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United Kingdom
Wales
South Wales

Carmarthenshire

The best cycling routes in Carmarthenshire

4.7

(272)

4,366

riders

387

rides

Touring cycling in Carmarthenshire offers diverse landscapes, from challenging mountain vistas to tranquil river valleys and coastal paths. The region features extensive forests, including Brechfa and Crychan, alongside the scenic Tywi Valley. Cyclists can explore varied terrain, encompassing both demanding ascents and largely flat, traffic-free routes. This part of South Wales provides a comprehensive network of trails suitable for different cycling preferences.

Best touring cycling routes in Carmarthenshire

  • The most popular touring cycling route is Llandovery to Dolaucothi Gold Mine…

Last updated: May 10, 2026

5.0

(3)

31

riders

#1.

Llandovery to Dolaucothi Gold Mine loop

43.0km

02:48

540m

540m

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

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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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4.5

(2)

16

riders

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

Moderate

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

Hard

7

riders

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

4.0

(1)

13

riders

37.1km

02:38

630m

630m

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

4.3

(3)

4

riders

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

Hard

5.0

(1)

5

riders

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

Hard
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Popular around Carmarthenshire

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National Cycle Network Route 4 — Greenwich to Fishguard

Cycling Collection by

Alice Baddeley

Tips from the Community

mark lynn
June 1, 2025, Llandeilo Town Centre

Lots of lovely cafes and pubs

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The Black Mountain Category 3 Climb from Brynaman is a 5.5km climb with a total ascent of 312m, topping out at 495m. The average gradient is 5.8% with the steepest 100m section reaching 8.4%. Grind out the best gear you can on the consistent slope and gradually as you rise above the valley towards the plateau you are rewarded with some of the best scenery in Wales. You've earnt the descent.

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Simon Thomas
February 2, 2025, Pendine Sands

Wonderful beach shame about the caravans.

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Sue
September 14, 2024, Swiss Valley Cycle Path

The bike path to get on at Tumble is closed due to felling trees. They have put a diversion in, but it means going down steps. Apparently it's closed off for about 6 months give or take.

1

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Enjoy the beautiful beach

Translated by Google

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Lovely cycle path. Nice pub on route just off of cycle path with good food but a little expensive. Route has nice views

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Just like on our Belgian coast: walking on the dike past hotels and catering establishments, but many meters above the beach.

Translated by Google

9

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A wide, flat sandy beach at low tide, but also plenty of space at high tide. Pretty harbor, breathtaking views from above. Please note: between May 1st and September 30th there are dog restrictions on the entire beach except for a small area just before Coppet Hall beach!

Translated by Google

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Frequently Asked Questions

How many touring cycling routes are available in Carmarthenshire?

Carmarthenshire offers a wide array of touring cycling routes, with over 390 routes recorded on komoot. These routes cater to various skill levels, from easy family rides to challenging ascents, and have been explored by over 4400 touring cyclists.

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

Yes, Carmarthenshire has numerous options for easier rides, with 53 routes specifically graded as easy. The Golden Sands via Swiss Valley loop, for instance, follows a disused railway line, offering a gentler gradient and views of the Lliedi Reservoirs. The Millennium Coastal Path and Amman Valley Riverside Path are also largely flat and traffic-free, ideal for families and those seeking a relaxed pace. Pembrey Country Park also provides safe, woodland paths.

What are some of the more challenging touring cycling routes in Carmarthenshire?

For experienced touring cyclists seeking a challenge, Carmarthenshire offers 171 difficult routes. The Black Mountain loop from Cwmaman features significant climbs and epic views bordering the Bannau Brycheiniog (Brecon Beacons) National Park. Another demanding option is the Llyn Briane Reservoir loop, known for its extraordinary roads and substantial elevation gain.

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

Carmarthenshire, known as the 'Garden of Wales,' boasts incredibly diverse landscapes. You can cycle through challenging mountain vistas like the Black Mountain, extensive forests such as Brechfa and Crychan, and picturesque river valleys like the Tywi Valley. The region also offers stunning coastal paths, including the Millennium Coastal Path, providing a rich variety of scenery for every ride.

Are there any circular touring cycling routes in Carmarthenshire?

Many touring cycling routes in Carmarthenshire are designed as loops, allowing you to start and finish in the same location. Examples include the Llandovery to Dolaucothi Gold Mine loop, the Llanwrtyd Wells and Rhandirmwyn Bridge loop from Llandovery, and the Carmarthen to Llandeilo loop along the Tywi Valley Cycle Path.

What historical sites or attractions can I visit along touring cycling routes?

Carmarthenshire's routes often pass by significant historical sites. You can explore the ancient Dolaucothi Gold Mines, a Roman gold mine, which is featured on the Llandovery to Dolaucothi Gold Mine loop. The Tywi Valley is particularly rich in castles, such as Carreg Cennen, Dinefwr, and Dryslwyn, which can be incorporated into your rides.

Are there any scenic viewpoints or natural landmarks to look out for?

Absolutely. The region is dotted with stunning natural features. The Picws Du summit offers incredible views, including of Llyn y Fan Fach. The Llyn Briane Reservoir loop provides access to what is described as one of Wales' most extraordinary cycling roads. Additionally, Cwm Rhaeadr Forest features waterfall views along its trails.

What is the best time of year to go touring cycling in Carmarthenshire?

The spring, summer, and early autumn months generally offer the most pleasant conditions for touring cycling in Carmarthenshire. During these seasons, you'll experience milder weather, longer daylight hours, and the full beauty of the 'Garden of Wales' in bloom or autumn colours. Some routes, particularly those in higher elevations, might be more exposed to wind and rain outside of these periods.

Is public transport available for cyclists in Carmarthenshire?

Carmarthenshire is working towards being cycle-friendly, and some public transport options may accommodate bikes, particularly trains. It's always advisable to check with specific train or bus operators regarding their bike carriage policies and any restrictions before planning your journey, especially during peak times.

Are there any bike-friendly facilities like cafes or accommodation along the routes?

Carmarthenshire is increasingly catering to cyclists. Many towns and villages along popular routes offer cafes, pubs, and accommodation that welcome cyclists. Pembrey Country Park, for example, is a large park with various facilities, and the National Botanic Garden of Wales offers half-price admission to those arriving by bike, indicating a growing cycle-friendly infrastructure.

What do other touring cyclists enjoy most about cycling in Carmarthenshire?

The komoot community highly rates touring cycling in Carmarthenshire, with an average score of 4.7 stars from over 260 reviews. Cyclists frequently praise the region's diverse landscapes, from challenging mountain climbs to tranquil river valleys and coastal paths. The extensive network of well-maintained routes and the variety of experiences for all abilities are also commonly highlighted.

Are there any long-distance touring cycling routes in Carmarthenshire?

Yes, Carmarthenshire offers several longer touring routes for those looking to cover more ground. The Carmarthen to Llandeilo loop along the Tywi Valley Cycle Path is a substantial 99.4 km (61.8 miles) route, offering a full day's ride through picturesque scenery and past historic castles.

Most popular routes in Carmarthenshire

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Check out more Cycling routes throughout Carmarthenshire below and find the perfect route in your destination.

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