Can anybody let me know if they have fished any of the brecon reserviors just off merthyr,hot spots, types of flies to use as i'm thinking about having a crack at either lynn-on beacons or the other one ( forgot the name )

The one your are missing is Cantref. Only fished it the once and had promised myself a trip there this year and to Beacons Reservoir. Cantref and Llwyn Onn are stocked with Rainbows. Llwyn Onn is open for worm fishers too. Beacons I believe is more wild but has been stocked I think with browns at some stage but maybe not for a while. I'm sure others on here will put me right if I've given inaccurate info and can provide more info as to what to use and where.

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Location - Ospreylia