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United Kingdom
Wales
South Wales
Ceredigion

Llyn Brianne

The best cycling routes around Llyn Brianne

4.1

(12)

502

riders

31

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Touring cycling around Llyn Brianne offers routes through the wild Welsh landscapes of the Cambrian Mountains. The region is characterized by rolling hills, dramatic scenery, and the expansive Llyn Brianne Reservoir, which is surrounded by the verdant Tywi Forest. Cyclists can expect a mix of quiet paved roads and some gravel or forestry tracks, often featuring challenging ascents and sweeping views.

Best touring cycling routes around Llyn Brianne

  • The most popular touring cycling route is Llyn Briane Reservoir loop, a 24.8 miles (39.8 km) trail that takes about 3 hours 31 minutes to complete. This route offers dramatic scenery around the reservoir.
  • Another top favourite among local touring cyclists is View of Llyn Brianne Reservoir – The Towy Bridge Inn loop from Rhandirmwyn, a difficult 38.2 miles (61.5 km) path. This route provides extensive views of the reservoir and surrounding forests.
  • Local touring cyclists also love the Llyn Brianne Dam – View of Llyn Brianne Reservoir loop from RSPB Gwenffrwd-Dinas, a 19.4 miles (31.3 km) trail leading through the Tywi Forest, often completed in about 2 hours 22 minutes.
  • Touring cycling around Llyn Brianne is defined by the Cambrian Mountains, Llyn Brianne Reservoir, and Tywi Forest. The network offers options for various ability levels, from moderate to difficult routes.
  • The routes in Llyn Brianne are highly rated by the komoot community with an average score of 4.3 stars from more than 10 reviews. More than 500 touring cyclists have used komoot to explore Llyn Brianne's varied terrain.

Last updated: June 22, 2026

7

riders

#1.

Llyn Briane Reservoir loop

39.8km

03:32

900m

900m

This difficult 24.8-mile touring cycling loop around Llyn Brianne Reservoir in the Cambrian Mountains offers dramatic scenery and challengin

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Hard

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

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

Hard

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

Hard

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

Moderate
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Popular around Llyn Brianne

MTB Trails around Llyn Brianne

Hiking around Llyn Brianne

Road Cycling Routes around Llyn Brianne

Running Trails around Llyn Brianne

Gravel biking around Llyn Brianne

Tips from the Community

Mike French
May 3, 2025, Strata Florida Trail

Had a big off when a rut jumped out of nowhere. To be honest, I'm glad I had 2.4 tyres for most of Strata Florida right from the road.

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It's going to climb!

Translated by Google

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The eastern and upper sections of this pass are mostly ridable in either direction on a gravel bike (fair play if you can scale the climb heading east to west!) but caution is advised if descending the western side, even on a mountain bike. The washout has only gotten worse since this highlight was created. It is now like a ravine – easily six feet deep or more in places. It's quite entertaining to push alongside, but I would strongly advise even confident cyclists to push as a fall would have serious consequences. For context, we rode (pushed, really) across this pass on lightly loaded gravel-adjacent road bikes in the pitch black and driving rain. As anticipated, it took around 1.5 hours to get from the chapel to the hostel. Finally, the hostel warden doesn't expect the road to be repaired by the council unless a grant or funding is secured by the green laning community. As such, ride anticipating the route to be as described here.

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Built in 1913 the Rhandirmwyn Bridge links the two sides of the Towy valley by this rivetted girder road bridge. On the southern side you'll find the Towy Bridge Inn, a lovely riverside pub.

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Recently dressed with slate. I would no longer recommend road tyres through here. Something a bit wider recommended!

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More stunning forestry gravel that links the Tregaron mountain road over towards Tyn y Cornel hostel.

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This is currently closed to vehicles (hence all the Road Closed signs!) but is passable and fun by bike. You’ll almost certainly need to hike-a-bike the part with significant flood damage in the middle but it’s some of the finest wilderness in Wales!

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An incredible stretch of road. Very isolated. Watch out for Land Rover gangs racing up to the Florida Strata road.

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Frequently Asked Questions

How many touring cycling routes are available in Llyn Brianne?

Llyn Brianne offers over 30 touring cycling routes. These routes vary in difficulty, with options ranging from moderate to difficult, ensuring there's a suitable path for different skill levels.

Are there touring cycling routes suitable for beginners or families in Llyn Brianne?

While many routes in Llyn Brianne are challenging, there are some moderate options available. For example, the Bwlch Easgair Gelli Climb – Old Drovers' Road to Tregaron loop from Nant-ystalwyn is rated moderate and covers 17.8 km with 375 meters of elevation gain. It's always recommended to check the route details for distance and elevation to ensure it matches your group's ability.

What are some of the most challenging touring cycling routes in Llyn Brianne?

Llyn Brianne is known for its challenging terrain. Routes like the View of Llyn Brianne Reservoir – The Towy Bridge Inn loop from Rhandirmwyn, which is 61.5 km long with over 1300 meters of elevation, offer significant climbs and sweeping views. Many routes traverse the rugged Cambrian Mountains, providing a demanding experience for experienced touring cyclists.

Are there any circular touring cycling routes around Llyn Brianne?

Yes, several routes offer circular loops around the reservoir and through the surrounding areas. A popular option is the Llyn Briane Reservoir loop, a 39.8 km trail that provides dramatic scenery around the water and is a great way to experience the region's beauty.

What kind of landscapes can I expect to see while touring cycling in Llyn Brianne?

Touring cycling in Llyn Brianne takes you through wild Welsh landscapes, characterized by the rolling hills of the Cambrian Mountains, the expansive Llyn Brianne Reservoir, and the verdant Tywi Forest. You'll encounter quiet paved roads, some gravel or forestry tracks, and dramatic scenery with challenging ascents and sweeping views.

What is the Llyn Brianne Dam and can I cycle near it?

The Llyn Brianne Dam is a significant engineering feat, standing as the tallest in the UK at 91 meters (300 ft) high. It's notable for its stone-built construction. Cyclists can ride along the quiet roads that wind around the lake, offering breathtaking views of the water and surrounding forests, including the dam. The Llyn Brianne Dam – View of Llyn Brianne Reservoir loop from RSPB Gwenffrwd-Dinas is one route that passes by this impressive structure.

What wildlife might I encounter while cycling in Llyn Brianne?

The Llyn Brianne area is rich in wildlife. You might spot red kites soaring overhead, as the region is known for these magnificent birds. Otters are also present in the area. The surrounding Tywi Forest and RSPB Gwenffrwd-Dinas Nature Reserve provide habitats for various species, making for an engaging cycling experience for nature lovers.

Is Llyn Brianne a good place for stargazing after a day of cycling?

Yes, Llyn Brianne was awarded Dark Sky Discovery Site status in October 2019. Its wide-open skies and uninterrupted vistas make it an excellent location for stargazing, offering a unique experience after your daytime cycling adventures.

What do other touring cyclists enjoy most about touring cycling in Llyn Brianne?

The touring cycling routes in Llyn Brianne are highly rated by the komoot community, with an average score of 4.3 stars from over 10 reviews. Cyclists often praise the dramatic scenery, the challenging ascents, and the sense of adventure found on the remote single-track mountain lanes around the reservoir.

Are there any specific features or landmarks to look out for on the routes?

Beyond the impressive Llyn Brianne Dam, the routes often traverse the rugged Cambrian Mountains, offering panoramic views. You'll also pass through the tranquil Tywi Forest. Some routes might even include challenging sections like the 'Devil's Staircase' with gradients up to 25%, providing memorable landmarks for experienced riders.

What types of road surfaces can I expect on touring cycling routes in Llyn Brianne?

Cyclists in Llyn Brianne can expect a mix of well-paved surfaces and gravel or forestry roads, especially around the reservoir. Some routes may include unpaved or difficult segments, so it's advisable to check route details and ensure your bike is suitable for varied terrain.

Is there parking available for touring cyclists in Llyn Brianne?

While specific parking locations for each route aren't detailed, the region is generally accessible by car. Many routes start from villages or designated parking areas around the reservoir. It's recommended to check the starting point of your chosen route for information on nearby parking facilities.

Most popular routes around Llyn Brianne

MTB Trails around Llyn Brianne

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