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Running Trails
United Kingdom
Wales
South Wales
Carmarthenshire

Llangyndeyrn

The best running trails around Llangyndeyrn

3.8

(7)

3,457

runners

212

runs

Jogging routes around Llangyndeyrn traverse a diverse landscape, from the agricultural Gwendraeth valleys to the varied terrain of Mynydd Llangyndeyrn Common. The area features woodlands, offering shaded paths, and includes accessible routes around reservoirs like Cwm Lliedi. This region provides a mix of gentle, easily accessible paths and more challenging routes with elevation gains.

Best jogging routes around Llangyndeyrn

  • The most popular jogging route is Cwm Lliedi (Lower) Reservoir – Swiss Valley Trail loop from Five Roads, a 7.9…

Last updated: June 22, 2026

14

runners

#1.

Cwm Lliedi (Lower) Reservoir – Swiss Valley Trail loop from Five Roads

12.7km

01:23

150m

150m

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

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Moderate

7

runners

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

Moderate
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Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

4

runners

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

Moderate

5

runners

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

Moderate
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Popular around Llangyndeyrn

MTB Trails around Llangyndeyrn

Cycling around Llangyndeyrn

Road Cycling Routes around Llangyndeyrn

Hiking around Llangyndeyrn

Gravel biking around Llangyndeyrn

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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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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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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disused kiln, hidden in wood to side of trail very overgrown but worth a look,

1

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Enjoy the walk that winds along the edge of Cwm Lliedi (Lower) Reservoir and through the woodlands of Swiss Valley offering views over the water and the chance to spot a variety of wildlife.

2

0

Great place to canoe or SUP. Organised tours can be arranged or you can self-launch, with permission.

1

0

Nathan
August 3, 2021, Swiss Valley Trail

Good Cycling Track. Wide enough for two bikes too Pass. Slight Gradient.

3

0

Frequently Asked Questions

How many running routes are available in the Llangyndeyrn area?

There are over 200 dedicated running routes around Llangyndeyrn, offering a wide variety of terrain and distances. These include paths through agricultural valleys, woodlands, and around reservoirs.

Are there easy jogging routes suitable for beginners or a relaxed run?

Yes, Llangyndeyrn offers a good selection of easy jogging routes. There are 21 routes specifically graded as easy, often featuring easily accessible paths and gentle gradients. The area around the Cwm Lliedi (Lower) Reservoir is known for its accessible loops, perfect for a pleasant jog.

What kind of terrain can I expect on the running trails in Llangyndeyrn?

The running trails in Llangyndeyrn feature diverse terrain. You'll find paths through agricultural landscapes in the Gwendraeth valleys, shaded routes in woodlands, and varied ground on Mynydd Llangyndeyrn Common, which includes marshy grassland, scrub, and bare rock. Many routes, like the Running loop from Llanddarog, wind through rural landscapes with gentle gradients.

Are there any long-distance running options or more challenging trails?

Absolutely. For those seeking a longer or more challenging run, Llangyndeyrn has 27 routes graded as difficult. An example is the Upper Lliedi Reservoir – Stradey Wood loop from Five Roads, which covers nearly 16 km and includes significant elevation changes, leading through the Upper Lliedi Reservoir area and Stradey Wood.

What do other runners say about the jogging routes in Llangyndeyrn?

The running routes in Llangyndeyrn are highly rated by the komoot community, with an average score of 4.0 stars. Over 3500 runners have explored the area, often praising the diverse terrain, scenic views, and the mix of gentle and challenging paths available.

Are there any circular running routes in Llangyndeyrn?

Yes, many of the running routes in Llangyndeyrn are circular, allowing you to start and finish at the same point. A popular example is the Cwm Lliedi (Lower) Reservoir – Swiss Valley Trail loop from Five Roads, which offers a scenic 12.7 km loop around the reservoir.

Can I find running routes that pass by interesting landmarks or attractions?

Yes, several running routes offer views of or pass near interesting landmarks. For instance, routes around the Cwm Lliedi Reservoir provide scenic backdrops. You can also explore areas near historical sites like Kidwelly Castle or natural attractions like the Swiss Valley Reservoir (Lower Lliedi Reservoir). The nearby Millennium Coastal Path also offers stunning coastal views.

Are there family-friendly running trails in Llangyndeyrn?

Many of the easier and moderate routes in Llangyndeyrn are suitable for families, especially those with easily accessible paths and flatter sections. The loops around Cwm Lliedi (Lower) Reservoir are often described as great for any fitness level, making them ideal for a family jog. Pembrey Forest, located nearby, also offers miles of easy underfoot terrain in a peaceful setting.

Are dogs allowed on the running trails in Llangyndeyrn?

Yes, many public rights of way and open access lands in Carmarthenshire, including around Llangyndeyrn, are dog-friendly. However, it's always advisable to keep dogs under control, especially near livestock, and to check for specific signage on nature reserves or private land. Pembrey Forest is a popular spot for dog walking and running.

What are the best times of year to go jogging in Llangyndeyrn?

Llangyndeyrn offers enjoyable jogging conditions throughout much of the year. Spring and autumn provide pleasant temperatures and beautiful scenery with changing foliage. Summer is great for shaded woodland routes, while winter runs can be invigorating, though some paths on Mynydd Llangyndeyrn Common might be marshy. Always check local weather conditions before heading out.

Are there any running routes that offer views of lakes or water features?

Yes, the Llangyndeyrn area is home to several scenic water features. The Cwm Lliedi (Lower) Reservoir – Swiss Valley Trail loop from Five Roads provides excellent views of the reservoir. Other nearby highlights include the Swiss Valley Reservoir and Llyn Llech Owain, offering picturesque settings for your run.

Where can I find parking for the running routes in Llangyndeyrn?

Parking availability varies by route. Many trailheads, especially near popular spots like the Cwm Lliedi Reservoir or in villages like Five Roads and Llanddarog, will have designated parking areas. For routes on Mynydd Llangyndeyrn Common or within Pembrey Forest, specific parking facilities are usually available. It's recommended to check the starting point of your chosen route for detailed parking information.

Are there any cafes or pubs near the running trails for a post-run refreshment?

While specific cafes and pubs directly on every trail are rare, the villages and towns surrounding Llangyndeyrn, such as Llanddarog, Five Roads, and Kidwelly, offer various options for refreshments. You can often find local pubs and cafes to enjoy a drink or a meal after your run.

Most popular routes around Llangyndeyrn

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Most popular attractions around Llangyndeyrn

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