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Name:Diffwys
Hill number:2058
Height:750.4m / 2462ft
Parent (Ma):2056  Y Llethr
RHB Section:30D: Barmouth to Betws-y-Coed and Bala
Nuttall/Wainwright area:The Rhinogs
County/UA:Gwynedd
Catchment:Mawddach, Catchment Boundaries
Class:Hump, Simm, Hewitt, Nuttall, Submarilyn,
Buxton & Lewis, Bridge, Clem
(Hu,Tu,Sim,Hew,N,sMa,BL,Bg,Cm)
Grid ref:SH 66131 23417
Summit feature:ground 5m N of trig point
Drop:147.6m
Col:602.8m  SH 66613 24396  
OS map sheet(s):(1:50k) 124
(1:25k) OL18W
Observations:ground is 0.08m higher than base of trig point
Survey:Leica NA730/Leica GS15/Trimble GeoXH 6000
Survey of Diffwys.pdf
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.
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Logged Descriptions  (logged by 477 users, only the latest 50 shown - Show all)ByDate of Ascent
ThomasSmith_0723/09/2023
Day two of Dragons Back Raceemily05/09/2023
Rhinogydd south to north: with Hannah, James, Housechild & Vicky.Grinner20/08/2023
Lee_MAAT13/08/2023
Dragons back recceemily06/08/2023
ACorner24/07/2023
alda20/07/2023
18.4 miles 4201ft walk, start at Ganllwyd NT carpark to Rhinog Fach and Y Llethr, Crib-Y-Rhiw and Diffwys.stephenbuda08/07/2023
5th Mountain today, blessed with great views on this fantastic hike in the Rhinogs.Buckleymon20/06/2023
Yr Eryr Aur29/05/2023
Sarah Nuttalls & Cambrian Way Day 17Rob Rees23/05/2023
From the East sidegingerreader09/04/2023
From end of minor road north west of BontdduJamesD197227/03/2023
Fourth of 8 tops on a breathtaking but exhausting 16.5 mile trek from Dyffryn Ardudwy to Barmouth via Moelfre, Y Llethr, Diffwys and the southern Rhinogydd ridge. After Crib-y-Rhiw, carried on along the ridge, taking in the outcrops on the top of the ridge that the main path seems to cut away from. This proved to be a terrific viewpoint of Y Garn, and an excellent place to rest aching feet for 30 minutes before the steep pull up to the summit. The summit was very windy, contrasting with most of the rest of the walk. A terrific summit. Onwards to the West Top on very easy slopes.thesweetcheat13/09/2022
danpquinn06/09/2022
Started walk from Parc Isaf campsite where we were staying and joined Nuttall walk 9.1 at the south. Completed the walk as per 9.1 then returned to campsite. Long tough walk with R took, 11.5 hours in total.Dan Baddeley27/08/2022
Mynnyd Egryn South Top, Mynydd Egryn, Craig y Grut, Diffwys West Top, Diffwys, Crib-y-rhiw, Y Llethr, Rhinog Fach, Rhinog Fawrkeithouk25/08/2022
solitaryfellwanderer13/08/2022
Iloveducks11/06/2022
Tricky11/06/2022
beargrylls24/05/2022
Started from the end of the minor road leading to Nantcol where a £3 fee is payable to the farmer. A Eleven mile route taking in Rhinog Fawr, Rhinog Fach, Y Llethr, Crib y rhiw, Diffwys and its west top, the first four miles is very tough taking us about four hours but once over Y Llethr it becomes easier with grass slopes and finishing in Eight hours total.WAYNE ROWLETT14/05/2022
geoffreycurnock14/05/2022
GuyF04/04/2022
Nirobi9906/03/2022
CXB09/02/2022
HH28/08/2021
JDMCGARRIGLE24/08/2021
With JackW & RobN. CW loop of the Rhinogs. From farmer's CP in Cwm Nantcol at SH634262.masmith02/08/2021
With MS and JW. Via Foel Ddu, Rhinog Fawr, Rhinog Fach, Y Llethr, Diffwys. Clear weather, great views, long day.robertgn02/08/2021
Mark65Evans21/07/2021
Peterdunscar13/07/2021
From Barmouth to Tal Y BontDanmawr02/07/2021
sbyeates29/05/2021
From parking area at end of Llechfraith road. Old track to Harlech towards ridge, then more direct. Diffwys West top, Diffwys, then back down ridge to Barmouth taking in tops on the way. With B and R.jenx28/05/2021
easy path up from Diffwys west which is the route we did. a hard to reach top from Cwm nantcolAristotle Chip18/05/2021
Curlywurly18/05/2021
rickeeling01/05/2021
Mark65Evans26/04/2021
With Kim & Rufus in deep powder snow. Parked at the parking area at the road end in Cwm Mynach - off the A496. Followed the Forest track N then turned off left along a minor path a few hundred metres before Llyn Cwm Mynach. Followed path up through woodland then up through the old manganese mine works with increasingly deep powder snow to the ridge. Followed the ridge south through deep snow to a moonlit summit at around 7am. Returned same way.jacobrichmond04/12/2020
from Cwm Nantcol via Llyn Hywel, Rhinog Fach and Y LlethyrIanHHill09/10/2020
Overcast ascent from wild camp at Llyn Hywell of Rhinog Fach (712m), followed by ascent of Y Llethr (756m) with cloud base now above the peak. Followed ridge southwards to Crib-y-rhiw (681m), Diffwys (750m), and Diffwys West Top (643m) in growing sunshine but continuing strong cold winds. Descended north to Pont-Scethin, a climb over the saddle between Moelfre Y Llethr, and down into Cwm Nantcol. Another pathless ascent to the col between Foel Ddu and Rhinog Fawr before final descent via Gloyw Lyn to Cwm Bychan. 20Km, 993m ascent, 1393m descent.VirtualMountain19/09/2020
Chasejet12/09/2020
GMmaryjdavies10/09/2020
oldbagger2709/09/2020
Last summit of the day. A revisit after coming here last year but clearly didn't log it. I could have dropped down earlier but was enjoying the views. Part of 26 mile route from Ganllwyd. Y Garn - Rhinog Fach - Y Llethr - Diffwysmeltdiceburg30/07/2020
georgecaren10/05/2020
haylesb16/02/2020
tomcr8803/12/2019
Mark65Evans02/10/2019