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Running Trails
United Kingdom
Wales
South Wales
Carmarthenshire

Llyn y Fan Fach

The best running trails around Llyn y Fan Fach

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.

Best jogging routes around Llyn y Fan Fach

  • The most popular jogging route is…

Last updated: July 4, 2026

7

runners

#1.

Gravel Path to Llyn Fach – Llyn y Fan Fach loop from Fforest Fawr

4.11km

00:33

220m

220m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around Llyn y Fan Fach

Hiking around Llyn y Fan Fach

Road Cycling Routes around Llyn y Fan Fach

Cycling around Llyn y Fan Fach

MTB Trails around Llyn y Fan Fach

Tips from the Community

Queen Binky
May 3, 2025, Gravel Path to Llyn Fach

Nice wide gravel track up to Llyn Fach

0

0

Kinga
February 14, 2025, Fan Hir

https://hoofhike.com/

1

0

Kinga
February 14, 2025, Fan Foel Summit

0

0

Abee
February 7, 2025, Llyn y Fan Fach

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!

0

0

MaartenH
November 2, 2024, Old Fish Hatchery

Based on the feeding trough, the nursery appears to be active or recently used.

Translated by Googleβ€’

0

0

High elevation trail, good footwear and waterproof is a must even on a clear day as the weather can suddenly change

1

0

take your time

0

0

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

0

1

Frequently Asked Questions

How many running routes are available in the Llyn y Fan Fach area?

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.

What kind of terrain can I expect on the jogging trails around Llyn y Fan Fach?

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.

Are there any circular running routes in Llyn y Fan Fach?

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.

What are the difficulty levels of the jogging routes in Llyn y Fan Fach?

The routes range from moderate to difficult. Moderate options, like the Gravel Path to Llyn Fach – 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.

Are there any notable natural features or viewpoints to see while running near Llyn y Fan Fach?

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.

Can I find routes that pass by waterfalls in the Llyn y Fan Fach region?

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.

Is there parking available for runners near the Llyn y Fan Fach trails?

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.

How accessible are the running routes by public transport?

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.

Are the jogging trails around Llyn y Fan Fach suitable for families or running with children?

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.

What do other runners enjoy the most about jogging in Llyn y Fan Fach?

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.

What is the best time of year to go running in Llyn y Fan Fach?

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.

Are there any longer, more challenging trail running options in the region?

For experienced trail runners seeking a significant challenge, routes like the Fan Gyhirych Summit Trig Point – 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.

Most popular routes around Llyn y Fan Fach

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