Fishing in Bannau Brycheiniog National Park

Bannau Brycheiniog sits across the sandstone and limestone uplands of South Wales, draining in several directions at once.

The rivers that rise here — the Usk, Tawe, Honddu, Wye, and their tributaries — are classic Welsh spate rivers: quick to rise, quick to clear, and cold enough to hold wild brown trout well into autumn.

Victorian-era reservoir construction added a second layer of fishing entirely, impounding many of those headwater streams into stillwaters that now hold both wild and stocked trout. Llangorse Lake is the park's most distinctive coarse fishery.

At around 400 acres it is the largest natural lake in South Wales, and it carries a serious reputation for pike, particularly once the pleasure boats come off the water in October. Perch run to over 3lb, and there are roach, bream, and eels.

Bank fishing is not permitted; boats and permits are available from Lakeside Boat Hire.

The reservoir fishing centres on waters like Tal-y-bont, a two-mile-long impoundment sitting at around 622 feet elevation on old red sandstone geology — the same formation as the Usk below it.

That geology produces fertile water, and the wild brown trout here average around a pound with fish to 3lb taken most seasons. A catch-and-release policy has been in place in recent years.

The park holds close to 20 lakes in total, most of them fly-fishing venues for brown and rainbow trout. The Afon Wysg (River Usk) is the spine of the river fishing.

It and its tributaries — the Honddu, Grwyne Fawr, and Mynwy among them — carry wild brown trout and, in season, salmon and sea trout. The Afon Tawe and Afon Llwchwr drain the southern and western edges of the park.

The Monmouthshire and Brecon Canal runs through the eastern valleys and holds coarse fish; as a canal it carries no close season for most species under Welsh regulations.

For seasons, Natural Resources Wales sets the framework: brown trout on rivers generally run from 3 March to 30 September, with local variation. Coarse fish on rivers are closed 15 March to 15 June.

Check current NRW byelaws before you go — local variation is real here, and some waters carry their own conditions on top of the national rod licence.

The park doesn't add a separate fishing permit layer, but individual fisheries, clubs, and water authorities control access to most of the named waters. Sort your permissions before you travel rather than on arrival.