The best running trails around Llanddeiniolen
4.3
(4)
1,305
runners
57
runs
Last updated: November 7, 2025
5.0
(2)
805
runners
1. Bwlch Glas Finger Stone – Yr Wyddfa (Snowdon) Summit loop from Llanberis
17.5km
02:44
980m
980m
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
103
runners
2. Elidir Fawr Summit loop from Deiniolen
9.59km
01:33
610m
610m
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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27
runners
3. Llyn Idwal loop from Brynrefail
8.37km
00:58
180m
180m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
22
runners
4. View Across the Strait loop from Bethel
6.90km
00:44
70m
70m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
24
runners
5. Llyn Idwal loop from Deiniolen
10.8km
01:15
220m
220m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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