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Cycling routes
United Kingdom
Wales
South Wales
Carmarthenshire

Llanarthney

The best cycling routes around Llanarthney

4.5

(80)

997

riders

117

rides

Touring cycling routes around Llanarthney traverse a landscape characterized by the Towy Valley, offering scenic rides alongside the River Towy. The region features undulating terrain, with the Black Mountain Range and Brecon Beacons providing a dramatic backdrop and opportunities for more challenging ascents. Woodlands such as Gelli Aur Country Park and Ynysdawela Nature Park offer varied habitats and shaded paths.

Best touring cycling routes around Llanarthney

  • The most popular touring cycling route is Aberglasney & Dryslwyn Castle loop from National Botanic Gardens, a 17.3 miles (27.8 km) trail that takes 1 hour 50 minutes to complete. This route combines historic ruins with sections through the Towy Valley.
  • Another top favourite among local touring cyclists is Swiss Valley Cycle Path – Cwm Lliedi Reservoir loop from Cross Hands, a moderate 26.3 miles (42.3 km) path. This route offers views of a reservoir framed by mountain scenery.
  • Local touring cyclists also love the Allt Y Rhos – Merry Mount Wood loop from Foelgastell, a 25.1 miles (40.4 km) trail leading through woodlands, often completed in about 2 hours 36 minutes.
  • Touring cycling around Llanarthney is defined by the Towy Valley, historic castles, and varied woodlands. The network offers options for different ability levels, from leisurely valley rides to more challenging ascents.
  • The routes in Llanarthney are highly rated by the komoot community with an average score of 4.5 stars from over 80 reviews. More than 1000 touring cyclists have used komoot to explore Llanarthney's varied terrain.

Last updated: June 29, 2026

4.0

(1)

2

riders

#1.

Aberglasney & Dryslwyn Castle loop from National Botanic Gardens

27.8km

01:51

390m

390m

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

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Moderate

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

Moderate
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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

5.0

(1)

14

riders

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

Moderate
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Popular around Llanarthney

Road Cycling Routes around Llanarthney

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MTB Trails around Llanarthney

Hiking around Llanarthney

Tips from the Community

Phil Bowen
April 21, 2026, Swiss Valley Trail

Near Tumble the trail is closed due to a landslide, so be aware you cannot make it all the way through to crosshands.

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Cycle Route 47 is closed between Tumble and Pontyberem due to a landslide

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Half price entry if arriving on bike (£8). Cafe (pretty average) is only accessible with paid entry to the gardens.

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This beautiful reservoir is framed by the stunning mountain scenery of the Brecon Beacons. From the vantage point of the Swidd Valley Trail, you can enjoy a great view of the reservoir and its picturesque surroundings.

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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.

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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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Ian
December 15, 2022, Swiss Valley Cycle Path

Park for free at the Cross Hands retail park (B&M Bargains) then pickup the route just out of the car park A lovely flat, easy going route suitable for all abilities, that follows the course of an old railway line down into Llanelli through woodlands and fields

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The Golden Grove Estate was at its peak the largest and most important estate in South West Wales. It totalled 50,000 acres which included five castles and 12 manors.

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Frequently Asked Questions

How many touring cycling routes are available around Llanarthney?

There are over 120 touring cycling routes around Llanarthney, offering a wide variety of options for different skill levels and preferences. These routes are highly rated by the komoot community, with an average score of 4.5 stars from over 80 reviews.

What kind of terrain can I expect on touring cycling routes in Llanarthney?

Touring cycling routes in Llanarthney primarily traverse the picturesque Towy Valley, offering scenic rides alongside the River Towy. You'll find a mix of quiet roads and undulating terrain. The region is encircled by the Black Mountain Range and the Brecon Beacons, providing dramatic backdrops and opportunities for more challenging ascents. Many routes consist of mostly paved surfaces, suitable for various bike types.

Are there family-friendly touring cycling routes in Llanarthney?

Yes, Llanarthney offers several options suitable for families. While many routes are moderate, there are 7 easy touring cycling routes available. These often feature quieter roads and less challenging gradients, making them ideal for a leisurely family outing.

Can I find routes that pass by historical sites or castles?

Absolutely. The region is rich in history, and many routes incorporate landmarks. For example, the Aberglasney & Dryslwyn Castle loop from National Botanic Gardens combines historic ruins with sections through the Towy Valley. You can also explore highlights like Dinefwr Castle and Dryslwyn Castle, which offer commanding views.

Are there any routes with good viewpoints or natural features like waterfalls?

Yes, Llanarthney's landscape provides numerous scenic viewpoints. The Black Mountain Range and Brecon Beacons offer dramatic backdrops, and Paxton's Tower provides commanding views over the Botanic Gardens and the Tywi valley. For natural features, the River Gwynon flows through the village, and local routes, such as a popular 'Waterfall loop from Llanarthney' (not a komoot tour), highlight local waterfalls and well-maintained paths.

What are the difficulty levels of touring cycling routes in Llanarthney?

Llanarthney caters to various fitness levels. There are 7 easy routes, 62 moderate routes, and 55 difficult routes. This means you can choose anything from a gentle ride through the valley to a more challenging ascent into the surrounding mountains.

Are there circular touring cycling routes available?

Yes, many touring cycling routes in Llanarthney are circular, allowing you to start and end at the same point. Examples include the Aberglasney & Dryslwyn Castle loop from National Botanic Gardens, and the Swiss Valley Cycle Path – Cwm Lliedi Reservoir loop from Cross Hands. The region also offers routes like the 'Carmarthen, Llanarthne and Nantgaredig circular' and the 'Tywi Valley circular tour' for varied experiences.

What parks or gardens can I visit while cycling in the area?

Llanarthney is home to the National Botanic Garden of Wales, a 300-acre site with woodlands, lakes, and the world's largest single-span glasshouse. Cyclists can even receive half-price entry when arriving by bike. Additionally, Gelli Aur Country Park and Ynysdawela Nature Park offer further opportunities to explore diverse habitats and woodland trails.

Where can I refuel or find refreshments along the cycling routes?

Llanarthney itself offers options for cyclists to refuel, such as Wright's Food Emporium. Many routes will pass through or near villages and towns where you can find cafes and pubs. The National Botanic Garden of Wales also has a cafe, making it a convenient stop.

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

The komoot community highly rates touring cycling in Llanarthney, with an average score of 4.5 stars. Cyclists often praise the region's diverse landscapes, including the scenic Towy Valley, the dramatic mountain backdrops, and the varied woodlands. The combination of historic sites and natural beauty, along with well-maintained paths, makes for a rewarding experience.

Are there any routes that take me through woodlands?

Yes, the area features several woodlands and parks that are incorporated into cycling routes. For instance, the Allt Y Rhos – Merry Mount Wood loop from Foelgastell leads through woodlands. Gelli Aur Country Park and Ynysdawela Nature Park also offer woodland trails and diverse habitats for exploration.

Can I combine cycling with exploring other attractions in the region?

Absolutely. Llanarthney is an excellent base for combining cycling with other activities. You can cycle to historic castles like Dinefwr Castle or Dryslwyn Castle, or visit the National Botanic Garden of Wales. Many routes are designed to pass by these points of interest, enhancing your overall experience.

Most popular routes around Llanarthney

Road Cycling Routes around Llanarthney

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