5.0
(3)
467
runners
25
runs
Jogging routes around Llyn y Fan Fach traverse a dramatic landscape characterized by a glacial lake nestled within a cwm, surrounded by the Black Mountain range. The terrain features majestic mountains, expansive ridgelines offering panoramic views, and wild moorland. Routes often follow river valleys, passing small waterfalls and streams, providing varied running experiences. The area offers accessible paths with consistent inclines, suitable for different fitness levels.
Last updated: July 4, 2026
7
runners
4.11km
00:33
220m
220m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
runners
5.59km
00:50
330m
340m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
96
runners
19.0km
02:42
790m
790m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
runners
7.92km
01:02
230m
230m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
108
runners
20.0km
02:48
830m
830m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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I've seen that this is an amazing spot to watch the sunrise online!! it takes about 40-60 mins to get to the summit. wrap up warm!
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Based on the feeding trough, the nursery appears to be active or recently used.
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High elevation trail, good footwear and waterproof is a must even on a clear day as the weather can suddenly change
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Beautiful hike! Appropriate footwear is a must! Lady of the Lake story lays here one that will send chills upon you. Links with king Arthur, Merlin the wizard and his apprentice nimwae. Magical majestic creatures and stories to be found in the history of the area
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The Llyn y Fan Fach region offers a selection of 10 dedicated running routes, catering to various fitness levels and preferences. These trails allow you to explore the dramatic glacial landscapes and expansive ridgelines of the Black Mountain range.
You'll encounter a diverse range of terrain, from consistent inclines on gravel paths to more challenging climbs over wild moorland and along majestic mountain ridgelines. The geological makeup of Old Red Sandstone contributes to the distinctive formations, and some routes follow river valleys, passing picturesque small waterfalls and streams.
Yes, many of the running routes in Llyn y Fan Fach are circular, allowing you to experience varied scenery without retracing your steps. For example, the Fan Foel loop from Fforest Fawr offers a challenging 10 km circuit, while the Llyn y Fan Fach loop from Fforest Fawr provides a 5.6 km option around the lake itself.
The routes range from moderate to difficult. Moderate options, like the Gravel Path to Llyn Fach β Llyn y Fan Fach loop, feature consistent inclines. More challenging trails, such as the Fan Hir Ridge, Fan Brycheiniog & Lyn y Fan Fach loop, demand good fitness, sure-footedness, and sturdy shoes due to significant elevation gains and longer distances.
Absolutely. The centerpiece is the glacial lake Llyn y Fan Fach itself, set within a dramatic cirque. Many routes offer panoramic views from expansive ridgelines, including those around Picws Du, Waun Lefrith, Fan Foel, and Fan Brycheiniog. You might also catch glimpses of Llyn y Fan Fawr, the larger sibling lake, and experience the tranquility of wild moorland.
Yes, some running routes in the Llyn y Fan Fach area follow river valleys where you can discover picturesque small waterfalls and streams. These natural features add to the scenic beauty and varied experience of running through the wild moorland landscape.
Yes, parking is generally available at common starting points for trails, such as near Fforest Fawr or Penwyllt. It's advisable to check specific route descriptions for detailed parking information, especially for more remote starting locations.
Llyn y Fan Fach is situated in a remote corner of Bannau Brycheiniog (Brecon Beacons National Park), meaning public transport options are limited. Access is primarily by car, with routes often starting from areas like Fforest Fawr or Penwyllt. Planning your journey in advance is recommended.
While some paths have consistent inclines and might be suitable for sturdy pushchairs on certain sections, many routes demand good fitness and sure-footedness. For families with children, consider shorter, less strenuous options, keeping in mind the varied terrain and potential for significant elevation changes on longer trails.
The Llyn y Fan Fach area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the dramatic glacial landscapes, the sense of solitude, and the challenging yet rewarding trails that offer breathtaking panoramic views from the ridgelines.
The area offers beauty year-round, but spring and autumn generally provide the most pleasant conditions for running, with milder temperatures and vibrant landscapes. Summer can be warm, while winter brings the possibility of challenging conditions, including snow and ice, especially on higher elevations, requiring appropriate gear and experience.
For experienced trail runners seeking a significant challenge, routes like the Fan Gyhirych Summit Trig Point β Maen Madoc Standing Stone loop from Penwyllt offer extensive distances (nearly 40 km) and considerable elevation gain (over 1300m). These routes traverse expansive ridgelines and require excellent fitness and navigation skills.


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