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Lake:Llyn Brianne Reservoir & Dam

Lake, free entry

Cambrian Mountains,
SA20 0PG

What3words:

Details

Llyn Brianne (grid reference: SN 793 484) is a spectacular reservoir at almost 300m (990ft) above sea level. It holds over 64 million cubic metres of water contained by a 91m (300ft) stone-built dam and is the largest of its kind in Europe.

Llyn Brianne did not exist until the early 1970’s, when the river Tywi (Towy), which rises in the Cambrian mountains just 6 miles above Llyn Brianne, and other waterways were dammed to create Wales’ second-biggest reservoir by water volume, and South Wales’ largest lake.

Activities around Llyn Brianne include bird watching, fishing, stargazing, mountain biking and walking. From the car park and toilets you can walk around the lake and through the NRW forestry on the other side.

Please note that all fishing, boating and swimming in Llyn Brianne reservoir is strictly prohibited

STAR GAZING
Llyn Brianne is a stunning location for stargazing and was officially awarded Dark Sky Discovery Site status in October 2019, the first site to receive such an award in the Cambrian Mountains.

With wide open skies and uninterrupted vistas in nearly all directions it’s a perfect location for Astrophotography and spotting shooting stars! Also check out the small car park a little to the South which has fantastic views Northwards of the dam itself.

Open all the time

Prices

Free entry

Contact

Enquiries

Address

Cambrian Mountains,
SA20 0PG

Directions

Plan route to Llyn Brianne Reservoir and Dam using Google mapsPlan route using Google maps

Map reference: SN 793484  Lat: 52.12135 Long: -3.76361

There are two car parks at southern corner of reservoir and wo further car parks on eastern edge of reservoir.

Parking: free