Mountain (Hewitt), Nuttall  & Marilyn Icon

Trum y Ddysgl
709m (2327ft)

The Moel Hebog Area, Snowdonia, Gwynedd, Wales

Trum y Ddysgl means 'Dish Ridge' in Welsh and is pronounced 'tree-mee-th-isgl'.


Record Trum y Ddysgl as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
65th highest in Wales,
160th in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
84th highest in Wales,
202nd in England & Wales

Welsh Marilyn Icon

Welsh Marilyn
32nd highest in Wales,
572nd highest in Great Britain

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

See Trum y Ddysgl and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Trum y Ddysgl by using any of these 3 easy‑to‑follow route maps:
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Walk gw188 The first part of the Nantlle Ridge from Rhyd-Ddu

The Nantlle Ridge is one of the finest ridge walks in Britain

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Vital Statistics:

Length: 6.5ml (10.5km)
Ascent:2,304ft (702m)
Time:4.75hrs
Grade:Walk Grade 5 Icon (Moderate)
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Walk gw201 The Nantlle Ridge from Rhyd-Ddu

Classic Welsh Ridge Walk

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Vital Statistics:

Length: 9.5mls (15.5km)
Ascent:4,017ft (1,224m)
Time:7.75hrs
Grade:Walk Grade 7 Icon (Hard)
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Walk gw164 The full Nantlle Ridge and Craig Cwm Silyn from Rhyd-Ddu

Tough one for the Peak Baggers (see note)

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Vital Statistics:

Length: 11.5ml (18.5km)
Ascent:4,496ft (1,370m)
Time:8.75hrs
Grade:Walk Grade 8 Icon (Hard)

Other walkers who hiked, climbed, bagged and summited Trum y Ddysgl Fellow go4awalkers who have already walked, climbed, summited & bagged Trum y Ddysgl

Donovan Suddell walked up Trum y Ddysgl on May 27th, 2023 [from/via/route] Rhyd Ddu [with] Wife [weather] Beautiful sunny day

Mark Davidson climbed Trum y Ddysgl on August 5th, 2003 [from/via/route] Walk gw164 The full Nantlle Ridge & Craig Cwm Silyn from Rhyd-Ddu [with] Alone [weather] Nice & sunny - perfect conditions for top ridge walks in the UK

Melfyn Parry bagged Trum y Ddysgl on March 20th, 2019 [from/via/route] Start & finish in lay-by at Rhyd Ddu 566526. Very steep incline to summit of Y Garn, low cloud until above 600m & then came out into sunshine. Great views over to Snowdon to the east & Nantlle & Anglesey to west & north west. Continued on ridge to scramble up Mynydd Drws y Coed, quite challenging in one or two sections. Walking in low cloud again, very wet, with limited visibility. Continued along Trym y Ddysgl & on up to the obelisk on Mynydd Tal y Mignedd. Had lunch in the shelter of a dry stone wall. Descent from here was quite a steep grassy bank crossing over streams & disused inclines. At 540502 the path was not evident & we through bogland & forest to find the forest track at 544498. From there easy route back to start. [with] ChW & CW [weather] Mostly cloudy, short spell of sunshine on Y Garn

Sion Britton hiked Trum y Ddysgl on August 2nd, 2020 [from/via/route] Nantlle Ridge Walk. Cerdded o Rhyd-Ddu. [with] Rhiannon [weather] Sunny

Andy Buxton summited Trum y Ddysgl during August, 1964 [from/via/route] Nantlle Ridge from Rhyd-Ddu to Nantlle [with] Dad

Bleddyn Rhys conquered Trum y Ddysgl on August 29th, 2011 [from/via/route] O'r pub yn rhyd ddu i Garn [with] AR ben fy hyn bach [weather] Amrywiol, cymylog a gwlyb weithiau - Wedi gwneud y ridge yma sawl gwaith, gan gynwys un tro gyda Kev ar ol cysgu yn Rhyd Ddu yn 2013 neu 2014 on doedd gennai ddim camera!

Chris Newham scaled Trum y Ddysgl on February 18th, 2017 [from/via/route] gw201 [with] Craig [weather] Low cloud - Very steep decent at end the ladder style has gone & a new barbed wire fence installed as a result we had to go all the way down the very steep slope & climb a padlocked gate to get back on track then you have to walk across very boggy ground on a footpath not often used. However despite this a very good walk.

Christina Lander walked up Trum y Ddysgl on August 16th, 2016 [from/via/route] Nantlle Ridge Rhyd-Ddu - Y Garth - Mynydd Drws Y Coed - Trum Y Ddysgl - Mynydd Tal Y Mignedd - Craig Cwm Silyn - Garnedd Goch - Mynydd Craig Goch - Llyn Cwm Dulyn - Nebo [with] Dick [weather] Perfect sunny day

Gerald Murphy climbed Trum y Ddysgl on April 18th, 2015 [from/via/route] Rhyd Ddu & Nantlle Ridge [with] see notes on Craig Cwm Silyn [weather] Good but windy

Stephen Lewis bagged Trum y Ddysgl on June 9th, 2013 [from/via/route] Rhyd-Ddu [with] Team Trail weekend [weather] Hot & sunny

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

. . . [see more walk reports]



More Photographs & Pictures of views from, on or of Trum y Ddysgl

The Nantlle Ridge - Mynydd Drws-y-coed (left) and Trum y Ddysgl from Y Garn (Moel Hebog) summit

The Nantlle Ridge - Mynydd Drws-y-coed (left) and Trum y Ddysgl from Y Garn (Moel Hebog) summit

Photo: David Zuckerman (8)

Mynydd Mawr (Llyn Cwellyn), Y Garn (Moel Hebog), The Nantlle Ridge and Mynydd Drws-y-coed from Trum y Ddysgl - with The Snowdon Massif (Moel Eilio (Llanberis), Foel Gron, Moel Cynghorion, Garnedd Ugain (Crib y Ddysgl), Snowdon (Yr Wyddfa), Y Lliwedd and Yr Aran) forming the backdrop

Mynydd Mawr (Llyn Cwellyn), Y Garn (Moel Hebog), The Nantlle Ridge and Mynydd Drws-y-coed from Trum y Ddysgl - with The Snowdon Massif (Moel Eilio (Llanberis), Foel Gron, Moel Cynghorion, Garnedd Ugain (Crib y Ddysgl), Snowdon (Yr Wyddfa), Y Lliwedd and Yr Aran) forming the backdrop

Photo: David Zuckerman (16)

Mynydd Drws-y-coed (The Nantlle Ridge) and Trum y Ddysgl from Y Garn (Moel Hebog)

Mynydd Drws-y-coed (The Nantlle Ridge) and Trum y Ddysgl from Y Garn (Moel Hebog)

Photo: David Zuckerman (9)

Trum y Ddysgl from Mynydd Tal-y-mignedd summit

Trum y Ddysgl from Mynydd Tal-y-mignedd summit

Photo: David Zuckerman (24)

The Nantle Ridge - Mynydd Tal-y-mignedd (front left), The Hiatus (front right), Trum y Ddysgl (right) and Y Garn (Moel Hebog) (centre) from the summit of Craig Cwm Silyn

The Nantle Ridge - Mynydd Tal-y-mignedd (front left), The Hiatus (front right), Trum y Ddysgl (right) and Y Garn (Moel Hebog) (centre) from the summit of Craig Cwm Silyn

Photo: Gerald Murphy (173)

Mynydd Drws-y-coed & The Nantlle Ridge - with The Snowdon Massif (Garnedd Ugain (Crib y Ddysgl), Snowdon (Yr Wyddfa), Y Lliwedd and Yr Aran) beyond from Trum y Ddysgl

Mynydd Drws-y-coed & The Nantlle Ridge - with The Snowdon Massif (Garnedd Ugain (Crib y Ddysgl), Snowdon (Yr Wyddfa), Y Lliwedd and Yr Aran) beyond from Trum y Ddysgl

Photo: David Zuckerman (19)

The Hiatus (bottom centre), Mynydd Tal-y-mignedd (far right) and Yr Eifl (The Rivals) on the Llyn peninsula (top far left) from Trum y Ddysgl

The Hiatus (bottom centre), Mynydd Tal-y-mignedd (far right) and Yr Eifl (The Rivals) on the Llyn peninsula (top far left) from Trum y Ddysgl

Photo: Gerald Murphy (157)

Look! Its me ;-) on Moel Hebog last April with Craig Cwm Silyn (left), Mynydd Tal-y-mignedd (centre right), Trum y Ddysgl (right) on the horizon and Moel Lefn and Moel yr Ogof in the mid-distance

Look! Its me ;-) on Moel Hebog last April with Craig Cwm Silyn (left), Mynydd Tal-y-mignedd (centre right), Trum y Ddysgl (right) on the horizon and Moel Lefn and Moel yr Ogof in the mid-distance

Photo: Hilda Wright (1)

The Nantlle Ridge - Garnedd-goch, Craig Cwm Silyn, Mynydd Tal-y-mignedd, Bwlch Dros-bern, Trum y Ddysgl and Mynydd Drws-y-coed - from Moel Lefn

The Nantlle Ridge - Garnedd-goch, Craig Cwm Silyn, Mynydd Tal-y-mignedd, Bwlch Dros-bern, Trum y Ddysgl and Mynydd Drws-y-coed - from Moel Lefn

Photo: Gerald Murphy (208)

Mynydd Tal-y-mignedd from Trum y Ddysgl

Mynydd Tal-y-mignedd from Trum y Ddysgl

Photo: Gerald Murphy (156)

Moel Hebog, Moel Lefn and Moel yr Ogof from Trum y Ddysgl with Bwlch-y-Ddwy-elor bottom left

Moel Hebog, Moel Lefn and Moel yr Ogof from Trum y Ddysgl with Bwlch-y-Ddwy-elor bottom left

Photo: David Zuckerman (21)

Craig Cwm Silyn and Mynydd Tal-y-mignedd

Craig Cwm Silyn and Mynydd Tal-y-mignedd

Photo: David Zuckerman (22)

The Nantlle Ridge - Mynydd Tal-y-mignedd, Bwlch Dros-bern, Trum y Ddysgl and Mynydd Drws-y-coed from Moel Lefn

The Nantlle Ridge - Mynydd Tal-y-mignedd, Bwlch Dros-bern, Trum y Ddysgl and Mynydd Drws-y-coed from Moel Lefn

Photo: Gerald Murphy (209)

The Nantlle Ridge - Mynydd Drws-y-coed (left) and Trum y Ddysgl from a cairn on the slopes of Y Garn (Moel Hebog)

The Nantlle Ridge - Mynydd Drws-y-coed (left) and Trum y Ddysgl from a cairn on the slopes of Y Garn (Moel Hebog)

Photo: David Zuckerman (3)

Mynydd Mawr (Llyn Cwellyn) from Trum y Ddysgl - with Moel Eilio (Llanberis) (beyond right)

Mynydd Mawr (Llyn Cwellyn) from Trum y Ddysgl - with Moel Eilio (Llanberis) (beyond right)

Photo: David Zuckerman (17)

Moel Hebog, Moel Lefn and Moel yr Ogof from the top of Trum y Ddysgl

Moel Hebog, Moel Lefn and Moel yr Ogof from the top of Trum y Ddysgl

Photo: David Zuckerman (20)

Y Garn (Moel Hebog) from Trum y Ddysgl - with Foel Goch (left), Moel Cynghorion (right) and Elidir Fawr between

Y Garn (Moel Hebog) from Trum y Ddysgl - with Foel Goch (left), Moel Cynghorion (right) and Elidir Fawr between

Photo: David Zuckerman (18)

Climbing Mynydd Drws-y-coed on the Nantlle Ridge with Trum y Ddysgl beyond (right)

Climbing Mynydd Drws-y-coed on the Nantlle Ridge with Trum y Ddysgl beyond (right)

Photo: Gerald Murphy (154)

The Nantlle Ridge - Y Garn (Moel Hebog), Mynydd Drws-y-coed and Trum y Ddysgl from Craig y Bera on Mynydd Mawr (Llyn Cwellyn)

The Nantlle Ridge - Y Garn (Moel Hebog), Mynydd Drws-y-coed and Trum y Ddysgl from Craig y Bera on Mynydd Mawr (Llyn Cwellyn)

Photo: Gerald Murphy (137)

Trum y Ddysgl from Mynydd Drws-y-coed

Trum y Ddysgl from Mynydd Drws-y-coed

Photo: David Zuckerman (12)


. . . see all 20 walk photographs & pictures of views from, on or of Trum y Ddysgl


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