Llyn Ystumllyn is a scenic upland lake in North Wales offering a peaceful fishing environment surrounded by moorland and mountain scenery. This natural water holds populations of brown trout and is popular with both fly and conventional anglers seeking quality wild trout fishing. The lake's character changes with the seasons, providing varied conditions and a genuine Welsh mountain fishing experience.
The close season on Llyn Ystumllyn runs 15 March – 15 June. Effective methods include Fly, Float, Feeder.
County
Gwynedd
Type
Lake
Access
Free Fishing
Close Season
15 March – 15 June
Best Fishing Methods at Llyn Ystumllyn
Recommended methods for Llyn Ystumllyn include Fly, Float, Feeder. The most effective approach will depend on conditions, season and target species.
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How do I get a permit for Llyn Ystumllyn?+
Fishing at Llyn Ystumllyn is free with a valid Environment Agency rod licence. No day ticket or club membership is required.
When is the close season at Llyn Ystumllyn?+
The close season at Llyn Ystumllyn is 15 March – 15 June. Fishing is not permitted during this period under EA byelaws.
What are the best methods for fishing Llyn Ystumllyn?+
Recommended methods include Fly, Float, Feeder. The most effective approach will vary by season and target species — adjust tactics to conditions on the day.
Do I need a rod licence for Llyn Ystumllyn?+
Yes — all anglers aged 13 and over fishing in England and Wales need a valid Environment Agency rod licence. Buy yours at gov.uk/get-a-fishing-licence before your session.
Planning a Trip to Llyn Ystumllyn
A valid Environment Agency rod licence is required to fish Llyn Ystumllyn — buy yours at gov.uk. No additional permit is required — the water is free to fish with a rod licence.
Located in Gwynedd, Llyn Ystumllyn is a UK stillwater with quality coarse fishing. Check weather and conditions before your visit and always pack out your litter.
