4.8
(4)
707
runners
53
runs
Jogging around Llanddeusant offers routes through the Black Mountain Range within the Brecon Beacons National Park. The region features a landscape of rolling hills, deeply incised valleys, and prominent peaks like Fan Brycheiniog. Glacial lakes, such as Llyn y Fan Fach, are focal points for many running routes. The terrain includes a mix of open fields, scattered deciduous woodlands, and historic pathways, providing diverse surfaces and gradients for runners.
Last updated: May 7, 2026
5.0
(1)
63
runners
9.76km
01:16
120m
120m
Embark on the Usk Reservoir running loop, a moderate 6.1-mile (9.8 km) jogging route in Brecon Beacons National Park. You will gain about 410 feet (125 metres) in elevation, with…
5.0
(1)
94
runners
19.0km
02:42
790m
790m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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10
runners
30.3km
04:12
1,130m
1,130m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
runners
9.44km
01:00
100m
100m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
runners
8.94km
01:13
280m
280m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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High elevation trail, good footwear and waterproof is a must even on a clear day as the weather can suddenly change
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Llanddeusant, nestled within the Black Mountain Range, offers a diverse landscape for runners. You'll find routes traversing rolling hills, deeply incised valleys, and extensive ancient woodlands. The terrain includes a mix of open fields, scattered deciduous woodlands, and historic pathways, providing varied surfaces and gradients, from gentle inclines to more challenging ascents.
Yes, Llanddeusant offers routes suitable for all abilities. While many trails are moderate or difficult, there are at least 4 easy routes available. These typically follow gentler paths through picturesque woodlands or along river valleys, perfect for a leisurely jog.
The region is rich in natural beauty. Many running routes feature stunning glacial lakes like Llyn y Fan Fach and Llyn y Fan Fawr, set beneath dramatic slopes. You'll also encounter the prominent north-facing scarp of the Black Mountain and can enjoy views from peaks like Fan Brycheiniog. The Usk Reservoir running loop, for example, offers scenic views of the reservoir itself.
Yes, the area around Llanddeusant has historical points of interest. You could combine your run with a visit to nearby castles such as Carreg Cennen Castle or the ruins of Llandovery Castle. Some routes might also pass through areas with historical significance, like the quarry mentioned in the Garreg Lwyd Summit – Herbert's Quarry loop.
While specific parking details vary by trailhead, many popular starting points for routes in the Brecon Beacons National Park, including those around Llanddeusant, offer designated parking areas. It's advisable to check route descriptions on komoot for details on parking at specific trailheads.
Llanddeusant is beautiful year-round, but spring and autumn often offer the most pleasant running conditions with milder temperatures and vibrant scenery. Summer is also popular, though trails can be busier. Winter running is possible, but be prepared for potentially challenging conditions, especially at higher elevations, due to cold, wind, and possible snow or ice.
Many trails in the Brecon Beacons National Park are dog-friendly, but it's crucial to keep dogs under close control, especially in areas with livestock or ground-nesting birds. Always follow the Countryside Code, keep dogs on a lead where required, and clean up after them. Specific route details on komoot often indicate dog-friendliness.
Yes, Llanddeusant offers a good selection of circular running routes, allowing you to start and finish at the same point. Examples include the popular Usk Reservoir running loop and the Bethlehem Hamlet loop, which are great for exploring the diverse landscapes without retracing your steps.
The remote and untouched landscape around Llanddeusant is excellent for wildlife spotting. You might see various birds, including red kites, common buzzards, and skylarks. The area is also home to red deer. There's even a Red Kite Feeding Station nearby, visited daily by over 50 birds, offering a unique opportunity to observe these magnificent raptors.
The running routes around Llanddeusant are highly rated by the komoot community, with an average score of 4.75 stars from over 4 reviews. Runners often praise the dramatic scenery of the Black Mountain Range, the serene glacial lakes, and the varied terrain that offers options for different ability levels, from easy jogs to challenging runs.
Absolutely. For experienced runners seeking a challenge, Llanddeusant offers several difficult routes with significant elevation gain. The Fan Foel summit – Fan Hir loop from Moel Feity, for instance, covers nearly 19 km with over 780 meters of ascent, providing a strenuous but rewarding experience with superb viewpoints.
There are over 50 running routes available around Llanddeusant on komoot, catering to various fitness levels and preferences. This extensive network ensures plenty of options for exploring the stunning landscapes of the Black Mountain Range.


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