Nant Fyllon is a small upland stream in Wales, typical of the region's fast-flowing mountain watercourses. The river offers intimate fishing in a beautiful landscape, with pockets of deeper water and rocky runs that hold trout in clearer sections. The short length makes it ideal for an evening session exploring its varied habitat.
The statutory close season on Nant Fyllon runs 15 March – 15 June (rivers, England & Wales). No coarse fishing is permitted during this period. Beyond the rod licence, fishing rights on Nant Fyllon are typically held by local angling clubs — check with the relevant club or day ticket provider before visiting.
Water level data from the Environment Agency Real Time Flood Monitoring API. Nearest gauging station. Always verify conditions on arrival.
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Nant Fyllon holds brown trout, sea trout, grayling.
An EA rod licence is required by law to fish Nant Fyllon. Club membership or a day ticket is also required on most stretches.
To fish Nant Fyllon, you need a valid EA rod licence, available online from gov.uk. Annual, day and 8-day licences are available. In addition to the rod licence, you will need club membership or a day ticket from the controlling angling club or riparian owner for most stretches of Nant Fyllon.
Always check conditions before you visit. Water quality, access and rules can change seasonally. The EA's Catchment Data Explorer provides up-to-date water quality information for Nant Fyllon.
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