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Diffwys (West Top)
643m (2110ft)

The Rhinogs, Snowdonia, Gwynedd, Wales


Record Diffwys (West Top) as Bagged, Climbed & Conquered


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Welsh Nuttall
147th highest in Wales,
343rd in England & Wales

Walk Diffwys (West Top) walking UK Mountains in The Rhinogs Snowdonia National Park Gwynedd, Wales

Diffwys (West Top) Summit

Photo: John Greaves

You can find Diffwys (West Top) & 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 Map (the ones with pink/magenta covers):

124 Dolgellau & Porthmadog


See Diffwys (West Top) and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Diffwys (West Top) and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Diffwys (West Top) by using this easy‑to‑follow route map:
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Walk gw159 Rhinog Fawr, Rhinog Fach, Y Llethr and Diffwys from Cwm Nantcol

Fantastic - but very long and with two big ascents

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Vital Statistics:

Length: 12mls (19km)
Ascent:4,723ft (1,439m)
Time:9.25hrs
Grade:Walk Grade 8 Icon (Hard)

Other walkers who hiked, climbed, bagged and summited Diffwys (West Top) Fellow go4awalkers who have already walked, climbed, summited & bagged Diffwys (West Top)

Christina Lander walked up Diffwys (West Top) on June 1st, 2023 [from/via/route] Y Llethr - Crib-y-rhiw - Diffwys, from the west [with] Dick [weather] Hot & sunny

Melfyn Parry climbed Diffwys (West Top) on May 17th, 2023 [from/via/route] Started walk from the car park at Maes y Garnedd at 08:45 & followed the route as described on GW159. Notes were generally very good. Path was not easy to follow down from Rhinog Fawr but eventually reached Bwlch Drws Ardudwy & struggled again to find the start of the path up Rhinog Fach, once found it was easy to follow to the summit although it was a hard slog. Once at the top navigation was straightforward to Llyn Hywel albeit quite slow progress due to the nature of the path. Another slog up to Llethr but easy path to follow. From Llethr the grassy path was much easier to make quicker progress & the next three tops (Crib y Rhiw, Diffwys & Diffwys West Top) were reached without difficulty. I decided to go down to Port Scethin & take the bridle path back but this was a mistake as the bridle path as shown on the OS didn't exist. It was hard going through reed beds, boggy land & clumps of heather & bilberry bushes to get back to the path leading back to the carpark, only seeing the bridle path for the final 400m or so. [with] On my own [weather] Sunny spells & quite warm at times especially on uphill sections when in lea of the breeze. On the tops the breeze was chilly. - Stunning views in all directions. Well worth the effort but the ascents are quite hard work, not for the faint hearted.

Mark Davidson bagged Diffwys (West Top) on June 2nd, 2010 [from/via/route] Walk gw159 Rhinog Fawr, Rhinog Fach, Y Llethr & Diffwys from Cwm Nantcol [with] Alone [weather] Bright & sunny - perfect walking conditions

Andy Buxton hiked Diffwys (West Top) on June 20th, 1968 [from/via/route] Rhinogs training walk [with] BVGS

Paul Booth and Trevor Williams have both walked, climbed & bagged Diffwys (West Top).

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




Send us your photographs and pictures on, of, or from Diffwys (West Top)

If you would like to add your walk photographs and pictures featuring views from, on or of Diffwys (West Top) 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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