Llyn Tryweryn is a scenic upland reservoir in Snowdonia, North Wales, offering a peaceful fishing experience in a dramatic mountain setting. The lake holds a good population of brown trout and is well-regarded for fly fishing enthusiasts seeking quality sport in natural surroundings. The cold, clean water and moorland landscape make it an attractive destination for anglers looking to combine fishing with outdoor scenery.
The close season on Llyn Tryweryn runs 15 March – 15 June. Effective methods include Fly, Float, Lure.
County
Gwynedd
Type
Lake
Access
Free Fishing
Close Season
15 March – 15 June
Best Fishing Methods at Llyn Tryweryn
Recommended methods for Llyn Tryweryn include Fly, Float, Lure. The most effective approach will depend on conditions, season and target species.
FlyFloatLure
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How do I get a permit for Llyn Tryweryn?+
Fishing at Llyn Tryweryn is free with a valid Environment Agency rod licence. No day ticket or club membership is required.
When is the close season at Llyn Tryweryn?+
The close season at Llyn Tryweryn is 15 March – 15 June. Fishing is not permitted during this period under EA byelaws.
What are the best methods for fishing Llyn Tryweryn?+
Recommended methods include Fly, Float, Lure. 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 Tryweryn?+
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 Tryweryn
A valid Environment Agency rod licence is required to fish Llyn Tryweryn — buy yours at gov.uk. No additional permit is required — the water is free to fish with a rod licence.
Located in Gwynedd, Llyn Tryweryn is a UK stillwater with quality coarse fishing. Check weather and conditions before your visit and always pack out your litter.
