Updated

Crai Reservoir
Reservoir
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.
Interactive map not available
Weather at Crai Reservoir









Sponsored gear checklist
Pack smarter for Crai Reservoir
Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.
As an Amazon Associate we earn from qualifying purchases.
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.
Advertisement
Visitor Reviews
Be the first to share your experience here
Join our community to share your water adventures
Earn badges as you share your experiences!
No reviews yet — share what you know
Been here? A quick note helps the next visitor plan their day. Handy things to mention:
Best Times to Visit
- ›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
Location & Contact
Wales
</> Embed this location on your site
Paste this snippet into your website to show a live badge for Crai Reservoir — free to use with the included credit link.