Mountain (Hewitt), Nuttall, Marilyn & OS Trig Point Icon

Arenig Fawr (Moel Yr Eglwys)
854m (2802ft)

The Arenigs, Snowdonia, Gwynedd, Wales


Tap/mouse over a coloured circle (1-3 easy walks, 4-6 moderate walks, 7-9 hard walks) and click to select.



The summit of Arenig Fawr (Moel Yr Eglwys) is marked by an Ordnance Survey Trig Point.


Record Arenig Fawr (Moel Yr Eglwys) as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
24th highest in Wales,
46th in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
27th highest in Wales,
53rd in England & Wales

Welsh Marilyn Icon

Welsh Marilyn
12th highest in Wales,
311th highest in Great Britain

Welsh Trig Point Icon


Welsh Trig Point (Pillar)

Walk Arenig Fawr (Moel Yr Eglwys) walking UK Mountains in The Arenigs Snowdonia National Park Gwynedd, Wales

Arenig Fawr (Moel Yr Eglwys) Summit

Photo: John Roberts

You can find Arenig Fawr (Moel Yr Eglwys) & 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):

OL18 Harlech, Porthmadog & Bala/Y Bala


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

124 Dolgellau & Porthmadog


125 Bala & Lake Vyrnwy, Berwyn


See Arenig Fawr (Moel Yr Eglwys) and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Arenig Fawr (Moel Yr Eglwys) and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Arenig Fawr (Moel Yr Eglwys) by using any of these 3 easy‑to‑follow route maps:
Walking Boot Print Icon

Walk gw138 Arenig Fawr (Moel Yr Eglwys) via Llyn Arenig Fawr from Pont Rhyd-y-Fen

Quiet secluded hills with great views

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Vital Statistics:

Length: 7.25ml (11.5km)
Ascent:2,781ft (848m)
Time:5½ hrs
Grade:Walk Grade 6 Icon (Moderate)
Walking Boot Print Icon

Walk gw133 Arenig Fawr (Moel Yr Eglwys), Moel Llyfnant and Gallt yDaren via the NW Ridge from Pont Rhyd-y-Fen

Quiet secluded hills with great views

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Walk GPX Icon
Walk PDF Icon

Vital Statistics:

Length: 11.5ml (18.5km)
Ascent:3,382ft (1,031m)
Time:7½ hrs
Grade:Walk Grade 7 Icon (Hard)
Walking Boot Print Icon

Walk gw119 Arenig Fawr (Moel Yr Eglwys), Moel Llyfnant and Gallt yDaren via Llyn Arenig Fawr from Pont Rhyd-y-Fen

Quiet secluded hills with great views

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Walk GPX Icon
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Vital Statistics:

Length: 13.75ml (22km)
Ascent:3,651ft (1,113m)
Time:8½ hrs
Grade:Walk Grade 8 Icon (Hard)

Other walkers who hiked, climbed, bagged and summited Arenig Fawr (Moel Yr Eglwys) Fellow go4awalkers who have already walked, climbed, summited & bagged Arenig Fawr (Moel Yr Eglwys)

Christina Lander walked up Arenig Fawr (Moel Yr Eglwys) on May 21st, 2023 [from/via/route] Llyn Arenig - the bothy - Arenig Fawr - Arenig Fawr South top - Craig y Bychau - Amnodd-wen [with] Dick [weather] Sunny day

Melfyn Parry climbed Arenig Fawr (Moel Yr Eglwys) on July 30th, 2023 [from/via/route] Parked in the small carpark near the Arenig Quarry & walked briefly along the minor road in the direction of Bala, towards Llidiardau. Take the water board track to the dam at Llyn Arenig, cross the stile at the bothy & cross the stream just below the dam. Follow this good path past Carreg Lefain & head on up to Y Castell. The path continues to the summit where you will see a commemorative plaque to the crew of a Flying Fortress that crashed here in 1943. The intention was to continue along the ridge to ascend the South & Far South Top, however the wind strength picked up & heavy rain was forecast so a decision was made to return to the car park down the fence line along the ridge over Craig y Hyrddod joining the track from Amnodd-Bwll (quite boggy at this section), to rejoin the minor road slightly west of the starting point. [with] With 14 members of PRC [weather] Generally a dry day with the odd spot of rain, gusting wind which was very strong at the summit. Visibility was excellent apart from at the summit where there was low cloud. - Stunning views in all directions from just below the summit. Aiming to return to this area soon to bag the other Nuttalls.

Donovan Suddell bagged Arenig Fawr (Moel Yr Eglwys) on April 14th, 2022 [from/via/route] Pont Ryh y Fen [with] Wife [weather] overcast, cloudy & drizzle

Tracy Lewis hiked Arenig Fawr (Moel Yr Eglwys) on August 25th, 2021 [from/via/route] Pont yr Daf [with] Erfyl and Luna [weather] Sunny & warm

Bleddyn Rhys summited Arenig Fawr on April 22nd, 2019 [from/via/route] Fynnu mewn awr mewn llinell syth or llwybr chwaral. [with] Ar ben fy hyn... [weather] Eithaf braf ond 'hazy'... - Gweld y gofeb ir B52 a cerdded lawr y grib Gogleddol

Mark Hanley conquered Arenig Fawr on July 22nd, 2018 [with] alone [weather] cloudy

Oliver Hunter scaled Arenig Fawr on April 2nd, 2017 [from/via/route] Walked from the car park opposite Arenig Quarry, around Llyn Arenig Far (reservoir), along Carreg Lefain & Y Castell up to Arenig Fawr. Had lunch enjoying the considerable views before finding our way down the western circular path back to the car park. [with] Richard, Tim & Ela [weather] Cloudy with sunny spells - One of the walks on the Northants County Scout Walking Training Weekend in April 2017

Mark Davidson walked up Arenig Fawr (Moel Yr Eglwys) on May 12th, 2009 [with] Alone [weather] Lovely & sunny & warm - Fantastic views & few people

Stephen Lewis climbed Arenig Fawr during July, 2012 [from/via/route] Bala weekend [with] Alone [weather] Sunny

David Lane bagged Arenig Fawr on November 30th, 2006 [with] Kelly

Louise Sandwith, Stephanie Doyle, Louis Smith, Linda Mckeogh, Elaine Grayson, Paul Booth, Trevor Williams, Stephen Millington, Stephen Hobdell and Kath Edwards have all walked, climbed & bagged Arenig Fawr.

To add (or remove) your name and experiences on this page - Log On and edit your Personal Mountain Bagging Record

. . . [see less walk reports]



More Photographs & Pictures of views from, on or of Arenig Fawr (Moel Yr Eglwys)

Llyn Arenig Fawr with Arenig Fawr (Moel Yr Eglwys) beyond

Llyn Arenig Fawr with Arenig Fawr (Moel Yr Eglwys) beyond

Photo: Steven Nash (3)

Llyn Arenig Fawr Dam outflow with Arenig Fawr (Moel Yr Eglwys) itself in the background

Llyn Arenig Fawr Dam outflow with Arenig Fawr (Moel Yr Eglwys) itself in the background

Photo: Christopher Barton (5)

Old fence posts on Arenig Fawr (Moel Yr Eglwys)

Old fence posts on Arenig Fawr (Moel Yr Eglwys)

Photo: Steven Nash (6)

Arenig Fawr (Moel Yr Eglwys) summit trig point and memorial plaque

Arenig Fawr (Moel Yr Eglwys) summit trig point and memorial plaque

Photo: Steven Nash (7)

Llyn Arenig Fawr from the upper slopes of Arenig Fawr (Moel Yr Eglwys)

Llyn Arenig Fawr from the upper slopes of Arenig Fawr (Moel Yr Eglwys)

Photo: Christopher Barton (6)

Arenig Fawr (Moel Yr Eglwys) summit

Arenig Fawr (Moel Yr Eglwys) summit

Photo: Christopher Barton (10)

Arenig Fawr (Moel Yr Eglwys) from the summit of Moel Ymenyn

Arenig Fawr (Moel Yr Eglwys) from the summit of Moel Ymenyn

Photo: Anthony Smith (2)

Myself on Arenig Fawr (Moel Yr Eglwys)

Myself on Arenig Fawr (Moel Yr Eglwys)

Photo: David Prothero (1)

Memorial on Arenig Fawr (Moel Yr Eglwys) summit

Memorial on Arenig Fawr (Moel Yr Eglwys) summit

Photo: Christopher Barton (9)

The path down the Arenig Fawr (Moel Yr Eglwys) ridge summit

The path down the Arenig Fawr (Moel Yr Eglwys) ridge summit

Photo: Steven Nash (9)

On the upper Arenig Fawr (Moel Yr Eglwys) ridge

On the upper Arenig Fawr (Moel Yr Eglwys) ridge

Photo: Christopher Barton (7)

Finally approaching the Arenig Fawr (Moel Yr Eglwys) summit

Finally approaching the Arenig Fawr (Moel Yr Eglwys) summit

Photo: Christopher Barton (8)


Send us your photographs and pictures on, of, or from Arenig Fawr (Moel Yr Eglwys)

If you would like to add your walk photographs and pictures featuring views from, on or of Arenig Fawr (Moel Yr Eglwys) to this page, please send them as email attachments (configured for any computer) along with your name to:



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(Guide Resolution = 300dpi. At least = 660pixels (wide) x 440 pixels (high).)

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NB. Please indicate where each photo was taken.




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