FishMap
UK fishing venue · Gwynedd

Llyn Trawsfynydd

Large Eryri reservoir known for brown and rainbow trout alongside pike, perch and rudd.

Day ticket / visitor permitPrecisely mapped water5 recorded species
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Venue information

Location
Trawsfynydd, Eryri
Address
Llyn Trawsfynydd, Trawsfynydd, Gwynedd
Access
Local fishery permit required
Operator
Prysor Angling / Eryri fishing
Ticket information
Current visitor/day-ticket price not reliably published in FishMap — check the operator before travelling.

Map position

Precisely mapped water52.91000, -3.94194

FishMap has classified this marker using the available location evidence.

Official venue website ↗View mapped position on OpenStreetMap ↗

Recorded fish species

FishMap lists the following species for this location. Seasonal peaks are planning indices rather than live catch rates or guarantees.

Access and fishing rules

Permit required. Check Prysor/local fishery rules for allowed methods, pike rules, season and current access.

More fishing in Gwynedd

Llyn Tegid / Bala LakeBala, EryriLlyn DywarchenRhyd Ddu, EryriLlyn CwellynRhyd Ddu, EryriLlyn PadarnLlanberis, Eryri

Own or manage Llyn Trawsfynydd?

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Venue information can change. Confirm access, prices, opening times and rules with the operator or rights holder before travelling. FishMap’s seasonal guidance does not guarantee a catch.