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Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Brecon

Taff Trail Pen y Fan Loop

Hard

4.0

(1)

8

riders

Taff Trail Pen y Fan Loop

05:00

61.0km

910m

Mountain biking

Challenge yourself on the Taff Trail Pen y Fan Loop, a difficult 37.9-mile mountain biking route with stunning views in Bannau Brycheiniog N

Last updated: February 26, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 44.9 km for 51 m

Waypoints

A

Start point

Parking

Get Directions

1

8.95 km

Monmouthshire and Brecon Canal Towpath

Highlight (Segment) • Cycleway

Nice little warm up before getting to the more serious climbs.

Tip by

2

12.2 km

Brinore Tramroad

Highlight (Segment) • Trail

The course of the old Brinoire Tramway runs from Talybont on Usk to limestone quarries near Tredegar. Completed in 1815, and designed for horse drawn trams, it's a great track for bikers and walkers through the forest.

Tip by

3

20.6 km

This great bit of single track is a great alternative to the Taff Trail on the descent to Tal y bont.

Tip by

4

30.0 km

Forest roads run through the woods to the east of Pontsticill Reservoir. This is part of the Taff Trail.

Tip by

B

61.0 km

End point

Parking

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Way Types & Surfaces

Way Types

21.5 km

16.7 km

14.5 km

5.07 km

1.95 km

1.36 km

Surfaces

19.9 km

11.8 km

11.0 km

10.8 km

4.81 km

1.40 km

1.34 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (440 m)

Lowest point (120 m)

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Weather

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Saturday 9 May

13°C

3°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

What is the typical duration for completing the Taff Trail Pen y Fan Loop by mountain bike?

This challenging mountain bike loop typically takes around 4.5 to 5 hours to complete. This estimate is for active riding time and does not include stops for breaks, photos, or navigating technical sections where you might need to push your bike.

What is the terrain like on the Taff Trail Pen y Fan Loop?

The terrain on this loop is highly varied and demanding. You'll encounter a mix of surfaces including asphalt, paved roads, unpaved paths, and compacted gravel. Crucially, sections leading towards Pen y Fan are very rocky with significant obstacles, often requiring advanced riding skills. Be prepared for segments where you might need to push your bike, especially on steeper ascents or particularly technical stretches.

Is the Taff Trail Pen y Fan Loop suitable for beginner mountain bikers?

No, this loop is classified as difficult and is not suitable for beginners. It requires a very good level of fitness, advanced riding skills, and experience with varied, technical terrain, including rocky sections and steep climbs.

What are some notable features or highlights along the route?

The loop offers breathtaking views and passes several interesting points. You'll ride along the scenic Monmouthshire and Brecon Canal Towpath, traverse parts of the historic Brinore Tramroad, and experience thrilling Singletrack Trail in Bannau Brycheiniog National Park. Don't miss the View of the Hills from the Taff Trail, offering panoramic vistas of the Welsh countryside.

What is the best time of year to mountain bike this loop?

The best time to ride this loop is generally from late spring to early autumn (May to September) when the weather is more stable and daylight hours are longer. However, conditions can change rapidly in the mountains, so always check the forecast. Avoid riding in winter or during periods of heavy rain, as the trail can become very muddy, slippery, and exposed at higher elevations.

Where can I park to access the Taff Trail Pen y Fan Loop?

While the specific starting point can vary depending on your chosen route variation, many riders begin near Brecon. Look for public car parks in or around Brecon, which offer convenient access to the Taff Trail. Always check local signage for parking fees and restrictions.

Is the Taff Trail Pen y Fan Loop dog-friendly?

Yes, dogs are generally allowed on this trail. However, as much of the route passes through the Bannau Brycheiniog National Park and agricultural land, it is crucial to keep dogs on a lead, especially near livestock and to protect ground-nesting birds. Always follow the Countryside Code and clean up after your dog.

Do I need any permits or pay an entrance fee for the Bannau Brycheiniog National Park?

No, there are no specific permits or entrance fees required to access the Bannau Brycheiniog National Park or to ride the Taff Trail Pen y Fan Loop. The park is open access, but visitors are expected to follow the Countryside Code, respect the environment, and adhere to any local regulations or signage.

Does the Taff Trail Pen y Fan Loop connect with other trails?

Yes, the route incorporates sections of several other well-known paths. You'll find yourself on parts of the Taff Trail itself, Lôn Las Cymru (South), Cycle across the Beacons, and even short sections of the Beacons Way and Usk Valley Walk. The Brinore Tramroad is also a notable feature integrated into the loop.

What essential gear should I bring for mountain biking this route?

Given the challenging nature and exposed sections, you should bring a well-maintained mountain bike suitable for technical terrain, a helmet, appropriate clothing layers for changing weather, waterproofs, plenty of water and snacks, a repair kit (including spare tubes/puncture repair), a first-aid kit, and navigation tools (like a GPS device or the komoot app with the route downloaded offline). Sun protection is also advisable.

Are there places to refuel or find amenities along the route?

While the route itself passes through some remote areas, starting or finishing in towns like Brecon offers access to cafes, pubs, and shops for refreshments and supplies. Along the way, you might find limited options, so it's best to be self-sufficient with food and water for the duration of your ride.

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