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Crai Reservoir - Photo 1
Photo: Cray Reservoir 2009-06-08.jpg via Wikidata Q3397842 License

Crai Reservoir

Reservoir

Good conditions today

Crai Reservoir (also known as Cray Reservoir) is a storage reservoir located in the Brecon Beacons National Park (named after the village of Crai) for the water supply to the city of Swansea in South Wales and was built between 1898 and 1908 by Swansea Corporation. The reservoir now supplies water to the towns in the valley of the River Tawe and north Swansea. The reservoir is one of several established in what is now the Brecon Beacons National Park, an area of Old Red Sandstone peaks with relatively high rainfall.

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Weather at Crai Reservoir

H: 70° L: 48°
Sunny
Sunny
70°
|
Feels like 65°
Precipitation
4%
Humidity
32%
Wind
5 mph
UV Index
2.8
Water Conditions:
🏊Cool but swimmable
12 AM
Clear
51°
3 AM
Clear
49°
6 AM
Clear
48°
9 AM
Sunny
54°
12 PM
Sunny
65°
3 PM
Sunny
70°
6 PM
Partly Cloudy
67°
9 PM
Clear
55°

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Frequently asked questions

Where is Crai Reservoir?
Crai Reservoir is a reservoir in Wales.
Can you swim at Crai Reservoir?
There is no fixed answer for Crai Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Crai Reservoir in Wales. Check current water conditions before you go, and follow posted signs and local guidance.

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Best Times to Visit

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Good conditions for visiting
🏞️ Lakes 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
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Wales

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