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Route outline for walk gw203:

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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Points of Interest/Notes on this walk:

Mynydd Graig Goch was always thought to be 1998ft (609m) high, but in 2008 modern survey techniques established the summit to be 609.75 above mean sea level, reaching the mountain status threshold (2000ft & 100ft of 'prominence') by 15cm (six inches).

For more information about what makes a mountain - a mountain see A Mountain is a Mountain - isn't it?

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Peaks, Summits and Tops reached on this walk:

2 Welsh Mountains

0 Wainwrights

3 Welsh Nuttalls

0 Welsh Deweys

0 Wainwright Outlying Fells

1 Welsh Marilyn

0 Bridgets

Peak Bagging Statistics for this walk:

The highest point of this walk is Craig Cwm Silyn at 734m (2409ft). Craig Cwm Silyn is classified as a Welsh Mountain (Hewitt) (55th highest in Wales, 134th highest in England & Wales) Craig Cwm Silyn is also known as a Welsh Nuttall (69th highest in Wales, 166th highest in England & Wales) and a Welsh Marilyn (25th highest in Wales, 514th highest in the UK). 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.

Completing this walk will also take you to the top of Garnedd-goch at 700m (2297ft). Garnedd-goch is also known as a Welsh Nuttall (87th highest in Wales, 220th highest in England & Wales). Garnedd-goch means 'Red Cairn' in Welsh and is pronounced 'ga-neth goch'. The summit of Garnedd-goch is marked by a derelict Trig Point.

You will also reach the summit of Mynydd Graig Goch at 610m (2000ft). Mynydd Graig Goch is classified as a Welsh Mountain (Hewitt) (136th highest in Wales, 318th highest in England & Wales) Mynydd Graig Goch is also known as a Welsh Nuttall (188th highest in Wales, 442nd highest in England & Wales).

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You can find more walks near this one 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):

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Send us your photographs and pictures from your walks and hikes

We would love to see your walk photographs and pictures walk gw203 Craig Cwm Silyn, Garnedd-goch and Mynydd Graig Goch from Cors y Llyn. 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 = 660 pixels (wide) x 440 pixels (high).)

You can also submit photos from walk gw203 Craig Cwm Silyn, Garnedd-goch and Mynydd Graig Goch from Cors y Llyn via our Facebook Page.

NB. Please indicate where each photo was taken.

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