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| Name: | Moel y Dyniewyd |
| Hill number: | 2038 |
| Height: | 382.4m / 1255ft |
| County/UA: | Gwynedd |
| Topographical area: | WN05 Siabod-arenig |
| SMC/RHB section: | 30B: Snowdonia |
| Nuttall/Wainwright area: | The Moelwyns |
| Catchment: | Glaslyn |
| Class: | Marilyn, Hump, Tump (300-399m), Clem (Ma,Hu,Tu,3,Cm) |
| Grid ref: | SH 61269 47739 |
| Summit feature: | rock |
| Drop: | 214.3m |
| Col: | 168.1m SH 6372 4926  |
| OS map sheet(s): | (1:50k) 115 (1:25k) OL17W |
| Observations: | ground about 10m N is 10cm lower |
| Survey: | Abney level |
| Change log: | show changes for this hill entry |
| GPS data: | show GPS entries for this hill |
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 257 users, only the latest 50 shown - Show all) | By | Date of Ascent |
| Beddgelert, Llyn Dinas, Moel y Dyniewyd, Grib Ddu, Craig y Llan, Beddgelert. Ascent of Moel y Dyniewyd was from the North. Nobody else seems to take that route. Now I know why - nothing to commend it at all. | ijpowell | 27/03/2024 |
| Parking in NT CP (£4), toilets, at Aberglaslyn SH597462. Under rly arch, up Cwm Bychan on pitched path to col at SH606480. ESE over several false summits including up very steep line beside fence | Isbjorn | 01/02/2024 |
| Via cwm bychan. | Yr Eryr Aur | 09/12/2023 |
| Sygun Copper mines accent with decent to Dinas lake | JDMCGARRIGLE | 24/11/2023 |
| With Mo. Parked in Beddgelert and followed an excellent BBC Countryfile route through the Pass of Aberglaslyn, diverting to the summit and back to make a 7.5 mile walk. Approaching the summit from the south meant I picked the wrong side of the fence to follow, making for an intersting scramble. Was corrected on the descent, which made it much easier. Great views all round. | gbeniston | 17/10/2023 |
| 5.8 mile circular from Beddgelert. We Walked along lovely river path to Pont Aberglaslyn then followed good path up Cwm Bychan to col. An out-and-back to the summit on a narrow trail that goes up steep rocky rises and takes you far too close to a rusty barbed wire fence. We then headed back to Beddgelert taking the stupidly steep descent path below Mynydd Sygyn. 485m ascent. Good views but most of the higher summits around were in cloud. | DanTrig | 12/09/2023 |
| Roadside parking at West end of Llyn Dinas to complete an anticlockwise Aberglaslyn circuit. I spotted the Marilyn was just off our route so we followed the fence line up and back as a slight detour. Easy going. | KevPalmer | 13/08/2023 |
| From NT car park below Nantmor village. Followed public footpath NE to the highest point then undulating walk by fence to double summit. The highest point is south of the fence. Solo. Got absolutely soaked on the way back. | Dangerous Dave | 14/07/2023 |
| With GSAL Scouts and Explorers from Beddgelert, doing the Aberglaslyn circular walk, with an extension along the fence line from the top of the pass. Very heavy showers, and very wet underfoot - feet soaked. Warm sunny intervals between. 12km with 440m ascent, taking us 5 hours. | silverwolf_alan | 11/07/2023 |
| Across from Grib Dhu. Went to both tops. Then across to Craig y Llan. | PeterD | 16/08/2022 |
| From lay by near copper mine, Craig y Llan, Crib Ddu, Moel Y Dyniewyd and asociated tops and return north to Llyn Dinas, excelnt views of bigger tops all around and good walking | underhill | 30/05/2022 |
| #679 Final Welsh Marilyn, England+Wales complete. From the copper mine. Uninspiring summit minus it's cairn! | tim747 | 26/05/2022 |
| 7/7 (Creigiau Gleision North Top/Creigiau Gleision/Craiglwyn/Moel Ddefoid/Craig Wen/Crimpiau/Moel y Dyniewyd) | Fergalh | 18/03/2022 |
| Parked in a layby near the copper mine. There's a footpath all the way to the summit. | Skarletk | 18/12/2021 |
| with Dad | maryjdavies | 20/06/2021 |
| Grib Ddu > Moel y Dyniewyd NW Top > Moel y Dyniewyd from GR: SH 60455 49019. Distance 5.70k and 378m of ascent. | ronaldo333 | 12/06/2021 |
| Grib Ddu > Moel y Dyniewyd NW Top > Moel y Dyniewyd from GR: SH 60455 49019. Distance 5.70k and 378m of ascent. | Hippster | 12/06/2021 |
| From Bedgellert via M.Hebog,M-ddu and Aberglaslyn. Slow going in gorse after track. | davechaffey | 10/05/2021 |
| https://www.strava.com/activities/5192554741 | Sleepwa1ker | 25/04/2021 |
| From lay by at W end of llyn Dinas up lovely path by Afon Goth then the fence to top. Down via the track to the copper mine and the walk along the river. Beautiful round walk in fantastic weather and wonderful views in all directions. | pog100 | 08/08/2020 |
| Up and down from Aberglaslyn. Got to the col, then followed a reasonable path along the fence. Superb views. On to Moel Ddu afterwards. | huwthomas | 28/07/2020 |
| From Sygun Copper Mines, parking in layby on main road. Up mine track to upper bowl, tgen along fence with path to summit. 1/2 Marilyn | N.Morters | 26/07/2020 |
| Wtih Dave Wragg from copper mine on sunny day, the day after big Snowdon round. | Rounsfell | 01/09/2019 |
| From the copr mines via Bwlch-y-Sygyn then along to the style at SH606481 where there is a path on the north side of the fence all the way to the summit. Returned same route but explored various mine shafts on the way down. With elizyanne. | GmacT | 24/07/2019 |
| Lovely day Zig zagged up the hill above copper mine museum. Followed path up until stile then followed path up hill to small summit. Headed back and examined copper mine workings. Interesting walk with different settings. | elizyanne | 24/07/2019 |
| A Marilyn round from Beddgelert, visiting Moel Hebog, Moel-ddu, and Moel y Dyniewyd. Also took in Bryn Banog on the route between Moel Hebog and Moel-ddu. Altogether 22.7km with 1530m ascent, taking 8h 20m. | silveracorn_alan | 10/05/2019 |
| From Llyn Dinas | JamesD1972 | 11/04/2019 |
| From Nantmor CP (£4.00). Moel-Ddu & its W top visited first - then back to CP & on to Moel Y Dyniewyd (there is a path through heather from high point of pass). Moel-Ddu is an excellent hill with super summit views - I basically followed the mapped path but made the mistake of not crossing the FB early on in the forest & following a signed path that is not mapped. | ger | 27/03/2019 |
| From Beddgelert circular via Cwm Bychan. Great summit with panoramic views. | twg27 | 14/03/2019 |
| From Aberglaslyn via good path up Cwm Bychan. Back same way and caught steam train back to Porthmadog | trimarc2 | 07/10/2018 |
| From Aberglaslyn car park. Nice little circular in some dismal weather | Alunrees33 | 07/08/2018 |
| Starting from Craig y Llan, along ridge north-east with several ups and downs. Up rocky gulley underneath Grib Ddu before dropping to bwlch. Up the opposite side by fence with a few small rock steps before reaching summit of bare rock in heather. | Amplifier | 05/07/2018 |
| Third of three tops, after walking over Craig y Llan and Crib Ddu. There is a path from Crib Ddu, make sure that the fence is to your right almost all the way to the to. Near the top cross a stile to reach the top. | Buteobuteo | 13/05/2018 |
| Bob & Duke. | DukeNukem | 23/04/2018 |
| Cands & Duke. | DukeNukem | 28/03/2018 |
| From Sygun via crib ddu tump (well worthy). A fine top this. A similar sort of view to that from the nearby Cnicht. Some tops were in the clouds including the usual suspect Hebog. Descent varied down to Llyn Dinas. A fine 10k route.3 Welsh Marilyns left now. | stig_nest | 27/03/2018 |
| From Beddgelert,down the Aberglaslyn Pass and up through Cwm Bychan. | mad max | 16/01/2018 |
| Pont Aberglaslyn - Bryn Banog - Moel-ddu - Pont Aberglaslyn - Moel y Dyniewyd - Pont Aberglaslyn | davidpettit84 | 29/12/2017 |
| Walked up Cwm Bychan from the car park past the interesting mine remains, then up from the bwlch on steep path near the fence. Superb views. | Neolith | 14/07/2017 |
| With Trefor. From layby on road near old copper mine. Path to Llyn dinas then forked SE and followed path to Bwlch-y-Sygen. Faint path from the col to the summit. Very hot weather. | mike.hoult | 21/06/2017 |
| From Sygun mine. With Craig yLlan & Grib Ddu. Went down the mine after, as I had parked in their car park. Worthwhile. | ngthack | 09/06/2017 |
| Me and Alf. | jrj | 28/12/2016 |
| Part of an early morning run from the LMC hut in Beddgelert | Shutterlag | 25/11/2016 |
| From Sygun Mine on day of Snowdonia Marathon up mountaun walk then just followed track to summit. Returned by row to Llyn Dinas. Excellent little hill. | SS | 29/10/2016 |
| Second ascent | PeteF | 24/09/2016 |
| From Beddgelert we climbed up to SH 6054 4868 above the Sygun Copper Mine from the back lane. Then via Bwlch-y-Sygun (easy scramble) to Grib Ddu. Then followed wall to summit. Returned to Grib Ddu then took the path down to Llyn Dinas and walked back to Beddgelert on the A498 roadside. | G4OBK (Phil) | 16/08/2016 |
| Pretty tough walk from Beddgelert to Nant Gwynant hostel, coming up here first and then on to the two Cnicht Pedwars. Met Maria P futher along, who was a very close person in my life for over a year. You never knew know who you just might bump into whilst out on the hills ... | Twice Shy | 29/07/2016 |
| Parked in Beddgelert, circular walk. Through Aberglaslyn pass along the fisherman's path, then up Cwm Bychan to the top of the pass, then followed fence line to the top. Walked along faint paths to the right of the fence before realising better paths on the left(climbed over fence). Descended same way then onto Grib Ddu and Craig Y Llan. Dropped down path direct to Beddgelert. | Rob50 | 03/07/2016 |
| From Sygun copper mine- best route is to take the obvious track which reaches the crest of the ridge well to the west of the top, then follow the path which parallels the top fence to the summit. This was my return route- outbound involved a lot of heavy cross country yomping! | Cas-gwent | 05/05/2016 |
| From track to nne via two locked small bothy type buildings and subsidiary tops then wnw to tump summit and sw to tump summit then down into Beddgelert and two mile hitch up the road. | vegibagger | 30/04/2016 |