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Snowdonia Area , Moel Hebog Subarea
Feature count in area: 121, by county: : 119, Caernarfonshire [Sir Gaernarfon] (CoH) G: 1, Conwy (CoU): 1,
Highest Place: Snowdon - Yr Wyddfa 1085m

Starting Places in area Snowdonia:

None for this area

Summits & other features in area Snowdonia:
Moel Rhiwen 401m, Moel y Ci 410m, Parc Drysgol 404m
Moel Hebog: Bryn Banog 520m, Castell 445m, Craig Cwm Silyn 734m, Craig-y-garn 363m, Ffridd Bach [Moel-ddu West Top] 534m, Garnedd-goch 700m, Moel Hebog 783m, Moel Lefn 638m, Moel Tryfan 429m, Moel yr Ogof 655m, Moel-ddu 553m, Mynydd Drws-y-coed 695m, Mynydd Graig Goch 609.8m, Mynydd Mawr 698m, Mynydd Tal-y-mignedd 653m, Pen Cwm Silyn 422m, Trum y Ddysgl 709m, Y Garn 633m, Y Gyrn 459m
Snowdon: Cefn-du 441m, Clogwyn Pen Llechen 421m, Craig Fach 608.8m, Craig Wen 604.9m, Crib Goch 923m, Crib y Ddysgl 1065m, Foel Goch 605m, Foel Gron 629m, Gallt y Wenallt 619m, Llechog 720m, Lliwedd Bach 818m, Moel Cynghorion 674m, Moel Eilio 726m, Snowdon - Yr Wyddfa 1085m, Y Lliwedd 898m, Y Lliwedd East Top 893m, Yr Aran 747.2m
The Carneddau: Bera Bach 807m, Bera Mawr 794m, Carnedd Dafydd 1044m, Carnedd Llewelyn 1064m, Carnedd y Ddelw 688m, Cefn Cyfarwydd 503m, Clip y Orsedd 429m, Clogwyn Llech Lefn [Bwlch y Tri Marchog Top] 637m, Clogwyn Mannod 418m, Clogwyn Mannod NW Top 405m, Clogwyn Pryfed 405m, Craig Eigiau 735m, Craig Ffynnon 590m, Craig Wen 548m, Craiglwyn 623m, Creigiau Gleision 678m, Creigiau Gleision North Top 634m, Crimpiau 475m, Drosgl 756.9m, Drum 770m, Foel Grach 976m, Foel Lwyd 600.1m, Foel Meirch 800m, Foel-fras 942m, Foel-ganol 536m, Garnedd Uchaf [Carnedd Gwenllian] 926m, Gyrn 541.3m, Gyrn Wigau 643m, Llwytmor 849m, Moel Eilio 546m, Moel Faban 408.7m, Moel Wnion 579.9m, Mynydd Deulyn 400m, Pen Llithrig y Wrach 799m, Pen y Castell 623m, Pen yr Helgi Du 833m, Pen yr Ole Wen 978m, Penygadair 507m, Tal y Fan 610m, Waen Bryn-gwenith 414m, Yr Elen 962m, Yr Orsedd 559m
The Glyders: Carnedd y Filiast 821m, Carnedd y Filiast North Top [Y Fronllwyd] 720m, Castell y Gwynt 972m, Elidir Fawr 924m, Foel-goch 831m, Gallt yr Ogof 763m, Glyder Fach 994.3m, Glyder Fawr 1000.8m, Moel Berfedd 482m, Mynydd Perfedd 813m, Tryfan 917.5m, Tryfan Far South Peak 830.8m, Y Foel Goch 805m, Y Garn 947m
The Moelwyns: Allt Fawr 698m, Carnedd y Cribau 591m, Cerrig Cochion 550m, Cerrig-y-myllt 463m, Cerrig-y-myllt East Top 458m, Clogwyn Bwlch-y-maen 548m, Cnicht 689m, Cnicht North Top 688m, Craig Nyth-y-Gigfran [Y Blaen Llym] 554m, Craig Stwlan 568m, Craigysgafn 689m, Foel Ddu 590m, Iwerddon 583m, Moel Druman 676m, Moel Dyrnogydd 524m, Moel Meirch 608.9m, Moel Siabod 872m, Moel y Dyniewyd 382m, Moel-yr-hydd 648m, Moelwyn Bach 710m, Moelwyn Mawr 770m, Moelwyn Mawr North Ridge Top 640m, Yr Arddu 589m, Ysgafell Wen 672m, Ysgafell Wen Far North Top 656m, Ysgafell Wen North Top 669m

Note: this list of places may include island features such as summits, but not islands as such.
Rating graphic.
Pen Cwm Silyn, 422m Hill
Place Rating ..
, in no lists
Grid Reference SH51800 51100, OS 1:50k mapsheet 115
Place visited by: 2 members, recently by: IainT, Fergalh
I visited this place: NO (You need to be a logged-in member for this.)
Longitude: -4.211715, Latitude: 53.036602, Easting: 251800, Northing: 351100, Prominence: 36m,  Isolation: 1.1km
ITM: 854022 705151,   Short or GPS IDs, 6 char: PnCwmS, 10 char: PnCwmSlyn


Linkback: https://mountainviews.ie/summit/b14422/
Gallery for Pen Cwm Silyn and surrounds
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Member Comments for Pen Cwm Silyn

            MountainViews.ie picture about Pen Cwm Silyn
Picture: Rock at Summit
Final ascent is heather bash
by Fergalh 25 Mar 2021
From Mynydd Graig Goch rather than heading west we retraced our steps to the east to the col. We than headed north on a track leading down off the hill . When we got to the valley floor we headed east for Llynnau Cwm Silyn. This is in a figure of eight so we crossed at the centre part and headed up a heathery slope to a grassy summit. The summit is marked with a small rock. Afterwards we headed due north to the B4418 where we hitched a lift east back to the starting point Linkback: https://mountainviews.ie/summit/B14422/comment/22702/
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