Wales
Llyns, the Usk and the valleys.

Fly Fishing in North and Mid Wales
Spate rivers, a grayling Dee, big upland reservoirs and mountain llyns, with stillwaters for when the rivers rest. A year-round access guide to Snowdonia, Bala, Conwy, Clwyd and the Cambrian uplands.
Dee, Conwy, Brenig, Vyrnwy, Elan, Ogwen

Fly Fishing Near Swansea
Free River Tawe town water, club water for salmon, sewin and brown trout through Pontardawe and Swansea Angling Society and Tawe & Tributaries Angling Association, plus the wider Loughor, Afan, Neath and Amman cluster — all within half an hour of Swansea.
The free Tawe stretch for the no-permit start. Club water above it for the real river. The wider valleys cluster when you want to see what else is holding fish.

Fly Fishing Near Cardiff
Winter grayling on the Taff inside the city, wild trout up the valleys, Llandegfedd for the stocked stillwater day, and the River Usk — the best wild-trout trip within reach of any Welsh city.
Taff for grayling all winter. Upper Taff for wild trout. Llandegfedd for the easy day. Usk when it matters most.