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

Arenig Fach
689m (2261ft)

The Arenigs, Snowdonia, Gwynedd, Wales

The summit of Arenig Fach is marked by an Ordnance Survey Trig Point.


Record Arenig Fach as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
73rd highest in Wales,
184th in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
95th highest in Wales,
239th in England & Wales

Welsh Marilyn Icon

Welsh Marilyn
36th highest in Wales,
613th highest in Great Britain

Welsh Trig Point Icon


Welsh Trig Point (Pillar)

Walk Arenig Fach walking UK Mountains in The Arenigs Snowdonia National Park Gwynedd, Wales

Arenig Fach Summit

Photo: Robin Slater

You can find Arenig Fach & 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 Fach and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Arenig Fach and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Arenig Fach by using this easy‑to‑follow route map:
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Walk gw104 Carnedd y Filiast and Arenig Fach from Llyn Celyn

A fine hill walk with fine hill views

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Vital Statistics:

Length: 12.75ml (20.5km)
Ascent:2,939ft (896m)
Time:7.75hrs
Grade:Walk Grade 7 Icon (Hard)

Other walkers who hiked, climbed, bagged and summited Arenig Fach Fellow go4awalkers who have already walked, climbed, summited & bagged Arenig Fach

Donovan Suddell walked up Arenig Fach on April 14th, 2023 [from/via/route] Llyn Celyn [with] solo [weather] Rain

Mark Davidson climbed Arenig Fach on May 11th, 2009 [with] Alone [weather] Lovely & sunny & warm - Fantastic Views

Louise Sandwith, Stephanie Doyle, Linda Mckeogh, Paul Booth, Trevor Williams and Stephen Hobdell have all walked, climbed & bagged Arenig Fach.

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



More Photographs & Pictures of views from, on or of Arenig Fach

Arenig Fach from a rusting fence roll on the lower slopes of Moel Llyfnant

Arenig Fach from a rusting fence roll on the lower slopes of Moel Llyfnant

Photo: Christopher Barton (15)

360 degree view from Moel Penamnen summit featuring (from left to right): The Moelwyns - Moelwyn Bach, Craigysgafn & Moelwyn Mawr, Allt-fawr, Moel Druman & Ysgafell Wen, Moel Farlwyd (foreground above/left of blue lake), Yr Aran (pointed peak above Moel Farlwyd), Mount Snowdon (Yr Wyddfa) & Y Lliwedd, The Glyderau - Glyder Fach, Glyder Fawr & Tryfan, Carnedd Moel Siabod, Y Ro Wen, Foel-fras (Moelwyns), Manod Mawr (above two light blue lakes) and The Arenigs - Arenig Fawr & Arenig Fach.

360 degree view from Moel Penamnen summit featuring (from left to right): The Moelwyns - Moelwyn Bach, Craigysgafn & Moelwyn Mawr, Allt-fawr, Moel Druman & Ysgafell Wen, Moel Farlwyd (foreground above/left of blue lake), Yr Aran (pointed peak above Moel Farlwyd), Mount Snowdon (Yr Wyddfa) & Y Lliwedd, The Glyderau - Glyder Fach, Glyder Fawr & Tryfan, Carnedd Moel Siabod, Y Ro Wen, Foel-fras (Moelwyns), Manod Mawr (above two light blue lakes) and The Arenigs - Arenig Fawr & Arenig Fach.

Photo: Dafydd Morgan (43)

Arenig Fach summit trig point and windbreak

Arenig Fach summit trig point and windbreak

Photo: Mark Davidson (52)

Bwlch y Bi summit with Arenig Fach in the distance

Bwlch y Bi summit with Arenig Fach in the distance

Photo: Christopher Barton (19)

Maen-offeren Quarry from Drum House at the top of a disused incline with Arenig Fawr & Arenig Fach (on the horizon) and Moelwyn Bach, Craigysgafn and Moelwyn Mawr  (mid-distance right)

Maen-offeren Quarry from Drum House at the top of a disused incline with Arenig Fawr & Arenig Fach (on the horizon) and Moelwyn Bach, Craigysgafn and Moelwyn Mawr (mid-distance right)

Photo: Dafydd Morgan (32)

Moel Llyfnant summit cairn with Arenig Fach in the distance

Moel Llyfnant summit cairn with Arenig Fach in the distance

Photo: Christopher Barton (13)

Arenig Fach from Afon Celyn (Afon Gelyn)

Arenig Fach from Afon Celyn (Afon Gelyn)

Photo: Robin Slater (6)

Arenig Fach from Llyn Arenig Fawr

Arenig Fach from Llyn Arenig Fawr

Photo: Steven Nash (2)

The Arenigs (Arenig Fawr & Arenig Fach) from Maen-offeren Quarry, Blaenau Ffestiniog

The Arenigs (Arenig Fawr & Arenig Fach) from Maen-offeren Quarry, Blaenau Ffestiniog

Photo: Dafydd Morgan (25)

Arenig Fawr and Arenig Fach from Maen-offeren Quarry, Blaenau Ffestiniog

Arenig Fawr and Arenig Fach from Maen-offeren Quarry, Blaenau Ffestiniog

Photo: Dafydd Morgan (29)


Send us your photographs and pictures on, of, or from Arenig Fach

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



and we shall do our best to publish them.

(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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