Dog Walks Wales Llyn Brianne Reservoir 17 - Dog Friendly Wales | Dog Friendly Hotel

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Jack's Days Out > Llyn Brianne Reservoir Gallery

South Wales Dog Friendly Walks - Llyn Brianne Reservoir

Llyn Brianne Reservoir dog walking picnic area

Llyn Brianne: When you see the Plumes of Water

The dam is 299 feet high and 951 feet long, made of crushed and larger rock clay filled construction.

During the summer the water flow drives a single turbine.

During the winter and spring there are three turbines operating, producing 4.3 Megawatts of electricity.

When the water in the dam is below the spillway, you can see a plume of water coming from the turbines as the water exits through the lower drain-off, while in winter it will overflow down the spillway.

See more pictures of the Upper Towy Valley and Llyn Brianne.

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