Route outline for walk cw146:
Llyn Eigiau Car Park - Craig Eigiau - Cwm Eigiau - Pen Yr Helgi Du - Bwlch Tri Marchog - Pen Llithrig y Wrach - Llyn Colwyd Reservoir - Craiglwyn - Creigiau Gleision - Creigiau Gleision (North Top) - Eilio Farm - Llyn Eigiau Car Park
Peak Bagging Statistics for this walk:
![]() 4 Welsh Mountains |
![]() 0 Wainwrights |
![]() 6 Welsh Nuttalls |
![]() 0 Welsh Deweys |
![]() 0 Wainwright Outlying Fells |
![]() 2 Welsh Marilyns |
![]() 0 Bridgets |
Peak Bagging Statistics for this walk:
The highest point of this walk is Pen yr Helgi Du at 833m (2734ft). Pen yr Helgi Du is classified as a Welsh Mountain (Hewitt) (26th highest in Wales, 56th highest in England & Wales) Pen yr Helgi Du is also known as a Welsh Nuttall (30th highest in Wales, 66th highest in England & Wales). Pen yr Helgi Du means 'Hill of the Black Dog' in Welsh and is pronounced 'pen-ur-hell-gi-dee'. The summit of Pen yr Helgi Du is marked by a beehive shaped cairn.
Completing this walk will also take you to the top of Pen Llithrig y Wrach at 799m (2622ft). Pen Llithrig y Wrach is classified as a Welsh Mountain (Hewitt) (36th highest in Wales, 79th highest in England & Wales) Pen Llithrig y Wrach is also known as a Welsh Nuttall (45th highest in Wales, 95th highest in England & Wales) and a Welsh Marilyn (16th highest in Wales, 395th highest in the UK). Pen Llithrig y Wrach means 'Slippery Hill of the Witch' in Welsh and is pronounced 'Pen Thlith-rig ee racht'. The summit of Pen Llithrig y Wrach is marked by a cairn.
You will also reach the summit of Craig Eigiau at 735m (2412ft). Craig Eigiau is also known as a Welsh Nuttall (68th highest in Wales, 165th highest in England & Wales). Craig Eigiau means 'Fish Shoal Rock' in Welsh and is pronounced 'cry-gay-g-ee-eye'. The summit of Craig Eigiau is marked by a rocky outcrop.
Along the way you will also bag:
- Creigiau Gleision at 678m (2225ft). Creigiau Gleision is classified as a Welsh Mountain (Hewitt) (80th Wales, 197th Eng & Wal), a Welsh Nuttall (106th highest in Wales, 261st highest in England & Wales) and a Welsh Marilyn (37th Wales, 634th highest in the UK). Creigiau Gleision means 'Blue Crags' in Welsh and is pronounced 'kray-geye glay-see-on'. The summit of Creigiau Gleision is marked by a cairn.
- Creigiau Gleision (North Top) at 634m (2081ft). Creigiau Gleision (North Top) is classified as a Welsh Mountain (Hewitt) (111th Wales, 268th Eng & Wal) and a Welsh Nuttall (152nd highest in Wales, 361st highest in England & Wales). Creigiau Gleision (North Top) means 'Blue Crags' in Welsh and is pronounced 'kray-geye glay-see-on'. The summit of Creigiau Gleision (North Top) is marked by a cairn.
- Craiglwyn at 623m (2045ft). Craiglwyn is known as a Welsh Nuttall (166th highest in Wales, 390th highest in England & Wales). Craiglwyn means 'Bush Crag' in Welsh and is pronounced 'cry-glue-win'. The summit of Craiglwyn is marked by a small cairn.
This walk is on Ordnance Survey Maps:
OS Explorer Map OL17 | |
1:25,000 scale (Orange Covers) |
|
OS Landranger Map 115 | |
1:50,000 scale (Pink Covers) |
Some Photos and Pictures from Walk cw146 Craig Eigiau, Pen Llithrig y Wrach and Creigiau Gleision from Llyn Eigiau
In no particular order . . .

The Ogwen Valley with Tryfan and Y Garn prominent from the lower southern slopes of Creigiau Gleision

Tryfan and The Glyderau (Glyderau) from Cwm Tal-y-Braich below Pen Llithrig y Wrach

Glyder Fach (centre left), Glyder Fawr (centre) and Tryfan (centre right) from Pen Llithrig y Wrach
Send us your photographs and pictures from your walks and hikes
We would love to see your walk photographs and pictures walk cw146 Craig Eigiau, Pen Llithrig y Wrach and Creigiau Gleision from Llyn Eigiau. 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 cw146 Craig Eigiau, Pen Llithrig y Wrach and Creigiau Gleision from Llyn Eigiau via our Facebook Page.
NB. Please indicate where each photo was taken.