Gwynedd

Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen

£25 today Up to 10 rods Season 1 Apr to 30 Nov

Passport scheme
Check the booking details below before you travel.
Stillwater
Boat fishing available.

About Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen

Giraldus wrote of Llyn y Dywarchen in AD 1188. It is the society’s stocked water, with quality fishing for rainbow trout reared at its own hatchery on the River Seiont at Llanrug. The fish range from 1.8lb to 5lb. It is fly fishing only, and the Passport calls boat fishing here a delight. There is an island in the middle of the lake.

How you can fish here

Methods: Fly Only

Pricing and season

Indicative prices. They don't show whether a day is still free and other rates may apply, so confirm availability and the final price with whoever you book through before you travel.

Tickets

Trout full day ticket Day ticket · 1 Apr to 30 Nov Up to 10 tickets a day.: £25 per day
Trout weekly ticket Day ticket · 1 Apr to 30 Nov Valid for 7 days. Up to 10 tickets a day.: £90 per week

Day tickets and booking

FP

The Fishing Passport Day tickets

Day tickets

Full day ticket £25 and weekly ticket £90 on the Passport’s booking page on 28 October 2026, up to 10 tickets a day. One ticket covers every Seiont, Gwyrfai and Llyfni Fishing Society beat on the Passport. Booked through the Fishing Passport.
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SG

Seiont, Gwyrfai and Llyfni Fishing Society Day tickets

Day tickets

Seiont, Gwyrfai and Llyfni Society water. Day tickets are sold through the Fishing Passport, and the society sells its own season licences.
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Prices by date

October 2026

1£25

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November 2026

1£25

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Day rate, hover a day for the ticket

Fishing details

Rods: Up to 10
Water type: Stillwater
Lake: 1
Boat fishing: Available

Stocking and fish species

none stocking · The society’s stocked water, with rainbow trout reared at its own hatchery on the River Seiont at Llanrug, per the Passport page.

Rainbow Trout

Rules and policies

Catch & release

EA rod licence required

Dogs allowed

Ghillie available

Ghillie required

Season: 1 Apr to 30 Nov

Fishing rules for Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen

Fly fishing only. Prawn fishing is prohibited. Fish caught on society waters may not be sold. No dogs. National byelaws apply.

Where you'll fish

Location

Approximate location

Exact location is hidden at the owner's request..

FishingBeats is an independent guide with no affiliation to the fisheries we list. Listings are editorial and unpaid, and are not supplied or approved by the fishery. See our listings policy. Listing details are compiled by FishingBeats and may change or contain mistakes. Some services, such as tuition, ghillies, or accommodation, may only apply to certain packages and not to standard day tickets. Always confirm pricing, fishing details, and what is included directly with the beat before you book. Spotted something wrong? Email hello@fishingbeats.com and we will correct it.

FAQ

Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen FAQs

Practical questions anglers ask before fishing Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen, from tickets to tactics.

01How many rods are allowed on Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen at any one time?

Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen allows a maximum of 10 rods at any one time.

02What species can I expect to catch on Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen?

Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen holds Rainbow Trout. The water is unstocked, relying entirely on the wild population.

03Do I need to wade, or can I fish from the bank?

Wading arrangements for Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen are listed on the beat page — contact the provider if you need to confirm before arriving.

04Is a ghillie available, and do I need one?

No ghillie service is listed for Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen — contact the provider directly if you'd like informal guidance on your first visit.

05Where do I park, and how do I access the beat?

Parking details for Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen are shown on the beat page, including a map pin where one is provided. Always confirm access arrangements with the provider when you book.

06What tackle should I bring?

Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen is fished by fly_only. The fly recommendations section on the Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen page suggests the most effective patterns month by month.

07What happens if conditions are poor on the day I've booked?

River conditions can change quickly, especially after rain. Contact the provider as early as possible if you're concerned about Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen — many are happy to offer an alternative date if the river is unfishable. Cancellation and rescheduling policies vary by provider; check the notes on the booking page or ask when you book.

08Are dogs allowed on the beat?

Dogs are not listed as permitted on Seiont, Gwyrfai and Llyfni Fishing Society, Llyn y Dywarchen. Check the Beat Rules section on the page or contact the provider before bringing a dog, as policies can vary by season and stretch of the .