Llyn Treflesg is a small upland lake situated in the heart of Welsh countryside, offering a peaceful fishing experience for those seeking pike and perch in a scenic setting. The lake has a somewhat rugged character with reasonable depths and marginal vegetation that provides good habitat for predatory fish. This is an intimate water that rewards patient anglers with knowledge of predator behaviour and ground conditions.
The close season on Llyn Treflesg runs 15 March – 15 June. Effective methods include Lure, Pike fishing, Spinning.
County
Ynys Môn / Isle of Anglesey
Type
Lake
Access
Free Fishing
Close Season
15 March – 15 June
Best Fishing Methods at Llyn Treflesg
Recommended methods for Llyn Treflesg include Lure, Pike fishing, Spinning. The most effective approach will depend on conditions, season and target species.
LurePike fishingSpinning
Interactive Map
Find UK lakes, canals, rivers and French public waters
Filter by species, access type, water quality and fishing status. View Llyn Treflesg and 190+ UK stillwaters on the map.
Species information for this water is available to PiscaMaps members.
How do I get a permit for Llyn Treflesg?+
Fishing at Llyn Treflesg is free with a valid Environment Agency rod licence. No day ticket or club membership is required.
When is the close season at Llyn Treflesg?+
The close season at Llyn Treflesg is 15 March – 15 June. Fishing is not permitted during this period under EA byelaws.
What are the best methods for fishing Llyn Treflesg?+
Recommended methods include Lure, Pike fishing, Spinning. 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 Treflesg?+
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 Treflesg
A valid Environment Agency rod licence is required to fish Llyn Treflesg — buy yours at gov.uk. No additional permit is required — the water is free to fish with a rod licence.
Located in Ynys Môn / Isle of Anglesey, Llyn Treflesg is a UK stillwater with quality coarse fishing. Check weather and conditions before your visit and always pack out your litter.
