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Name:Y Llethr
Hill number:2056
Height:756m / 2480ft
RHB Section:30D: Barmouth to Betws-y-Coed and Bala
Nuttall/Wainwright area:The Rhinogs
County/UA:Gwynedd
Catchment:Mawddach, Artro, Catchment Boundaries
Class:Marilyn, Hump, Simm, Hewitt, Nuttall,
Buxton & Lewis, Bridge, Clem
(Ma,Hu,Tu,Sim,Hew,N,BL,Bg,Cm,P500)
Grid ref:SH 66137 25777
Summit feature:ground near slight bend in wall
Drop:561m
Col:195m  SH699346  
OS map sheet(s):(1:50k) 124
(1:25k) OL18W
Observations:summit is 25m S of cairn
Survey:Abney level
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 544 users, only the latest 50 shown - Show all)ByDate of Ascent
From car park to E of Rhinogs. Followed track / path to Bwlch Drws-Ardudwy, climb to Llyn Hywel and steep climb to Y Lethr (visited both sides of wall). Continued along ridge to climb Crib-y-rhiw (also visited small lump slightly earlier on ridge that isn't much lower). Returned by same route, some sunshine and good views.RobertP12/09/2023
Day two of Dragons Back Raceemily05/09/2023
Rhinogydd south to north: with Hannah, James, Housechild & Vicky.Grinner20/08/2023
Dragons back recceemily06/08/2023
18.4 miles 4201ft walk, start at Ganllwyd NT carpark to Rhinog Fach and Y Llethr, Crib-Y-Rhiw and Diffwys.stephenbuda08/07/2023
Coming from Rhinog Fach, the was my 3rd mountain today, stunning views coming down and going up Y Llethr.Buckleymon20/06/2023
Parked just after the cattle grid, before the farm 632258. Farmer asks for a minimum £3 donation to air ambulance. Tarmac track to Graig Isa, then follow track then ATV track (marked on 1:25k map). ATV track goes all the way to the summit. Down to corner and along to pick up nuttall of Crib y Rhiw. Back to corner then follow fence mostly on ATV tracks all the way to Moelfre. Back down to col then through gate and ATV track (again marked on 1:25k, not the bridletrack marked on 1:50k which didn't seem to exist). Hot day out, got back just before the thunder. 8.3 miles 2600ft of ascent.JulieB12/06/2023
To Bwlch Drws Ardudwy From CP to E - on to Rhinog Fach then Y Llethr - return by outward route.ger25/05/2023
Sarah Nuttalls & Cambrian Way Day 17Rob Rees23/05/2023
From the col above the lake, then back down by the same route and around the lake to the path down and out. Surprisingly grassy on top.Richard08/04/2023
From the south. Mountain bike from hendre forion to end of track north, then picked up miners track to col and along ridge. Returned the same way. 3 hours.jef26/03/2023
2/3 from S.davechaffey15/10/2022
The second 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 Moelfre, climbed up via Moelyblithcwm then steeply up into cloud on the summit. After a short while the cloud lifted for awesome views, and a passing visit from a herd of very impressive goats. Sat and looked over the stupendous views to Rhinog Fawr and Fach for a while. Descended south, then followed the obvious path to Crib-y-Rhiw.thesweetcheat13/09/2022
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
A rough descent from Rhinog Fach, and steep path to W avoids very craggy ridge, leads to almost flat grass summit.Minto31/05/2022
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
Walked up Afon Ysgethin from Talybont past Moelfre over the saddle between the two and up Y Llethr. Tried to get Moelfre on the way back but got stuck on rocks.Jael Break17/04/2022
With E. From accommodation in Dyffryn Ardudwy. Early morning mist cleared giving great views.Beeliner23/09/2021
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
After going over Rhinog Fach, continued from Llyn Hywell up very steep slopes on to Y Llethr, very unassuming hilltop, small cairn can be easily missed. Returned by route up to Llyn Hywel then went left (east) over the wall to descend towards Llyn Bi, picked up a sketchy path, lost the way a little, headed back uphill north west then north east following the line of walls, awkward descent over uneven ground to pick up the forestry trail, two miles from our start point at Graigddu-isaf.Marksalop01/08/2021
11am after dropping down to the lake at the col to refill both my water bottles. Now really hot.vegibagger21/07/2021
2/3 Both Rhinogs and Moelfre after sleeping at Cwm Bychan in van. Lowering cloud and windy at first, sunny and still later. Beautiful route and area. Time includes 30min cycle from Cwm Bychan to Pentre Gwynfryn. Rounsfell19/06/2021
a lovely rounded top and a good ascent from the col of Moelfre. the descent down to the llyn Hywel is a buggerAristotle Chip18/05/2021
from Rhinog Fach. then on to Diffws and back to Cwm Nantcol. If driving in to Cwm Nantcol, best to go from Llanbedr, as route from Dyffryn Ardudwy involves opening and closing 6 gates!IanHHill09/10/2020
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
A round of Rhinog Fawr and Fach then after Y Llethr on to Moelfre.NormanW10/09/2020
GMmaryjdavies10/09/2020
Climbed up after Fach. Steep from Llyn but easier than Fach. Part of 26 mile route from Ganllwyd. Y Garn - Rhinog Fach - Y Llethr - Diffwysmeltdiceburg30/07/2020
After Moelfre a round on the Rhinogs. 1/3 MarilynN.Morters21/07/2020
Round of Moelfre, Y Llethr, Rhinog Fach and Rhinog Fawr from the west.Topographer5710/09/2019
CMC walkgreenways07/09/2019
Part of 2 day wild camp. Ascended from north up grassy slope onto rounded summit area. Descended to SW and up Moelfre. Then descended NW to the road. With Dad. 7.3km.PiranhaFish03/08/2019
Cil-cychwyn > col > Y Llethyr > Crib-y-rhiw > Diffwys> Diffwys (West Top) > Llyn Bodlyn > col > Moelfre > col > Cil-cychwyn.Winterfloodian25/07/2019
A mid-week walk in the Rhinogs.Claireb 10/07/2019
DB Race day 2milejunkie20/05/2019
park nantcol, craig llyn hywel, rginog fach, y llethr, crib y rhiwm diffwys point 688, diffwys, diffwys, diffwys west top down to llyn bodlyn, moelfre then back to nantcolunderhill13/05/2019
Talybont station - Moelfre - Y Llethr - Rhinog Fach - Y Llethr - Crib-y-rhiw - Diffwys - Diffwys W Top - Craig y Grut - Mynydd Egryn - Mynydd Egryn S Top - Garn - bunkhouse between Garn & Ffridd GorllwynMark Jackson17/04/2019
Dragon's Back Reccedc9621/03/2019
doneoutlawcatcher10/10/2018
South Rhinogs from Cil-cychwyn farm (Cwm Nantcol). Walk to Lyn Hywel then climbed Y Leithr, Crib-y-rhiw, Diffwys West Top and Diffwys. On return included Moelfre (Marylin & Dewey).knarf25/09/2018
Ian and gangkenthompson12/05/2018
With LynfaRob Pen y Garn29/04/2018
With Rob.Lynfa Penygarn29/04/2018
started at car park at Cors y Gedol, reached from main road at Dyffryn Ardudwy. PAth across Pont Scethin nad continuing up to what is now the Cambrian Way, via Diffwys. Lovely sunny day. return on boggy path by side of Llyn Bodlyn.gbeniston25/03/2018
Combined with a repeat of Rhinog Fach for a S06 completion. Most snow thawed out, but ground was still well frozen at the summit and deep drifts by the wall made it super easy to climb over.Alex C16/12/2017
3/7 (Craig y Lyn Hywel/Rhinog Fach/Y Leither/Crib-y-Rhiw/Diffyws/Diffwys West Top/Craig y Grut (Lawlech)Fergalh16/09/2017
From Tal-y-Bont anticlockwise to Diffwys then Y Llethr. A rather boring mound but great views of the coast. With Mark, Hamish and Huey.Saggers09/07/2017
Rhinog Fawr, Rhinog Fach, Y Llethr, Crib-y-rhiw, Diffws, Diffws West Top. Followed route in Nuttall's book. Couldn't find anyone at the farm so I left £2 parking fee in the porch. Weather had closed in by the end and it was a long day, made the mistake of following the bridleway at GR634240 on the map instead of getting The Nuttalls book out of my rucksack! Should have turned off at GR 640242 and headed for the gate at GR637246.tsharp07/06/2017