Updated
The Usk Reservoir (Welsh: Cronfa Wysg) is located in the upper Usk Valley, at 1,006 feet (307 m) above sea level, in the western part of the Brecon Beacons National Park, Wales. The county boundary between Carmarthenshire and Powys runs through the reservoir which lies about six miles to the north of the Black Mountain escarpment. It is an important landmark for walkers on the mountain range.
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Weather at Usk Reservoir
43°F, Light rain · H 44° / L 41° · 91% chance of rain3-day forecast
H: 44° L: 41°
Light rain
43°
|
Feels like 42°
Precipitation
91%
Humidity
96%
Wind
3 mph
UV Index
0.1
Weather notes:
🌧️Rain expected
12 AM
42°
3 AM
42°
6 AM
44°
9 AM
43°
12 PM
43°
3 PM
44°
6 PM
44°
9 PM
41°
Frequently asked questions
- Where is Usk Reservoir?
- Usk Reservoir is a reservoir in Wales.
- Can you swim at Usk Reservoir?
- There is no fixed answer for Usk Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Usk Reservoir in Wales. Check current water conditions before you go, and follow posted signs and local guidance.
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Location & Contact
Wales
🏞️ Best times & visiting tips
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
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