Big things coming to FishingBeats

Join the newsletter

Powys

Claerwen Reservoir

From March · £18 · 4 fish, then C&R Season 20 Mar to 17 Oct

  • Day tickets

    Buy a ticket for a single day, with rates and dates further down.

  • Stillwater

    900 acres, bank fishing only.

About Claerwen Reservoir

Claerwen is a 900 acre reservoir in the Claerwen Valley, the largest of the Elan Valley waters. The association describes it as a wild brown trout fishery with natural fish that are never restocked, and it is fly only.

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

Day tickets

Claerwen day permit, 4 fish 4 fish, then C&R · 20 Mar to 17 Oct Fish limit 4, then catch and release; catch and release is also allowed with barbless hooks. Fly only. Season 20 March to 17 October. OAP and disabled anglers pay £18 a day and £65 a season; juniors pay £4 a day or £25 for a season, which covers all the association’s waters. Updated 28 February 2026.
£18 per day

Season and syndicate rods

Claerwen season permit, 4 fish 4 fish, then C&R · 20 Mar to 17 Oct Fish limit 4, then catch and release; catch and release is also allowed with barbless hooks. Fly only. Season 20 March to 17 October. OAP and disabled anglers pay £18 a day and £65 a season; juniors pay £4 a day or £25 for a season, which covers all the association’s waters. Updated 28 February 2026.
£75 per season

Day tickets and booking

Prices by date

October 2026
M
T
W
T
F
S
S
1£18
2£18
3£18
4£18
5£18
6£18
7£18
8£18
9£18
10£18
11£18
12£18
13£18
14£18
15£18
16£18
17£18
18
19
20
21
22
23
24
25
26
27
28
29
30
31
November 2026
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Day rate, hover a day for the ticket

Fishing details

Water type
Stillwater
Size
900 acres
Lake
1
Boat fishing
Bank only

Stocking and fish species

Rules and policies

Catch & release
EA rod licence required
Dogs allowed
Ghillie available
Ghillie required
Season: 20 Mar to 17 Oct

Fishing rules for Claerwen Reservoir

Fly fishing only. A Natural Resources Wales rod licence and an association permit are both needed. Fish limit 4, then catch and release; catch and release is allowed with barbless hooks. Season 20 March to 17 October. The conservation area at the top end of the reservoir is closed to fishing. No boats or float tubes, no camping and no fires. Buying a permit means accepting the association’s risk statement.

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

Claerwen Reservoir FAQs

Practical questions anglers ask before fishing Claerwen Reservoir, from tickets to tactics.

01How many rods are allowed on Claerwen Reservoir at any one time?
The rod limit for Claerwen Reservoir is listed on the beat page — check before booking, as limits vary by season and fishery preference.
02What species can I expect to catch on Claerwen Reservoir?
Claerwen Reservoir holds Brown 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 Claerwen Reservoir 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 Claerwen Reservoir — 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 Claerwen Reservoir 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?
Claerwen Reservoir is fished by fly_only. The fly recommendations section on the Claerwen Reservoir 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 Claerwen Reservoir — 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 Claerwen Reservoir. 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 .

£18 for 4 fish, then C&R

Out of season, from March

Book now from £18

@fishingbeats

From the riverbank

Follow →

Newsletter

Stay in the loop

Exciting new features, fresh beats, season news, and fly fishing tips, straight to your inbox.

By subscribing you agree to receive the FishingBeats newsletter by email. We will send a link to confirm your address first, and you can unsubscribe from any email. See our Privacy Policy.