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United Kingdom
Wales
South Wales
Talybont-On-Usk

Fan y Big Horseshoe Race Skyline loop

Hard

49

runners

Fan y Big Horseshoe Race Skyline loop

02:15

19.1km

630m

Running

If you are an experienced jogger looking for a challenging workout, the Fan y Big Horseshoe Race Skyline loop offers a demanding route through the Bannau Brycheiniog National Park. This difficult jogging trail spans 11.9 miles (19.1 km) and involves a significant elevation gain of 2061 feet (628 metres), typically…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Brecon Beacons National Park

Waypoints

A

Start point

Parking

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1

8.49 km

Fan y Big

Highlight • Natural Monument

Fan y Big might have had its mountain status revoked in 2018 — but don't let that put you off. This is a superb peak that forms part of a …

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2

9.74 km

Craig Cwareli

Highlight • Summit

Fan y big has got to be one of our favourite walks we go once a year.The views from the spring board are wonderful .Fan y big elevation is 719mt …

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3

11.6 km

Bwlch y Ddwyallt

Highlight • Viewpoint

Bwlch y Ddwyallt is a nondescript peak marked by a small cairn. Don't confuse it with another larger cairn nearby. However the views from this escarpment looking across towards Fan …

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B

19.1 km

End point

Parking

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Way Types & Surfaces

Way Types

13.2 km

4.48 km

1.25 km

201 m

Surfaces

12.7 km

3.05 km

1.93 km

1.43 km

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Elevation

Elevation

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Weather

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Monday 18 May

14°C

9°C

90 %

Additional weather tips

Max wind speed: 28.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Fan y Big Horseshoe Race Skyline loop?

This route is rated as difficult and is best suited for experienced joggers with good fitness levels. It involves significant steep ascents and descents, which can be very demanding. Some sections require careful footing due to rough and rocky terrain.

What is the terrain like on this jogging route?

The terrain is varied and challenging. You'll encounter easy paths through woodlands and fields, grassy sections, and some tarmac lanes. However, as you ascend, expect steep climbs, rough ground, and rocky sections. Some flatter areas can be boggy, and paths on the horseshoe ridge can be technical and uneven.

What are the key points of interest along the route?

The loop takes in four prominent peaks: Fan y Big, Cribyn, Pen y Fan, and Corn Du. You'll also find the famous 'diving board' rock at Fan y Big, a popular spot for photos. Other highlights include Craig Cwareli and the stunning views from Bwlch y Ddwyallt.

Where can I park for the Fan y Big Horseshoe Race Skyline loop?

Specific parking details are not provided in the tour data, but typically, routes in the Brecon Beacons National Park (Bannau Brycheiniog) start from designated car parks. It's advisable to research local parking options near the common starting points for the Pen y Fan Horseshoe routes before your visit.

Is the Fan y Big Horseshoe Race Skyline loop dog-friendly?

While dogs are generally welcome in Bannau Brycheiniog National Park, it's crucial to keep them on a lead, especially around livestock and ground-nesting birds. Given the challenging terrain and potential for rocky sections, ensure your dog is fit enough for the route and carry enough water for both of you.

Do I need a permit or pay an entrance fee to access the trail in Bannau Brycheiniog National Park?

No, there are no specific permits or entrance fees required to access the trails within Bannau Brycheiniog National Park, including the Fan y Big Horseshoe Race Skyline loop. However, parking at popular trailheads may incur a charge.

What is the best time of year to jog this route?

Clear days offer magnificent experiences with continuous panoramic views. However, adverse weather can make the route serious very quickly. Spring and autumn can be ideal, offering cooler temperatures and potentially clearer skies, but always check the weather forecast before heading out. Avoid winter unless you are highly experienced and equipped for snow and ice.

What essential gear should I bring for this challenging jog?

Given the route's difficulty and varied terrain, essential gear includes appropriate trail running shoes with good grip, waterproof and windproof layers, sufficient water and snacks, a map and compass (or GPS device) as navigational skills are required, and a fully charged phone. Visibility can drop quickly, so be prepared for changing conditions.

Does this route intersect with other well-known paths?

Yes, the route shares sections with several other notable trails. You will find parts of the Beacons Way, the Cambrian Way, Cycle across the Beacons, Lôn Las Cymru (South), and the Taff Trail along its course.

What kind of views can I expect on the Fan y Big Horseshoe Race Skyline loop?

Joggers are rewarded with breathtaking and continuous panoramic views. You'll see the full horseshoe route unfold, dramatic escarpments, and a magnificent glacial landscape. On a clear day, expect incredible vistas across the Brecon Beacons, towards the Black Mountains, Carmarthenshire Fans, and even as far as the Bristol Channel.

How long does it typically take to complete this jogging route?

The estimated duration for this 19 km (11.8 mile) route is approximately 2 hours and 15 minutes of active jogging time. However, this is for experienced individuals. Given the difficult terrain and significant elevation gain, allow extra time for breaks, navigation, and enjoying the views, especially if you plan to hike sections.

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