a stunning loch
Powys, Wales

Beacons Reservoir

managed by Welsh Water

Image © Copyright Alan Hughes and licensed for reuse under this Creative Commons Licence. More information about this image at Geograph.


Beacons Reservoir is the top reservoir in the Cwmtaf valley on the river Taff system, the one nearest Brecon, on the A470 between Merthyr Tydfil and Brecon.

This 52 acre water contains wild brown trout and only fly fishing is permitted on a catch and release basis. It has good stocks of free rising fish that respond well to traditional wet and dry fly, average size is about 12oz with pound plus fish often figuring in the catches.

  • Powys, Wales
  • Brown trout
  • Lake


Permission & Tickets

Fishing is controlled by Welsh Water and day tickets are available online with the Fishing Passport or from the rangers unit at the Garwnant visitor centre, llwyn-on.

A season ticket option is also available, with the Osprey Fly fishing Association who are based in the Pontypridd area.