The best running trails around Glantwymyn
4.4
(5)
893
runners
64
runs
Last updated: October 20, 2025
1. The Corris Round — Snowdonia National Park
58.1km
08:13
2,750m
2,760m
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
31
runners
2. Running loop from Penegoes
7.03km
00:44
50m
50m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.0
(1)
9
runners
3. Running loop from Machynlleth
11.6km
01:23
280m
280m
Intermediate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
9
runners
4. Maen Llwyd – Nant Du Mine loop from Machynlleth
46.1km
05:54
1,470m
1,470m
Expert run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
8
runners
5. Glanmerin Lake – Maen Llwyd loop from Machynlleth
15.8km
01:59
470m
470m
Expert run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
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