4.7
(12)
215
riders
12
rides
Gravel biking in Carmarthenshire offers a diverse landscape for riders seeking no traffic routes. The region features rugged mountains, tranquil forests, and scenic river valleys, providing varied terrain for all skill levels. Expansive coastal paths and dedicated forest trails contribute to a network of quiet gravel cycling routes Carmarthenshire is known for. This combination of natural features makes Carmarthenshire a compelling destination for off-road cycling.
Last updated: July 11, 2026
3
riders
80.2km
07:05
1,450m
1,450m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
37
riders
11.7km
00:54
50m
50m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(1)
38
riders
50.4km
04:05
1,120m
1,110m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
2
riders
78.4km
05:31
1,440m
1,440m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
29
riders
60.4km
04:38
1,280m
1,280m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Carmarthenshire
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Cwm R MTB trail is completely blocked at top end due to hundreds of wind fallen trees this winter. Please consider before as you can not navigate loop.
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It was a truly stunning spot to take in the scenery from this elevated panoramic viewpoint. Highly recommended.
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A short climb up from the road brings you to the Dam and carpark, there is no access over the Dam itself. But you do get a good view over the spillway and valley below.
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Devil’s Staircase is a climb for mountain bike type gears and an advantage for those that can ride out of the saddle .My attempts have failed miserably,best of luck.
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THE TALE OF THE WELSH “ROBIN HOOD” Known as Twm Siôn Cati Twm Siôn Cati is a historically known figure in Welsh folklore. A tale recounted by Meyrick recalls how Twm was asked by a poor man to steal a pitcher for him. They went together to a merchant where Twm started belittling the man's wares. Having told his friend secretly to take the pitcher of his choice, Twm distracted the merchant by telling him there was a hole in one of the pitchers, which the man denied. Twm desired him to put his hand in the pitcher to test it and the man still denied there was a hole. Twm then asked him how, if there was no hole, could he have put his hand inside? By this time his friend had disappeared with his pitcher, undetected. A tale from Prichard's book involves an occasion when Twm is staying in an inn overnight and realises other people are planning to rob him the following day after he sets off. He has a large sum of money with him. The following morning he behaves as though his money is in the pack-saddle of his horse. When the highwayman catches up, Twm drops the saddle in the middle of a pool. The highwayman wades into the pool to fetch it, Twm takes the opportunity to make off with the highwayman's horse. A complication arises because the horse responds to the voice of the highwayman crying "Stop!" Luckily Twm, in terror, happens to shout a word which makes the horse gallop on again, and he is conveyed to safety. Another tale recounts how Twm waylaid a rich squire, who was accompanied by his daughter, Twm was so smitten with her that he returned her jewellery to her and attempted to woo her, against her father's opposition and, initially, her own. One full moon shortly after the robbery, he crept to her window, roused her from sleep, caught her hand at the window and kissed it, refusing to let her go until she promised to marry him. She wouldn't promise so Twm drew his dagger, drew blood on her wrist and threatened to sever her hand unless she assented to marriage forthwith. She agreed to marry him and she kept her hand. Their marriage followed soon after, despite her father's views and the directness of Twm's courtship methods. The girl was supposedly the widow of the sheriff of Carmarthen. Through this marriage Twm is supposed to have gained respectability, eventually becoming a justice of the peace, sitting in judgement on others, a position he held until his death aged 79.
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Pembrey Forest and country park covers over 500 acres of woodland and dune area. The trails through the forest and along the coast are all brilliant running, with miles of easy underfoot terrain in a peaceful setting.
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A lot of climbing to get over the top but the views are second to none and a good forestry fireroad. On a clear day you can see right across the Brecon Beacons.
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Carmarthenshire offers a selection of 12 dedicated no-traffic gravel bike trails, ranging from easy forest loops to challenging mountain routes. This includes 3 easy, 1 moderate, and 8 difficult routes, ensuring options for various skill levels.
You'll find a diverse range of terrain, from the rugged mountains and forests around the Llyn Brianne area to tranquil woodland paths in Pembrey Forest. The region also features picturesque river valleys like the Tywi Valley and coastal paths, offering a varied gravel biking experience away from traffic.
Yes, for a gentler ride, the Pembrey Forest – Pond and Bird Hide loop from Car Park 9 is an excellent choice. Pembrey Forest offers numerous woodland paths and cycleways suitable for families, providing a safe and enjoyable experience away from roads.
For experienced riders seeking a challenge, routes around the Llyn Brianne area are ideal. Consider the Llyn Brianne & The Devil's Staircase loop from Llandovery, known for its demanding ascents and wild scenery. Another option is the Super Steep Climb – Forest Track loop from Pwll Yr Hyddod, which offers significant elevation gain.
The komoot community highly rates the no-traffic gravel trails in Carmarthenshire, with an average score of 4.82 out of 5 stars. Riders often praise the stunning natural beauty, the sense of escape on quiet forest tracks, and the challenging yet rewarding climbs in areas like Llyn Brianne.
Yes, many of the no-traffic gravel routes in Carmarthenshire are designed as loops. For example, the View of Llyn Brianne – Llyn Brianne Dam loop from Llandovery offers a substantial circular ride through scenic landscapes, bringing you back to your starting point.
Carmarthenshire's trails often pass through areas of outstanding natural beauty. You might encounter the expansive Llyn Brianne reservoir, the dramatic Black Mountain, or the tranquil Pembrey Forest. For specific viewpoints, consider highlights like Picws Du summit & view of Llyn y Fan Fach or Fan Foel summit for breathtaking vistas.
For longer adventures, several routes offer significant distances. The Llyn Brianne & The Devil's Staircase loop from Llandovery covers over 80 km, providing an epic day out on quiet gravel roads and tracks. Another substantial option is the The Towy Bridge Inn – Llyn Brianne Dam loop from Cilycwm, which is over 60 km.
Spring and autumn generally offer the most pleasant conditions for gravel biking in Carmarthenshire, with milder temperatures and beautiful scenery. Summer can also be excellent, though some trails might be busier. Winter riding is possible, but be prepared for potentially wet and muddy conditions, especially on unpaved sections.
Beyond the Llyn Brianne area, forests like Pembrey Forest, Brechfa Forest, and Crychan Forest are excellent for no-traffic gravel biking. They offer extensive networks of forest roads and trails, providing a peaceful and immersive riding experience away from public roads.
While many of the no-traffic trails venture into remote areas, you'll often find amenities in nearby towns and villages. For example, routes starting or passing through Llandovery will have access to local services. It's always a good idea to plan your route and check for facilities beforehand, especially on longer rides.
Carmarthenshire is rich in history. While not directly on every gravel trail, many routes pass near areas with historical significance. You can find castles like Carreg Cennen Castle or Dinefwr Castle within a short distance of some trailheads, offering a chance to combine your ride with a cultural visit.


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