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Name:Pen yr Allt Uchaf
Hill number:2119
Height:630.1m / 2067ft
Parent (Ma):2083  Aran Fawddwy
RHB Section:30E: Bala to Welshpool
Nuttall/Wainwright area:The Arans
County/UA:Gwynedd (CoU)
Catchment:Dovey
Class:Simm, Hewitt, Nuttall, Buxton & Lewis, Bridge
(Tu,Sim,Hew,N,BL,Bg)
Grid ref:SH 87100 19667
Summit feature:no feature: grass
Drop:59.9m
Col:570.2m  SH 8752 2053  
OS map sheet(s):(1:50k) 124 125
(1:25k) OL23E
Observations:flat summit area
Survey:Leica RX1250
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, and mention the hill number and hill name.

Logged Descriptions  (logged by 276 users, only the latest 50 shown - Show all)ByDate of Ascent
A 18 mile walk with 5500ft of accent combining the Arran Ridge and Southern Arrans following nuttalls route.Pen y Allt Uchaf, Gwaun Lydan, Aran Fawddwy, Wrw y Ddafad-ddu, Aran Benllyn, Gwaun y Llwyni, Waun camddwr, Glasgwm and Pen y Bryn-fforchog.The woodland beneath the last top has been completely felled and so the return route Nuttall suggests is really difficult. From the free car park at the end of the minor road in Cwm Cywarch three miles north of Dinas Mawddwy.WAYNE ROWLETT29/06/2019
After a long climb up from Ty'n y Maes. First hill on a circular walk from the car park at the end of Cwm Cywarch ( not marked on our OS map - portaloos! ).DanMaisieBex22/06/2019
From Gwaun Lydan over Waun Goch (see log for 2112) and continued on ridge to summit, descended very steep flank to path and returned over footbridge to Blaen Cywarch car park.Dewi Prysor16/08/2018
SoloAimless Rambler21/06/2018
Cywarch Car Park > Pen yr Allt Uchaf > Aran Fawddwy > Gwaun y Llwyn > Waun Camddwr > Glasgwm > Cywarch Car Park.Winterfloodian19/05/2018
Up from Cwm Cywarch to Glasgwm, heading on to Aran Ridge to take in Gwaun y Llyni, Aran Fawddwy, Erw Ddafad-Ddu and Aran Benllyn, east to Foel Hafod Fynnydd, due south to Pen yr Allt Uchaf.andrew.morel17/02/2018
Nuttall route 8.1 and added Glasgwym at end on 8 hour walk. Agree with Aristotle about steepness of route up.Mark Sims29/05/2017
as per the nuttal book walk 8.1 the path up is a steep bugger. faint paths up top and a bit boggy early doors. ridge path is goodAristotle Chip07/10/2016
With G. Nuttalls' route from Cywarch > Pen yr Allt Uchaf > Gwaun Lydan > Drysgol > Drws Bach > Aran Fawddwy > Erw y Ddafad-ddu > Aran Benllyn > Gwaun y LLwyni > Waun Camddwr > CywarchRT197016/08/2016
Final top, diversion at the end of a round of Cym Cywarch, fine outing. Steep down hillside to regain path and track to the Park CP near the head of the lane.nordicstar12/07/2016
ANOTHER BEAUTIFUL DAY WITH GOOD VIEWS. FOLLOWED NUTTALLS WALK 8.1 UP THE STEEP GRASS ONTO PEN Y ALLT UCHAF, THEN EASILY OVER GWAUN LYDAN. A STIFF CLIMB ONTO ARAN FAWDDWY, THEN EASY RIDGE WALKING TO ERW Y DDAFAD DDU AND ARAN BENLLYN WITH GOOD VIEWS OVER BALA, RHINOGS AND ARENIGS. RETURNED AVOIDING SUMMITS TO DESCEND STEEPLY AND THEN OVER ROUGH GROUND TO GWAUN Y LLWYNI AND EASILY TO WAUN CAMDDWR. DECIDED TO TAG ON WALK 8.3 TO AVOID RE-ASCENT AND TAKE ADVANTAGE OF FINE WEATHER AND LONG JUNE DAYLIGHT. A VERY HARD CLIMB ONTO GLASGWM, THEN EASY RIDGE TO FINISH ON PEN Y BRYN FFORCHOG. HOWEVER, THE FOREST HAS BEEN FELLED AND IT WAS VERY TOUGH GOING TRYING TO FOLLOW THE PREVIOUS RIDES UNTIL THE EASY DESCENT OF THE ZIGZAG - 10.5 HOURS WALKING.BURGESS15/06/2015
Followed Nuttalls route plus Pen-Aran.rhalstead24/05/2015
With Frank and Steve on a seriously wet day! Quite a pull up from the valley!Lou25/01/2015
A reduced Aran Ridge walk with Lindsay and Steve taking in Pen yr Allt Uchaf, Gwaun Lydon, Gwaun y Llwyni, and Waun Camddwr. A rare wet foot day the rain was so bad.knarf25/01/2015
Up from car park at end of Cwm Cywarch, up the Aran Fawddwy path, over the fence and across country to Gwaun Lydan, across country to Pen yr Allt Uchaf and then down the path south of Nant Terwyn. All the way down, difficult to believe that the NE top is the highest, but it is!tsharp18/01/2015
Part of a very, very long, snowy, misty, windy, cold day Creigiau Dwyfron/Pen Yr Allt Isaf/Pen Yr Allt Uchaf/Waun Goch/Gwaun Lydan/Drysgol/Drws Bach/Aran Fawddwy Isaf/Aran Fawddwy Uchaf/Gwaun Y Llwyni/Waun Camddwr Isaf/Waun Camddwr UchafFergalh16/01/2015
Nuttall walk 8.1: Pen y Allt Uchaf - Gwaun Lydan - Drysgol - Drws Bach - Aran Fawddvy - Erw y Ddafad-ddu - Aran Benlyn - Gwaun y Llwyni - Waun Camddwr east top - Waun Camddwrronaldo33318/10/2014
Car park at the end of the minor road in Cwm Cywarch – Pen yr Allt Uchaf – Gwaun Lydan – Aran Fawddwy – Erw y Ddafa-ddu – Aran Benllyn – Gwaun y Llwyni – Waun Camddwr – Down path by waterfalls – Car parkCJM22/09/2014
From Cwm Cywarch via Hegwym. Peat hags dry on the approach. Midsummer backpack.mick21/06/2014
On own. Starting from Cwm Cywarch, southernmost four tops on Nuttalls walk 8.1. Then added walk 8.3. A long hard walk, but really enjoyable in dry sunny conditions.Crib Goch21/04/2014
Lovely sunny dayRuth18/04/2014
Nuttalls walk. Supposed to be sunny but spent a lot of time in the mist. Worth it for the occasions when the mist cleared.johnjennison03/09/2013
Circuit from Cywarch,6 tops in total.Emlyno16/08/2013
First time I've had to abort a walk because of the heat! And in Wales too!! Had hoped to do the full Nuttall walk taking in the ridge. But with no shade, no breeze and no phone signal, after dragging myself up Pen Yr Allt Uchaf, I decided to just take in one more (Gwaun Lydan), and retreat down Hengwm to a welcome drink at Dinas Mawddwy. The ridge awaits another visit.ruthatlast12/07/2013
Cloudy day saw me follow an anti-clockwise loop. Skipping Aran Fawddwy in the end as the wind was up and I couldn't see anything. Four more bagged so six to go.SS04/05/2013
All very boggy from Bwlch y Groes until valley encountered, super views of Aran Ridgegeoffreybbb08/01/2013
Second ascent.thenomad06/11/2012
5hr 50 min round from Cwm Cywarch.Hammy23/08/2012
Car park at the end of the minor road in Cwm Cywarch 3 miles N. of Dinas Mawddwy – Old path up the Hengwm valley – Pen yr Allt Uchaf – Gwaun Lydan – Aran Fawddwy – Erw y Ddafa-ddu – Aran Benllyn – Return to col before Aran Fawddwy – Follow fence across W. slopes of Aran Fawddwy – Gwaun y Llwyni – Waun Camddwr – Down path by waterfalls – Car park. (JL,PM)gerrybowes29/05/2012
Parked at Cywarch. Steep climb to summit.bolton29/05/2012
Pen y Allt Uchaf, Gwaun Lydan, Aran Fawddwy, Erw y Ddafad-ddu, Aran Benllyn, Gwaun y Llwyni, Waun Camddwrijpowell17/05/2012
From Cwm Cywarch (SH 85242 18851) - Pen yr Allt Uchaf - Gwaun y Llwyni - Waun Camddwr - Glasgwm - Llyn y Fign. Very boggy between Waun Camddwr and the foot of Glasgwm, stepping stones & duckboards do help in negotiating the worst bits.david23020126/02/2012
Fantastic linear walk in snow with David P, Ruth, Andrew and Jo from CUHWC: Allt Uchaf - Gwaun Lydan - Gwaun y Llwyni - Camddwr - Aran Fawddwy - Erw y Ddafad-ddu - Benllyn - Hafod-fynydd - Esgeiriau Gwynion - Foel Rhudd - Llechwedd Du - car at Bwlch y GrMark Jackson28/01/2012
CUHWC Bryn Golau Trip. With MJ, DP, RP & JS. Linear walk in lots of snow and good weather from Cwm Cywarch to Bwlch y Groes.AGWilliamson28/01/2012
Following nuttall route 8.1, warm clear summer day in April!!Dugswell210/04/2010
First top on the Nuttall route. We left the path for the ascent at SH 85951 19387. It's a stiff 375m ascent to the ridge but the underfoot terrain is excellent.David Gradwell29/08/2009
Hard climb up from Cwm Cywarch on Nuttall route - probably better to back track from Waun Gochwoodse31/07/2009
With Pendabeorwulf15/06/2009
Now marked by one big fence post and one small one.clivevilla31/05/2009
Unmarked rise on ridge, from Dinas Mawddwy via Pen Y Allt Ichaf. Light showers. On my own but part of BHMC Hut meet staying at Bryn Golau.alwaysinshorts16/05/2009
Last peak of the day. Came over from Gwaun Lydan. Very boggy in places in between. Carried on along the ridge, and then made very steep decent to Cwm Hengwm. A great day.huwthomas10/05/2009
Climber from Cwm Cywarch, I climbed to the col with Drysgol and backtracked to the summit. Bitter wind with a few patches of hard snow on the summit. This was marked by a an old fence post and about 2 stones.isabelle31/01/2009
Our last peak of the day. A bit of a drag as the mist came back, we headed to Waun Goch then onto Pen yr Allt Uchaf, luckily the summit was this side of the hill marked by a couple of old fence post and a few bits of white rock. We could see down into theSteveClay04/08/2008
an awesome days linear walk aross some very rough area, the route started at llanymawddwy and up the side of the waterfall to pen yr allt uchaf, then wound its way over numerous tops to the bwlch y groes. before taking in another two tops and ending up at Rhiwagor falls.stig_nest16/07/2008
KeithByTheC10/05/2008
Second ascentChiana20/10/2007
End of a N to S traverse of the ridge and a 'Special' top for me as it now just leaves me the 2 Tarrens to complete all the Welsh Nuttalls but I had to sacrifice a First-to-Find geocache in the process.signyred13/05/2007
with Richard (SW Aran Ridge circuit) richardsun06/04/2007
A steep exhausting ascent up the grassy flank described in the Nutall book on a hot dayFather Ted18/06/2006
A brilliantly sun-drenched day, showing the Arans in their splendour. The sheltered valleys with steep slopes plunging headlong to quiet brooks produce perhaps the lushest green in all of Wales. Starting at Cwm Cywarch, I followed the sunken lane through trees until it rose and opened out, the climbing hut appearing below on the left. Cattle grazed on the other side of the Afon yr Hengwm. The retrospect of Craig Cywarch, a haunt for climbers, was breathtaking. At the 400-metre mark, there was a stile where I stopped for a while, ate lunch and drank in the perfect stillness of an autumn afternoon. From here the path continued onwards towards the highest peaks of the range, but my way was right, following a fence up the side of Pen yr Allt Uchaf which steeply led to the summit.peter4lc05/10/2005