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Photo: Grwyne Fawr Reservoir dam - geograph.org.uk - 135959.jpg via Wikidata Q24993957 License
Grwyne Fawr Reservoir
Reservoir
Cool today
The Grwyne Fawr Reservoir is located in the valley of the river Grwyne Fawr in the Brecon Beacons National Park, Wales. Completed in 1928, it has the capacity to hold 400,000,000 imperial gallons (1,800 megalitres).
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Weather at Grwyne Fawr Reservoir
45°F, Mist · H 46° / L 43° · 91% chance of rain3-day forecast
H: 46° L: 43°
Mist

45°
|
Feels like 43°
Precipitation
91%
Humidity
96%
Wind
3 mph
UV Index
0
Weather notes:
🌧️Rain expected
12 AM

45°
3 AM

45°
6 AM

44°
9 AM

43°
12 PM

43°
3 PM

44°
6 PM

45°
9 PM

45°
Frequently asked questions
- Where is Grwyne Fawr Reservoir?
- Grwyne Fawr Reservoir is a reservoir in Wales.
- Can you swim at Grwyne Fawr Reservoir?
- There is no fixed answer for Grwyne Fawr Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Grwyne Fawr 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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