Usk Reservoir and Glasfynydd Forest loop
Usk Reservoir and Glasfynydd Forest loop
4.7
(6)
24
riders
00:59
11.9km
160m
Mountain biking
Embark on an easy mountain biking adventure through the Usk Reservoir and Glasfynydd Forest loop. This route spans 7.4 miles (11.9 km) and involves a gentle climb of 517 feet (157 metres), typically completed in about 58 minutes. As you ride, you'll discover a peaceful, scenic experience, with the trail…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
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1.69 km
Highlight • Natural Monument
Tip by
3.21 km
Highlight • Trail
Tip by
11.9 km
End point
Parking
Way Types & Surfaces
Way Types
7.96 km
3.86 km
Surfaces
6.55 km
2.31 km
1.56 km
1.41 km
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Elevation
Highest point (380 m)
Lowest point (280 m)
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Weather
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Tuesday 7 July
27°C
10°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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This route was planned by komoot.
The trail is mostly a level, wide, stoned track that circles the Usk Reservoir. You'll encounter various surfaces including unpaved paths, asphalt, paved sections, and gravel. While generally smooth, some sections can get muddy after rain. There are a few short, sharp climbs, but overall it's considered an easy ride.
Yes, it's an excellent choice for beginners! The trail is rated as easy and is suitable for all skill and fitness levels. Its technical difficulty is very low (S0-S1), making it a great introduction to mountain biking.
You'll be treated to spectacular panoramic views throughout the ride. The route offers clear vistas of the dramatic Carmarthen Fans and the distant Black Mountains across the expansive Usk Reservoir. The surrounding Glasfynydd Forest also adds to the natural beauty.
Yes, the Usk Reservoir and Glasfynydd Forest loop is dog-friendly. However, as it's a shared path for cyclists and walkers within Bannau Brycheiniog National Park, please ensure your dog is kept under control, preferably on a leash, to respect other users and wildlife.
There is a dedicated car park available at the Usk Reservoir, which serves as the main trailhead for this loop. It's conveniently located for easy access to the start of your ride.
No, you do not need a permit or have to pay an entrance fee to ride this trail or to enter Bannau Brycheiniog National Park. Access to the park and its trails, including this loop, is generally free.
The trail can be enjoyed year-round, but spring and autumn offer particularly pleasant conditions with vibrant foliage or blooming wildflowers. Summer is also great, but be prepared for more visitors. Winter rides are possible, but sections can become muddy, so appropriate tires are recommended.
Most bikes equipped with 35mm or wider tires will be suitable for this trail. Given its predominantly wide, stoned track surface, a mountain bike or a gravel bike would be ideal for comfort and traction, especially if it's wet.
Yes, there are picnic tables conveniently placed along the route. These offer ideal spots to pause, rest, and enjoy the attractive views of the reservoir and surrounding landscape.
Yes, the route also passes through sections of the Cycle across the Beacons trail.
The primary highlights include the expansive Usk Reservoir itself, and the stunning View of the Reservoir in Bannau Brycheiniog National Park, offering panoramic vistas of the surrounding mountains.
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