4.6
(29)
285
hikers
02:46
10.3km
130m
Hiking
Hike the moderate 6.4-mile Usk Reservoir Trail in Bannau Brycheiniog National Park, enjoying tranquil lake views and forest paths.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
4.70 km
Highlight • Lake
Tip by
9.00 km
Highlight • Lake
Tip by
10.3 km
End point
Parking
Way Types & Surfaces
Way Types
6.14 km
2.18 km
1.77 km
156 m
Surfaces
5.09 km
1.53 km
1.08 km
988 m
687 m
649 m
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Elevation
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Weather
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Sunday 10 May
12°C
-2°C
37 %
Additional weather tips
Max wind speed: 24.0 km/h
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This route was planned by komoot.
There is a dedicated car park available at the Usk Reservoir, providing convenient access to the trailhead. It's advisable to arrive early during peak times as it can get busy.
Yes, the Usk Reservoir Trail is dog-friendly. However, as it's located within Bannau Brycheiniog National Park and passes through areas with wildlife and livestock, dogs should be kept on a lead at all times to ensure their safety and respect for the environment.
The trail is enjoyable year-round, but spring and autumn offer pleasant temperatures and beautiful scenery. After rainfall, sections can become wet and muddy, so proper footwear is essential. Its remote location also makes it excellent for stargazing, especially on clear nights.
No, there are no permits or entrance fees required to access the Usk Reservoir Trail itself or to hike within Bannau Brycheiniog National Park.
When hiking in Bannau Brycheiniog National Park, it's important to follow the Countryside Code. This includes keeping dogs on leads, taking all litter home, staying on marked paths, and respecting wildlife and livestock. There are no specific permits needed for general hiking.
Yes, the Usk Reservoir Trail is largely considered an easy to moderate hike, making it suitable for a wide range of fitness levels and a great option for families. While generally flat, it does have some undulating sections and minor hills.
The trail primarily consists of a mix of compacted-stone forestry tracks and tarmac roads. While much of the path is firm underfoot, especially on the northern side, it is undulating with some long slopes. Be prepared for sections that can become wet and muddy after rainfall.
The main circular route around the Usk Reservoir is approximately 8 km (5 miles) long and typically takes around 2 to 3 hours to complete at a moderate pace.
The trail offers stunning scenery, encircling the beautiful Usk Reservoir itself. You'll enjoy expansive views across the water to the majestic Mynydd Du (Black Mountain) and pass through tranquil woodland, particularly the Glasfynydd Forest. Keep an eye out for wildlife like Red Kites. Notable highlights include View East Along Usk Reservoir and Usk Reservoir.
The Usk Reservoir is in a remote location, so there are no cafes or pubs directly on the trail or immediately adjacent to the car park. It's recommended to bring your own refreshments or plan to visit establishments in nearby towns before or after your hike.
Some hikers suggest walking the loop in a clockwise direction. This can make the longer slopes predominantly downhill, potentially offering a slightly easier experience on those sections.