4.6
(47)
3,435
riders
217
rides
Road cycling routes around Llanarthney traverse a landscape characterized by rolling hills and river valleys, offering varied terrain for cyclists. The region features a network of rural roads, often winding through agricultural land and past historic sites. Cyclists can expect a mix of ascents and descents, with some routes providing views over the Towy Valley. The area's topography supports both gentle rides and more challenging climbs.
Last updated: May 25, 2026
4.0
(1)
157
riders
76.6km
03:57
980m
980m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
130
riders
30.0km
01:32
340m
340m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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34
riders
21.8km
00:58
180m
180m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
20
riders
35.1km
01:47
410m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
8
riders
30.2km
01:28
360m
360m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Great climb, long but not too steep. Views are absolutely amazing !!!
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Remains of a castle can be found at the end of the pedestrian zone
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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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Half price entry if arriving on bike (£8). Cafe (pretty average) is only accessible with paid entry to the gardens.
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Lots of little diversions en route if you fancy them, good views off Llandeilo
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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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This is a great cycle path, loads of room for every one
1
0
There are over 220 road cycling routes around Llanarthney, offering a wide range of options for different skill levels. This includes approximately 30 easy routes, over 150 moderate routes, and around 45 more challenging rides.
Yes, Llanarthney offers several easy road cycling routes perfect for beginners or those looking for a relaxed ride. One such option is the Carmarthen Quay loop from Pontargothi, which is 13.5 miles (21.8 km) long and leads through river valleys.
For those seeking a challenge, Llanarthney's rolling hills provide plenty of opportunities. A notable difficult route is the Paxton's Tower loop from Llanarthney, which covers 46.2 miles (74.4 km) with significant elevation gain, passing the historic Paxton's Tower.
The road cycling routes around Llanarthney are characterized by rolling hills and river valleys. You'll encounter a network of rural roads, often winding through agricultural land. Expect a mix of ascents and descents, with some routes offering views over the Towy Valley.
Spring and summer generally offer the most pleasant conditions for road cycling in Llanarthney, with milder weather and longer daylight hours. Autumn can also be beautiful with changing foliage, though weather can be more unpredictable. Winter rides are possible but require more preparation due to potentially colder and wetter conditions.
Yes, many of the routes around Llanarthney are circular, allowing you to start and finish in the same location. For example, the Allt Y Rhos – Allt Fawr loop from Llanarthney is a moderate 18.5-mile (29.7 km) circular path that navigates through hills and rural roads.
Road cycling routes in Llanarthney often pass by historical sites and scenic points. You might encounter landmarks like Paxton's Tower, or ride near the National Botanic Garden of Wales. The region also features several castles, such as Carmarthen Castle, which can be seen on routes like the Carmarthen Castle loop from Foelgastell.
Yes, many road cycling routes in the Llanarthney area pass through or near villages and towns where you can find cafes, pubs, and other refreshment stops. Planning your route to include these stops is recommended for longer rides.
The road cycling routes in Llanarthney are highly rated by the komoot community, with an average score of 4.6 stars from over 40 reviews. Cyclists often praise the varied terrain, from gentle river valleys to challenging climbs, and the quiet rural roads that allow for an immersive experience in the Welsh countryside.
Parking is generally available in the main villages and towns around Llanarthney, such as Llanarthney itself or nearby Carmarthen. It's advisable to check specific parking options when planning your starting point for a route.
While public transport options directly to every trailhead might be limited in rural areas, major towns like Carmarthen, which is accessible by bus and train, can serve as a starting point for routes that venture into the Llanarthney area. From there, you can cycle to connect with various routes.
Absolutely. The market town of Llandeilo is a charming stop with its town centre, and the historic Dinefwr Castle and Newton House are also nearby, offering cultural points of interest along or close to many routes.


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