The best running trails around Llyn Dulyn
4.5
(32)
2,802
runners
121
runs
Last updated: October 25, 2025
5
runners
1. Running loop from Dolgarrog
9.11km
01:04
300m
300m
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
runners
2. Pen y Waun Wen – Carnedd Llewelyn loop from Dolgarrog
16.8km
02:33
940m
940m
Expert run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
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57
runners
3. Pen Yr Ole Wen – Carnedd Llewelyn loop from Capel Curig
34.5km
05:07
1,590m
1,590m
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
31
runners
4. Moel Siabod Summit loop from Capel Curig
17.7km
02:48
790m
790m
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
21
runners
5. Yr Wyddfa (Snowdon) Summit – Pen-y-Pass loop from Capel Curig
30.9km
05:21
1,760m
1,760m
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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