Walk Tryfan from Glan Dena, Llyn Ogwen
One of the finest mountains in Wales
This 7½ mile, Grade 6 (Moderate), easy-to-follow, hand-crafted walk, complete with GPS Waypoints, starts at Llyn Ogwen in Snowdonia & will take you about 5½ hrs to complete.
Detailed walk route map PDF | ||
Vital Statistics: | ||
| Walk No.: | cw119 | |
| Length: | 7½ miles (12km) | |
| Ascent: | 2814 ft (858m) | |
| Time: | 5½ hours | |
| Grade: | ![]() | |
| Walk Type: | High Mountains | |
| Gear Needed: | Full mountain gear including boots, warm layers, waterproofs, food & water, and good weather | |
Route outline for this walk:
Llyn Ogwen - Glan Dena - Llyn Ogwen - Gwern Gof Uchaf - Heather Terrace - Tryfan - (Adam and Eve) - Far South Peak - Bwlch Tryfan - Miner's Track - Llyn Caseg Fraith - Y Foel Goch - Gallt yr Ogof - Nant yr Ogof - Gwern Gof Isaf - Gwern Gof Uchaf - Glan Dena - Llyn Ogwen
Peaks, Summits and Tops reached on this walk:
![]() 3 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 Tryfan at 915m (3003ft). Tryfan is classified as a Welsh Mountain (Hewitt) (15th highest in Wales, 21st highest in England & Wales)
Tryfan is also known as a Welsh Nuttall (16th highest in Wales, 24th highest in England & Wales) and a Welsh Marilyn (6th highest in Wales, 212th highest in the UK).
Tryfan means 'Three Tops' in Welsh and is pronounced 'tre-van'.
Completing this walk will also take you to the top of Y Foel Goch at 805m (2642ft). Y Foel Goch is classified as a Welsh Mountain (Hewitt) (33rd highest in Wales, 72nd highest in England & Wales)
Y Foel Goch is also known as a Welsh Nuttall (42nd highest in Wales, 87th highest in England & Wales). Y Foel Goch means 'Red Bare Hill' in Welsh and is pronounced 'uh-foil-gokh'.
The summit of Y Foel Goch is marked by a cairn.
You will also reach the summit of Gallt yr Ogof at 763m (2504ft). Gallt yr Ogof is classified as a Welsh Mountain (Hewitt) (45th highest in Wales, 108th highest in England & Wales)
Gallt yr Ogof is also known as a Welsh Nuttall (56th highest in Wales, 132nd highest in England & Wales). Gallt yr Ogof means 'Cliff with a Cave' in Welsh and is pronounced 'ga-thl-t-ur-o-gov'.
The summit of Gallt yr Ogof is marked by a cairn.
Be Adventure Smart
If walking in the Lake District (and anywhere else) please be adventure smart.
Ask yourself 5 questions before you set off:
- Am I confident I have the KNOWLEDGE & SKILLS for the day?
- Do I know what the WEATHER will be like?
- Do I have the right GEAR for the day?
- Do I have enough FOOD & DRINK for the day?
- Do I have all the ESSENTIAL ITEMS for the day?
Note that there is no mobile phone or WiFi coverage in many parts of the Lake District
A dedicated GPS Device can be a good navigational aid, but only if you know how to use it properly. See The Myths and Truths about GPS for Walking and Hiking
You can find this walk and other nearby walks on these unique Interactive Walk Planning Maps:
(worth a look if you're new to go4awalk.com & have never seen one of these before.)
1:25,000 scale OS Explorer Map (orange/yellow covers):
1:50,000 scale OS Landranger Map (pink/magenta covers):
Some Photos and Pictures from Walk Tryfan from Glan Dena, Llyn Ogwen
In no particular order . . .
Y Garn (Glyderau), Foel-goch (Glyderau), Mynydd Perfedd and the shoulder of Pen yr Ole Wen from Llyn Ogwen
. . . load all 31 pictures & photos from this walk
Send us your photographs and pictures from your walks and hikes
Send them in to us as email attachments (configured for any computer) along with your name/username and where the picture was taken to:
and we shall do our best to publish them.
(Guide Resolution = 300dpi. At least = 660 pixels (wide) x 440 pixels (high).)
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NB. Please indicate where each photo was taken so we can match it to a walk route.







































