4.6
(471)
4,091
hikers
55
hikes
Hiking around Usk Reservoir offers diverse landscapes within the Brecon Beacons National Park. The region is characterized by the 280-acre reservoir itself, surrounded by Glasfynydd Forest, rolling hills, and expansive moorland. Trails often follow the reservoir's perimeter, providing views of the water and the distant Black Mountains escarpment. The area's elevation, at 1,006 feet (307 m) above sea level, contributes to varied terrain suitable for different hiking experiences.
Last updated: May 10, 2026
4.6
(29)
286
hikers
10.3km
02:46
130m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
2
hikers
4.50km
01:13
60m
60m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.8
(4)
28
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
3
hikers
20.6km
06:14
650m
650m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
3
hikers
6.45km
01:44
90m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Ideal for a lap with human and animal
0
0
Quite a tricky path. Easier up than down I reckon. I did it with a wonky arm so don’t worry too much.
0
0
Moderate trail for all to explore and enjoy the beautiful sceneries
2
1
Moderate trail for most to enjoy, light elevation and amazing views on a clear day
1
1
There are over 50 hiking routes around Usk Reservoir, catering to various skill levels. You'll find a good mix of easy, moderate, and challenging trails to explore the area's diverse landscapes.
The terrain around Usk Reservoir is quite varied. You can expect compacted-stone forestry tracks, tarmac roads, and paths through dense woodland and open moorland. Some routes also bring you along the banks of the River Usk, with stunning views of the Black Mountain escarpment in the distance. Proper footwear is recommended, especially after rain, as some sections can be muddy.
Yes, Usk Reservoir offers several easy walks perfect for families. A popular choice is the Usk Reservoir loop from Usk Reservoir Dam, an easy 4.5 km path that provides accessible sections and views from the dam wall. Another option is the Hiking loop from Usk Reservoir, which is 6.4 km and also rated as easy.
Usk Reservoir is generally dog-friendly, with many trails suitable for walks with your canine companion. However, please ensure your dog is kept under control, especially around livestock or wildlife, and always follow the Countryside Code. Remember to carry waste bags and dispose of them responsibly.
Yes, circular routes are a major draw here. The most popular is the Usk Reservoir Trail, a moderate 10.3 km loop that offers continuous views of the reservoir and surrounding woodlands. Another great option is the View of Pontsticill Reservoir – View East Along Usk Reservoir loop from Usk Reservoir, a 11.6 km moderate trail.
The reservoir itself is a central, picturesque feature, offering tranquil lake views. Walking across the dam wall provides panoramic vistas. You'll also enjoy the Glasfynydd Forest, which encircles the reservoir, and the dramatic backdrop of the distant Black Mountains escarpment. The River Usk also features on some trails.
Yes, there are several small car parks available for visitors around the Usk Reservoir area, making it convenient to access the various trails. These are often located near popular starting points for walks.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 450 reviews. Reviewers often praise the tranquil waterside paths, the immersive experience of the dense woodlands, and the stunning views of the Black Mountains. The variety of trails, from easy strolls to more challenging hikes, is also frequently highlighted.
For experienced hikers seeking a challenge, the Fan Foel summit – Llyn y Fan Fawr loop from Usk Reservoir is a difficult 20.6 km hike with significant elevation gain. This route requires good fitness and offers a more strenuous adventure into the surrounding moorland and hills.
Usk Reservoir offers beautiful hiking opportunities year-round. Spring brings fresh greenery, while autumn showcases vibrant foliage. Summer is ideal for longer days and warmer weather, and even winter can be magical with crisp air and potentially snow-dusted landscapes. Always check local weather forecasts before heading out, as conditions can change rapidly in the Brecon Beacons.
Beyond the reservoir, you can explore the nearby Craig-y-Nos Country Park, which features beautiful gardens, woodland walks, and a historic castle. For those interested in astronomy, Usk Reservoir is also recognized as a Dark Sky Discovery Site, offering excellent stargazing opportunities due to minimal light pollution.
The time it takes depends on the specific route you choose. The popular Usk Reservoir Trail, which is 10.3 km, typically takes around 2 hours and 46 minutes to complete. Shorter loops, like the 4.5 km Usk Reservoir loop from Usk Reservoir Dam, can be completed in about 1 hour and 15 minutes.


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