Nant Cledlyn is a small upland stream in Snowdonia, North Wales, offering intimate fly fishing in a scenic mountain setting. The river flows through steep-sided valleys with good gradient, providing cold, well-oxygenated water ideal for native Welsh trout. Expect a technical, rewarding experience for experienced anglers in relatively remote terrain.
Nant Cledlyn observes the standard close season: 15 March – 15 June (rivers, England & Wales). Always check local byelaws before your visit. A rod licence alone does not grant access — most stretches require club membership or a day ticket in addition.
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 Cledlyn holds brown trout, sea trout, minnows, bullheads.
An EA rod licence is required by law to fish Nant Cledlyn. Club membership or a day ticket is also required on most stretches.
To fish Nant Cledlyn, 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 Cledlyn.
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 Cledlyn.
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