Mountain (Hewitt), Nuttall  & Marilyn Icon

Allt-fawr (Moelwyns)
698m (2291ft)

The Moelwyns, Snowdonia, Conwy, Wales

Allt-fawr (Moelwyns) means 'High Hill' in Welsh.

The summit of Allt-fawr (Moelwyns) is marked by a rocky outcrop.


Record Allt-fawr (Moelwyns) as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
68th highest in Wales,
175th in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
88th highest in Wales,
223rd in England & Wales

Welsh Marilyn Icon

Welsh Marilyn
34th highest in Wales,
599th highest in Great Britain

Walk Allt-fawr (Moelwyns) walking UK Mountains in The Moelwyns Snowdonia National Park ConwyGwynedd, Wales

Allt-fawr (Moelwyns) Summit

Photo: Edward Jones

You can find Allt-fawr (Moelwyns) & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps: (click/TAP to select)

Snowdonia National Park


1:25,000 scale OS Explorer Map (the ones with orange/yellow covers):

OL17 Snowdon/Yr Wyddfa and Conwy Valley/Dyffryn Conwy


1:50,000 scale OS Landranger Map (the ones with pink/magenta covers):

115 Snowdon & Caernarfon


See Allt-fawr (Moelwyns) and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Allt-fawr (Moelwyns) and the surrounding tops on our downloadable PDF Peak Bagging Map:


Not familiar with Allt-fawr (Moelwyns)?

See the location of Allt-fawr (Moelwyns) and the walk that climbs it on an interactive Google Map


You can walk to the top of Allt-fawr (Moelwyns) by using this easy‑to‑follow route map:
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Walk cw115 Allt-fawr, Moel Druman and Ysgafell Wen from Crimea Pass (Bwlch y Gorddinan)

Superb views in glorious solitude

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Vital Statistics:

Length: 6.5mls (10.5km)
Ascent:2,422ft (738m)
Time:5 hrs
Grade:Walk Grade 6 Icon (Moderate)

Other walkers who hiked, climbed, bagged and summited Allt-fawr (Moelwyns) Fellow go4awalkers who have already walked, climbed, summited & bagged Allt-fawr (Moelwyns)

Donovan Suddell walked up Allt-fawr (Moelwyns) on February 21st, 2023 [from/via/route] Cefn Dddwysarn [with] wife [weather] very very wete - very soggy underfoot & very wet throughout

Mark Davidson climbed Allt-fawr (Moelwyns) on July 13th, 2011 [from/via/route] Walk cw115 Allt-fawr, Moel Druman & Ysgafell Wen from Crimea Pass (Bwlch y Gorddinan) [with] Alone [weather] Rather cloudy - Quite a lot of walking across rough grass on this one

Christina Lander bagged Allt-fawr (Moelwyns) on July 9th, 2022 [from/via/route] Tanygrisiau - Llyn Cwmorthin - Allt-fawr - Moel Druman - Rhosydd Quarry - down the incline back to Tanygrisiau [with] Dick [weather] Sunny & very warm - Sunny afternoon walk on the way to our holiday cottage in Dolwyddelan, tracks a bit sketchy on the initial ascent to Allt-fawr

Melfyn Parry hiked Allt-fawr (Moelwyns) on December 22nd, 2021 [from/via/route] CW115 from Crimea pass [with] DS [weather] Good in the morning, got very wet in the afternoon

Alan Smith summited Allt-fawr (Moelwyns) on May 18th, 2021 [from/via/route] Crimea pass [with] kevin [weather] Mixed rain hail & sunshine

Bleddyn Rhys conquered Allt-fawr (Moelwyns) on May 5th, 2018 [from/via/route] Cychwyn o'r Crimea. Allt-fawr, rownt top Cwmorthin ac drost Cnicht cyn disgyn lawr i Ring Llanfrothan am rescue pickup! [with] ar ben fy hyn! [weather] Braf iawn a poeth - dechrau'r Gwanwyn. Diwrnod braf iawn - 15 Km - 4 awr a hanner Rhedeg yr holl ffordd lawr or Cnicht i pub am fy mod yn hwyr, ond dal i gyraedd cyn y rescue team! Golygfeudd gwych or'r Moelwynions - gyda cwmwl yn rhowlio trostynt tra on ni'n yr haul!

Robert Taylor-Marriott scaled Allt-fawr (Moelwyns) on October 17th, 2013 [from/via/route] Route 53: Allt-fawr, Ysgafell Wen, + North & Far North (AYW) Completed 17.10.13 [with] Vince Wetton & Robert Taylor-Marriott [weather] Fair, cloudy, & rain.

Vince Wetton walked up Allt-fawr (Moelwyns) on October 17th, 2013 [from/via/route] Route CW 115 [with] RTM [weather] In Clouds all day - Some Rain - Return from peaks seriously hard going

David Lane climbed Allt-fawr (Moelwyns) on December 1st, 2006 [with] Kelly

Gerald Murphy bagged Allt-fawr (Moelwyns) on May 5th, 2012 [from/via/route] cw115 walked from the Footpath sign at the gate near the summit of the Crimea Pass (A470). [with] alone [weather] variable - dry & warm withsunshine then cloud.Later darker, colder, cloudier with flakes of snow. Finally warm & sunny agin with light cloud. - This (very) boggy walk was a bit of a marathon. After Iwerddon (Allt Fawr), Allt Fawr itself & Moel Druman I continued to Ysgafell Wen as per cw115 but then took my first detour. I walked back via Llyn y Adar up the North Ridge of Cnicht to it's summit. The views across towards Snowdon were my reward. This first leg took me 4 hours. I then made an unintended detour - I mistook the summit of Moel Meirch for what I assumed would be Ysgafell Wen North Top. Anyway it was a pleasant diversion. I then realised that the summit was completely wrong in relation to nearby Siabod. Back to the map! I quickly found my way back on track to Ysgafell Wen North Top & Far North Top. The downhill walk from there was steep - as stated in the directions but I failed completely to find Moel Fleddiau (the ruined farmhouse) - at least, not within 1.5km of Ysgafell Wen far North Top. I did find some ruins & Moel Lledr but, when I got to the final hill, Moel Dyrnogydd I decided to walk instead, via the clear track, to Roman Bridge via Blaenau Dolwydellan. My wife picked me up at the station.

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Not familiar with Allt-fawr (Moelwyns)?

See the location of Allt-fawr (Moelwyns) and the walk that climbs it on an interactive Google Map


More Photographs & Pictures of views from, on or of Allt-fawr (Moelwyns)

The shoulder of Moelwyn Mawr (left) and Cnicht above Llyn Conlog from Allt-fawr (Moelwyns)

The shoulder of Moelwyn Mawr (left) and Cnicht above Llyn Conlog from Allt-fawr (Moelwyns)

Photo: Gerald Murphy (32)

The Snowdon Massif - Yr Aran (far left in sunlight), Snowdon (Yr Wyddfa), Y Lliwedd (in sunlight), Garnedd Ugain (Crib y Ddysgl) and Crib Goch - from Allt-fawr (Moelwyns)

The Snowdon Massif - Yr Aran (far left in sunlight), Snowdon (Yr Wyddfa), Y Lliwedd (in sunlight), Garnedd Ugain (Crib y Ddysgl) and Crib Goch - from Allt-fawr (Moelwyns)

Photo: Gerald Murphy (30)

Sheep safely grazing on Allt-fawr (Moelwyns) with Moel Penamnen and Manod Mawr across the valley in the distance

Sheep safely grazing on Allt-fawr (Moelwyns) with Moel Penamnen and Manod Mawr across the valley in the distance

Photo: Gerald Murphy (28)

Allt-fawr (Moelwyns) from Iwerddon (Allt-fawr)

Allt-fawr (Moelwyns) from Iwerddon (Allt-fawr)

Photo: Edward Jones (3)

Gloddfa Ganol Slate Mine and Blaenau Ffestiniog from Allt-fawr (Moelwyns)

Gloddfa Ganol Slate Mine and Blaenau Ffestiniog from Allt-fawr (Moelwyns)

Photo: Edward Jones (6)

Allt-fawr (Moelwyns) and Iwerddon (Allt-fawr) from Crimea Pass (Bwlch y Gorddinan)

Allt-fawr (Moelwyns) and Iwerddon (Allt-fawr) from Crimea Pass (Bwlch y Gorddinan)

Photo: Edward Jones (2)

Cnicht and Cnicht (North Top) from Allt-fawr (Moelwyns)

Cnicht and Cnicht (North Top) from Allt-fawr (Moelwyns)

Photo: Gerald Murphy (26)

Garreg Flaenllym and Blaenau Ffestiniog from Allt-fawr (Moelwyns)

Garreg Flaenllym and Blaenau Ffestiniog from Allt-fawr (Moelwyns)

Photo: Gerald Murphy (27)

Allt-fawr (Moelwyns) and Moel Druman from Ysgafell Wen summit cairn

Allt-fawr (Moelwyns) and Moel Druman from Ysgafell Wen summit cairn

Photo: Edward Jones (9)

Iwerddon (Allt-fawr) and Llyn Iwerddon from Allt-fawr (Moelwyns)

Iwerddon (Allt-fawr) and Llyn Iwerddon from Allt-fawr (Moelwyns)

Photo: Edward Jones (4)

Moel Druman and Llyn Conglog from Allt-fawr (Moelwyns)

Moel Druman and Llyn Conglog from Allt-fawr (Moelwyns)

Photo: Edward Jones (7)


Send us your photographs and pictures on, of, or from Allt-fawr (Moelwyns)

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Not familiar with Allt-fawr (Moelwyns)?

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