Running around Llyn Ogwen is one of the best ways to explore more of this region. To help you discover the most beautiful places to run, we’ve reviewed our full collection of routes around Llyn Ogwen—and are proud to present the best running trails. Click on any of the routes for more details and browse real tips and photos uploaded by other runners.

Carnedd Dafydd & Carnedd Llewelyn loop from the Ogwen Valley — Snowdonia National Park	Expert 02:50 19.7km
Y Garn to Glyder Fach trail running loop — Parc Cenedlaethol Eryri \| Snowdonia National Park	Expert 02:19 11.5km
Llyn Idwal loop from Ogwen Cottage — Snowdonia National Park	Intermediate 00:29 4.24km
Glyder Fawr & Glyder Fach loop from Ogwen Cottage — Eryri (Snowdonia) National Park	Expert 01:52 10.1km

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Map data © OpenStreetMap contributors
1
1
Carnedd Dafydd & Carnedd Llewelyn loop from the Ogwen Valley — Snowdonia National Park
02:50
19.7km
8:40/km
930m
930m
Expert
3.8
(4)
170
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Map data © OpenStreetMap contributors
2
2
Y Garn to Glyder Fach trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park
02:19
11.5km
12:04/km
930m
930m
Expert
44
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Map data © OpenStreetMap contributors
3
3
Llyn Idwal loop from Ogwen Cottage — Snowdonia National Park
00:29
4.24km
6:45/km
110m
110m
Intermediate
34
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Map data © OpenStreetMap contributors
4
4
Glyder Fawr & Glyder Fach loop from Ogwen Cottage — Eryri (Snowdonia) National Park
01:52
10.1km
11:07/km
740m
740m
Expert
27
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.