Running around Llyn Dulyn 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 Dulyn—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.

Running loop from Dolgarrog	Expert 01:04 9.11km
Pen y Waun Wen – Carnedd Llewelyn loop from Dolgarrog	Expert 02:31 16.8km
Carnedd Llewelyn – Pen Yr Ole Wen loop from Capel Curig	Expert 03:03 18.9km
Pen Yr Ole Wen – Carnedd Llewelyn loop from Capel Curig	Expert 05:04 34.5km

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Map data © OpenStreetMap contributors
1
1
Running loop from Dolgarrog
01:04
9.11km
7:00/km
300m
300m
Expert
5
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Map data © OpenStreetMap contributors
2
2
Pen y Waun Wen – Carnedd Llewelyn loop from Dolgarrog
02:31
16.8km
9:02/km
940m
940m
Expert
6
Expert run. Very good fitness required. Mostly accessible paths. Some sure footedness required.

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Map data © OpenStreetMap contributors
3
3
Carnedd Llewelyn – Pen Yr Ole Wen loop from Capel Curig
03:03
18.9km
9:43/km
1,070m
1,070m
Expert
5.0
(1)
48
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Map data © OpenStreetMap contributors
4
4
Pen Yr Ole Wen – Carnedd Llewelyn loop from Capel Curig
05:04
34.5km
8:49/km
1,590m
1,590m
Expert
53
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.