4.3
(7)
47
riders
5
rides
Gravel biking around Cosmeston Lakes offers a diverse landscape for cyclists, characterized by varied terrain that includes river valleys, forested sections, and routes that explore the wider South Wales region. The area features a network of paths suitable for gravel bikes, connecting natural spaces with historical points of interest. Routes often incorporate significant elevation changes, providing challenging climbs and rewarding descents.
Last updated: May 21, 2026
3.0
(1)
8
riders
96.9km
08:33
1,820m
1,820m
Embark on a challenging gravel biking adventure with the Cwmcarn loop from Cardiff, a route designed for experienced riders. This difficult 60.2-mile (96.9 km) journey will test your endurance, featuring…
4.7
(3)
8
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Sign up for free
5.0
(1)
5
riders
63.6km
04:21
970m
970m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
24
riders
46.8km
03:46
540m
540m
The Caerphilly mountain loop from Cardiff offers a challenging gravel biking experience, covering 29.1 miles (46.8 km) with a significant 1775 feet (541 metres) of elevation gain. This difficult route…
5.0
(1)
3
riders
50.2km
03:31
820m
820m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Great place to capture some photos of the River Taff. Scenic all year round
0
0
Nice easy flat ride. Can be busy with walkers and other cyclists, particularly on weekends. Early mornings are the best, with so much birdsong and wildlife. Take a moment to enjoy the view of the Weir, which usually has a row of gulls fishing on it.
0
0
Gonna give this loop a go tomorrow- thanks for sharing
0
0
This Weir is a wonderful home for birds as they wash their feet, and gossip about others' nests
0
0
The white noise from the crashing water makes this a perfect place to tune out of the world. Unique place!
0
0
Some gates are pain to get the bike through loud easy turn handapbares lift front wheel
0
0
The gravel biking routes in the Cosmeston Lakes area are primarily suited for experienced cyclists, with 4 out of 6 routes rated as difficult and 2 as moderate. They often feature significant elevation changes, including challenging climbs and rewarding descents through varied landscapes.
Yes, for those seeking longer rides, the Cwmcarn loop from Cardiff is a substantial option, covering 60.2 miles (96.9 km) with considerable elevation. Another longer route is the Hengoed Viaduct – Hengoed Viaduct loop from Ninian Park, which is 39.5 miles (63.6 km) long.
The terrain around Cosmeston Lakes is diverse, characterized by river valleys, forested sections, and routes that explore the wider South Wales region. You'll encounter a mix of surfaces, often with notable elevation gains and descents, providing a varied and engaging gravel biking experience.
The routes in this guide are generally rated as moderate to difficult, making them more suitable for experienced gravel cyclists. There are no routes specifically classified as easy within this selection, so families with young children or beginners might find these trails challenging due to the elevation changes and distances.
Spring and autumn generally offer the most pleasant conditions for gravel biking around Cosmeston Lakes, with milder temperatures and beautiful scenery. While winter riding is possible, be prepared for potentially wet and muddy conditions, especially in forested and river valley sections.
Yes, many of the routes in the area are designed as loops. For example, the Blackweir Bridge and Weir – Coed Tranch-yr-Hebog Quarry loop from Ninian Park and the Caerphilly mountain loop from Cardiff are excellent circular options that allow you to start and finish at the same point.
The komoot community highly rates the gravel biking experience here, with an average score of 4.3 stars from over 8 reviews. Riders often praise the varied terrain, which includes river paths, forested quarry areas, and historical structures, providing a rich and engaging ride.
Given the significant elevation changes and routes that explore wider regional landscapes, many trails offer rewarding views. Routes that climb into higher ground, such as the Caerphilly mountain loop from Cardiff, are likely to provide panoramic vistas of the surrounding South Wales countryside.
While Cosmeston Lakes itself can be popular, the gravel biking routes often venture into wider river valleys and forested sections, which tend to be less crowded than central park areas. Exploring routes like the Llandaff Weir – Coed Tranch-yr-Hebog Quarry loop from Cathays can offer a more tranquil experience.
Many routes in this guide start from locations like Ninian Park or Cardiff, which are well-connected by public transport. Planning your journey to these starting points via train or bus can be a convenient way to access the trails without needing a car.
Yes, the region is rich in history. Routes like the Hengoed Viaduct – Hengoed Viaduct loop from Ninian Park specifically lead past historical structures, offering a blend of natural beauty and cultural exploration during your ride.


Browse the best Gravel rides in other regions.