Llyn Du'r Arddu is a remote, high-altitude mountain lake situated in Snowdonia, Wales, offering a wild and challenging fishing experience in stunning natural scenery. The lake holds populations of wild brown trout and char, making it a destination for enthusiasts seeking adventure and solitude. Its exposed location and often difficult access mean this is a water for experienced anglers prepared for unpredictable conditions.
The close season on Llyn Du'r Arddu runs 15 March – 15 June. Effective methods include Fly, Nymph.
County
Gwynedd
Type
Lake
Access
Free Fishing
Close Season
15 March – 15 June
Best Fishing Methods at Llyn Du'r Arddu
Recommended methods for Llyn Du'r Arddu include Fly, Nymph. The most effective approach will depend on conditions, season and target species.
FlyNymph
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How do I get a permit for Llyn Du'r Arddu?+
Fishing at Llyn Du'r Arddu is free with a valid Environment Agency rod licence. No day ticket or club membership is required.
When is the close season at Llyn Du'r Arddu?+
The close season at Llyn Du'r Arddu is 15 March – 15 June. Fishing is not permitted during this period under EA byelaws.
What are the best methods for fishing Llyn Du'r Arddu?+
Recommended methods include Fly, Nymph. 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 Du'r Arddu?+
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 Du'r Arddu
A valid Environment Agency rod licence is required to fish Llyn Du'r Arddu — buy yours at gov.uk. No additional permit is required — the water is free to fish with a rod licence.
Located in Gwynedd, Llyn Du'r Arddu is a UK stillwater with quality coarse fishing. Check weather and conditions before your visit and always pack out your litter.