4.2
(6)
37
riders
05:51
69.0km
900m
Gravel riding
Embark on a challenging gravel biking adventure through the Bannau Brycheiniog / Brecon Beacons National Park. This difficult 42.9-mile (69.0 km) loop from Blaenavon offers a rugged and varied terrain, perfect for experienced riders. You will encounter significant gravelly climbs, including the notable ascent near Talybont Reservoir, as you gain…
Last updated: April 23, 2026
Tips
Includes a movable bridge
Check opening times.
After 42.3 km for 9 m
Waypoints
Start point
Parking
Get Directions
20.9 km
Highlight • Gorge
Tip by
31.3 km
Highlight (Segment) • Viewpoint
Tip by
56.3 km
Highlight (Segment) • Structure
Tip by
69.0 km
End point
Parking
Way Types & Surfaces
Way Types
29.3 km
23.1 km
9.23 km
4.34 km
2.37 km
652 m
Surfaces
30.2 km
23.3 km
11.3 km
3.98 km
293 m
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Elevation
Highest point (530 m)
Lowest point (70 m)
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Weather
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Tuesday 5 May
12°C
6°C
0 %
Additional weather tips
Max wind speed: 9.0 km/h
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This route was planned by komoot.
This route is classified as a difficult gravel ride, requiring a very good level of fitness. You should be prepared for substantial climbs, with approximately 900 meters (2,953 feet) of elevation gain over its 69.0 km (42.9 miles) length. Some sections may be steep enough to require pushing your bike.
The terrain is varied, typical of Welsh mountain gravel riding. While some sections are paved, a significant portion is unpaved, featuring gravelly climbs, forest roads, and potentially rocky or slippery sunken roads. You'll encounter paths, roads, cycleways, and even some singletrack. The surfaces are often rocky rather than muddy, making it suitable for year-round riding.
Yes, the route offers several notable points of interest. You'll pass by the Trefil Quarry Cliffs and experience the challenging yet scenic Talybont Reservoir Gravel Climb, which provides stunning views back over the reservoir. The trail also crosses the picturesque Monmouthshire and Brecon Canal Stone Bridge. Expect breathtaking natural views of the River Usk, Talybont Reservoir, and Pontsticill Reservoir, along with hills, woods, and waterfalls.
While specific parking details for the Blaenavon start are not provided, Blaenavon, as the starting point, typically offers public parking options. It's advisable to check local parking availability in Blaenavon before your ride. For the Talybont-on-Usk area, there are often parking facilities near the reservoir or village that serve various cycling routes.
Yes, this route incorporates sections of several official trails. You'll find yourself on parts of the Cycle across the Beacons, Lôn Las Cymru (South), Taff Trail, Beacons Way, Cambrian Way, Usk Valley Walk, and the Brinore Tramroad, among others. This allows for a diverse riding experience through a network of established paths.
While the Bannau Brycheiniog / Brecon Beacons National Park generally welcomes dogs, it's crucial to keep them under close control, preferably on a lead, especially around livestock and wildlife. Always follow the Countryside Code and ensure your dog doesn't disturb other users or animals. Be mindful of the route's difficulty and length when considering bringing a dog.
Generally, you do not need a special permit or pay an entrance fee to cycle on public rights of way or designated trails within Bannau Brycheiniog / Brecon Beacons National Park. However, always respect private land and adhere to any local signage. There are no specific permits required for this gravel biking route itself.
The terrain, being often rocky rather than muddy, makes this route suitable for year-round riding. However, for the most enjoyable experience with better weather and clearer views, late spring to early autumn (May to October) is generally recommended. Be prepared for changeable Welsh weather conditions regardless of the season.
While specific establishments directly on the trail are not detailed, both Blaenavon and Talybont-on-Usk are villages that typically offer amenities. Blaenavon, as a historic town, and Talybont-on-Usk, a cycling hub, are likely to have cafes or pubs where you can refuel before or after your ride. It's a good idea to check opening times in advance.
Given the route's difficulty and length, you should bring plenty of water and snacks, appropriate clothing layers for changeable weather, a repair kit for your bike (including spare tubes, pump, and tools), a first-aid kit, and a fully charged phone. A GPS device or the komoot app with the route downloaded is highly recommended for navigation.
Blaenavon is accessible by public transport, though options might be limited depending on your starting location. Local bus services connect Blaenavon to nearby towns. It's advisable to check current bus timetables and routes to plan your journey, especially if you're bringing a bike, as space for bicycles on buses can be restricted.
Share on the way up. More gravel there. The passage is not entirely gravel worthy, you have to walk for parts. Then descend again over the gravel and the road. Video: https://youtu.be/5idNOILq6Fs?si=4tUOdqfHv2XKbxWJ