Craig Cwm Silyn
734m (2409ft)
The Moel Hebog Area, Snowdonia, Gwynedd, Wales
Craig Cwm Silyn means 'Silyn Valley Crag' in Welsh and is pronounced 'crag koom sileen'.
The summit of Craig Cwm Silyn is marked by a stone shelter.
You can find Craig Cwm Silyn & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps: (click/TAP to select)
1:25,000 scale OS Explorer Map (the ones with orange/yellow covers):
1:50,000 scale OS Landranger Map (the ones with pink/magenta covers):
See Craig Cwm Silyn and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:
See Craig Cwm Silyn and the surrounding tops on our downloadable PDF Peak Bagging Map:
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Vital Statistics:
| Length: | 7mls (11.5km) |
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| Ascent: | 2,123ft (647m) |
| Time: | 4.75hrs |
| Grade: |  (Moderate) |
Route Summary:
Cors y Llyn - Afon Cwm Dulyn - Braich y Llyn - Garnedd-goch - Clogwyn y Cysgod - Craig yr Ogof - Craig Cwm Silyn - Garnedd-goch - Bwlch Cwmdulyn - Mynydd Graig Goch - Cors y Llyn
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Vital Statistics:
| Length: | 9.5mls (15.5km) |
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| Ascent: | 4,017ft (1,224m) |
| Time: | 7.75hrs |
| Grade: |  (Hard) |
Route Summary:
Rhyd-Ddu - Y Garn (Moel Hebog) - The Nantlle Ridge - Mynydd Drws-y-coed - Trum y Ddysgl - The Hiatus - Mynydd Tal-y-mignedd - Bwlch Dros-bern - Craig Cwm Silyn - Cwm Pennant - Bwlch y Ddwy Elor - Beddgelert Forest - Cwm Marchnad - Llyn-y-Gader - Rhyd-Ddu
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Vital Statistics:
| Length: | 11.5ml (18.5km) |
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| Ascent: | 4,496ft (1,370m) |
| Time: | 8.75hrs |
| Grade: |  (Hard) |
Route Summary:
Rhyd-Ddu - Y Garn (Moel Hebog) - The Nantlle Ridge - Mynydd Drws-y-coed - Trum y Ddysgl - The Hiatus - Mynydd Tal-y-mignedd - Bwlch Dros-bern - Craig Cwm Silyn - Garnedd-goch - Craig Cwm Silyn - Cwm Pennant - Bwlch y Ddwy Elor - Beddgelert Forest - Cwm Marchnad - Llyn-y-Gader - Rhyd-Ddu
Fellow go4awalkers who have already walked, climbed, summited & bagged Craig Cwm Silyn
Melfyn Parry walked up Craig Cwm Silyn on June 7th, 2023 [from/via/route] Started walk from the parking area at Llyn Cwm Dulyn, quite close to the footbridge. The intention was to follow route GW203, however as there were 4 of us & the weather was really nice we decided to extend the route. We followed various paths from the footbridge until we joined a tarmac road at SH49160 51157 & then turned right up the hill. At the top there is a gate leading on to the moorland which brings you to Llynnau Cwm Silyn, walk in between the two lakes & then head on up to the obelisk on Tal y Mignedd. From here we descended on easy to follow paths to Bwlch Dros Bern & then headed for the top of Craig Cwm Silyn. From here we followed Route GW203 to pass over the top of Garnedd Goch & then Mynydd Graig Goch before dropping down the path to the other side of Llyn Cwm Dulyn & back to the car. [with] With DS, KG and BM [weather] Sunny & reasonably warm all day. Visibility was excellent - Stunning views in all directions from the summits. Extending the route made it a 10 mile walk rather than the 7 miles quoted for GW203
Donovan Suddell climbed Craig Cwm Silyn on April 10th, 2023 [from/via/route] Cors y llyn [with] wife [weather] Rainy, cloudy, some clear intervals
Mark Davidson bagged Craig Cwm Silyn 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
Andy Buxton hiked Craig Cwm Silyn during August, 1964 [from/via/route] Nantlle Ridge from Rhyd-Ddu to Nantlle [with] Dad
Bleddyn Rhys summited Craig Cwm Silyn 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!
Christina Lander conquered Craig Cwm Silyn 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 scaled Craig Cwm Silyn on April 18th, 2015 [from/via/route] Rhyd Ddu & the Nantlle Ridge [with] Friend Ben Albanese [weather] Clear, Sunny, Dry, Cold before lunch, winds of 40mph or so.
Louis Smith, Math Llwyd, Linda Mckeogh, Paul Booth and Trevor Williams have all walked, climbed & bagged Craig Cwm Silyn.
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More Photographs & Pictures of views from, on or of Craig Cwm Silyn
Garnedd Ugain (Crib y Ddysgl), Snowdon (Yr Wyddfa), Y Lliwedd & Yr Aran from the summit of Craig Cwm Silyn
Mynydd Tal-y-mignedd and Mynydd Drws-y-coed from the summit of Craig Cwm Silyn
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
Moel Lefn towers over Blaen-pennant in Cwm Trwsg from the lower slopes 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
Moel Lefn (centre), Moel yr Ogof and Moel Hebog (right) from the summit of Craig Cwm Silyn
Mynydd Mawr (Llyn Celyn), Craig y Bera, Mynydd Tal-y-mignedd and Mynydd Drws-y-coed from the summit of Craig Cwm Silyn with Garnedd Ugain (Crib y Ddysgl), Snowdon (Yr Wyddfa), Y Lliwedd & Yr Aran on the horizon (centre) and Moel Lefn, Moel yr Ogof & Moel Hebog on the far left
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
Mynydd Mawr (Llyn Celyn) and Craig y Bera from the summit of Craig Cwm Silyn
Craig Cwm Silyn (mid-ground) and Yr Eifl (The Rivals) on The Llyn peninsula (in the distance) and The Jubilee Monument Obelisk on the summit of Mynydd Tal-y-mignedd
Bwlch Dros-bern and Craig Cwm Silyn - with Gyrn Goch, Bwlch Mawr & Gyrn Ddu (far right) from the summit of Mynydd Tal-y-mignedd
The Nantlle Ridge - Garnedd-goch, Craig Cwm Silyn, Mynydd Tal-y-mignedd, Bwlch Dros-bern and Mynydd Drws-y-coed - from Moel Yr Ogof
Mynydd Tal-y-mignedd (centre left) and Craig Cwm Silyn (centre right) from Craig y Bera on Mynydd Mawr (Llyn Cwellyn)
Moel Lefn (centre), Moel yr Ogof and Moel Hebog (right) from the summit of Craig Cwm Silyn
. . . see all 22 walk photographs & pictures of views from, on or of Craig Cwm Silyn
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