Brynmawr and Tabont-on-Usk loop from Llangynidr
Brynmawr and Tabont-on-Usk loop from Llangynidr
4.0
(3)
36
riders
03:52
58.6km
830m
Cycling
Embark on a challenging touring bicycle adventure through Bannau Brycheiniog National Park with the Brynmawr and Tabont-on-Usk loop. This difficult route spans 36.4 miles (58.6 km) and demands a good fitness level, climbing 2711 feet (826 metres) over approximately 3 hours and 52 minutes. You will cycle past the expansive…
Last updated: April 23, 2026
Tips
Includes a movable bridge
Check opening times.
After 52.7 km for 9 m
Waypoints
Start point
Parking
Get Directions
26.6 km
Highlight • Structure
Tip by
38.8 km
Highlight • Structure
Tip by
48.5 km
Highlight • Lake
Tip by
52.7 km
Highlight • Bridge
Tip by
58.6 km
End point
Parking
Way Types & Surfaces
Way Types
44.0 km
8.39 km
4.73 km
1.44 km
< 100 m
< 100 m
Surfaces
44.6 km
12.0 km
1.89 km
114 m
< 100 m
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Elevation
Highest point (440 m)
Lowest point (70 m)
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Weather
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Wednesday 6 May
13°C
5°C
42 %
Additional weather tips
Max wind speed: 8.0 km/h
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This route was planned by komoot.
You can find free parking and toilet facilities conveniently located in Llangynidr, which serves as the starting point for this cycling route.
The route features a varied terrain. While the majority (around 44-44.6 km) is paved asphalt and roads, you will also encounter unpaved sections, singletrack, and paths. Some segments may even require you to push your bike. There's a notable gravel climb that is best suited for road bikes with larger wheels or gravel bikes. The canal towpath sections, particularly from Llangynidr to Talybont-on-Usk, are generally clear, well-maintained, and mostly level with mild ascents near locks.
No, this cycling route is rated as 'difficult' and requires 'very good fitness'. It involves significant elevation gain and can take over 5 hours to complete, with some challenging unpaved sections. It is not recommended for beginners.
You'll pass several notable features, including the Simnai Dirdro (Twisted Chimney), Pontsticill Reservoir, and the impressive Talybont Reservoir, which is the largest still water reservoir in the Brecon Beacons. You'll also cross the Talybont-on-Usk Lifting Bridge.
Expect stunning scenery as the loop winds through the Bannau Brycheiniog National Park. You'll enjoy views of the Usk Valley, the majestic Black Mountains, and the beautiful Talybont and Pontsticill Reservoirs. The route also takes you through picturesque canalside villages like Talybont-on-Usk and Llangynidr, featuring their historic locks and 18th-century bridges.
While the route can be enjoyed in various seasons, spring and autumn generally offer the most pleasant cycling conditions with milder temperatures and beautiful scenery. Summer can be good, but be prepared for potentially warmer weather and more visitors. Winter cycling may be challenging due to colder temperatures and potential for adverse weather conditions on exposed sections.
While specific regulations for dogs on bikes are not detailed, dogs are generally permitted in Bannau Brycheiniog National Park. However, given the route's difficulty, varied terrain, and potential for unpaved sections, it might not be ideal for all dogs, especially if they need to be carried or if you're cycling with them on a lead. Always ensure your dog is under control, especially near livestock or other trail users.
Generally, there are no specific permits or entrance fees required for cycling on public rights of way or designated trails within Bannau Brycheiniog National Park. However, always respect local signage and any specific regulations for certain areas or private land you might encounter.
Yes, Talybont-on-Usk is a significant cycling hub along the route. It offers amenities such as a Bike Hub with sustainable bike washing facilities, toilets, and showers. You'll also find cafes and pubs in Talybont-on-Usk and potentially in Llangynidr, providing opportunities for refreshments and breaks.
Yes, the route intersects with several other well-known paths. Notably, it covers sections of the Cycle across the Beacons, Lôn Las Cymru (South), and the Taff Trail. You'll also find smaller segments overlapping with the Usk Valley Walk and various National Cycle Network routes like Route 46 Link and Route 466.
Given the mix of paved roads, unpaved sections, and a gravel climb, a touring bicycle with larger wheels or a gravel bike would be ideal for this route. While much of it is paved, the challenging unpaved segments make a standard road bike less suitable unless it has robust tires.