel Goch reminded me how unfit I've become. Great views at the top, could see Arenig Fawr, Aran Fawddy and Snowdon in the distance inbetween the snow showers. The summit of Trum y Gwragedd was tantalisingly 40 foot on the other side of a barb wire fence. I decided not to be a purist but as I walked on the guilt gnawed at me and, 200 metres later at a corner post, I decided to leave my backpack, cross over and go back to the summit. My gloves and trousers already had holes in them and I'm not sure I'd have risked it if I had been wearing new exptsharp21/03/2017
with rogerDarren-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
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
KeithByTheC30/07/2016
Solo. From Stac Rhos and on to Bwlch CamAimless Rambler29/05/2016
Nuttalls walk 7.5. Leave main track at 9767,2794 marked with cairn and follow faint track south.Crib Goch13/04/2016
Nuttall Walk WN 7.5 The Western Berwyns from the foot of Hirnant Pass (952300), visiting Foel Goch, Trum y Gwragedd, Foel y Geifr, Pen y Boncyn Trefeilw, Stac Rhos, Cefn Gwyntog, Cyrniau Nod and Y Groes Fagl. 18.4km with 850m asecnt in 6H30m. (S)silveracorn_alan30/03/2016
14 mile hard circular walk from the cattle grid at the bottom of the pass, used ill-defined footpaths up onto Pen Y Boncyn Trefeilw, then along lane to Stac Rhos up the lane to Foel Cedig and Cyrniau Nod, back down taking the pretty much pathless ridge to Cefn Gwyntog, descended and forded the stream west above the waterfall, followed lane to road, then followed lane through forest up onto the moors, struggled through hideous pathless heather up onto Cefn Coch, then across more heather to Foel Y Geifr, then down little path onto Trum Y Gwrgedd and Foel Goch back down to car with half an hour of daylight left.DanTrig13/03/2016
With Cyrniau Nod and Jenxnordicstar28/12/2015
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
make your way back to road and go up the track look right for a cairn marker this is a faint path to the summit some 1.4km away. the top is marked by rocks. you come back the same way look for the gate to go through.Aristotle Chip11/04/2015
Heathery slog with a few bonus sheep tracksRuth09/09/2014
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. Latter part of the day it poured with rain and cloud came down.axe.stephen28/05/2014
From top of Bwlch Hirnant on route to Y Groes Fagl. The Berwyns at their most Berwyn-like!ruthatlast26/05/2014
On an epic hillwalking saga from Llangynog to Llanuwchllyn, after climbing Cyrniau Nod, I took a bearing to then follow the fenceline (tough going in the heather) upto a boundary stone and then onto the ridge. I was hoping to bag Cefn Gwyntog North top but i didnt realise it was much nearer the fence and so ended up bagging this hill. I took a picture of the cairn and the stones match with the shot although the positions seem to have changed. Lovely views over to the South west where the Afon Yn-y-groes dramatically drops down through a steep valley. This is a pretty boggy area.Dazingdale06/05/2014
Followed Nuttalls Western Berwyns walk with a few additions.rhalstead16/03/2014
MAINLY FOLLOWED NUTTALLS WALK 7.5 FOR THE WESTERN BERWYNS. PARKED AT THE FOOT OF THE HIRNANT PASS AND WENT STRAIGHT UP VERY STEEP FOEL GOCH, THEN EASY WALK ALONG THE RIDGE TO TRUM Y GWRAGEDD AND FOEL Y GEIFR. STEEP HEATHER DOWN TO TOP OF PASS THEN ALONG THE TRACK, POPPING OFF IT TO DO PEN Y BONCYN TREFEILW AND STAC RHOS. RETURNED TO TRACK BETWEEN ALL TOPS AND FOUND FAINT PATH OUT TO CEFN GWYNTOG. FOLLOWED FENCE TO CIRNIAU NOD AND FINISHED WITH THE EASY GROES FAGL. BACK THROUGH FOREST TO CAR - ANOTHER WARM SUNNY DAY OUT FROM BALA.BURGESS08/08/2013
Nine-Nuttall circuit clockwise from Aber Hirnant, with Ruthdavidpettit8405/05/2013
Parked at road/track junction at the foot of the Hirnant Pass - Track past Ystrad-y-groes up through Penllyn Forest - Bwlch y Groes-fagl - Y Groes Fagl - Cyrniau Nod - Cefn Gwyntog - N. along ridge to Boundary Stone - Stac Rhos - Pen y Boncyn Trefeilw - Path down N. ridge of Pen y Cerrig Duon - Car. (JL,PM,CM)gerrybowes08/11/2012
3rd of 8 in the day.bolton08/11/2012
CJM08/11/2012