Beacons Reservoir
Reservoir · Fresh water · in Inland Wales
A small wilderness reservoir at the head of the Taff valley in the Brecon Beacons, mainly a wild brown trout water with a few large rainbows left from earlier stocking; bank fishing only.
Safety: cold water shock — can cause serious injury or death (general advice, not specific to this place).
FishingHQ describes what this place is, not whether you may fish it. Access, permits and who to ask.
What you can catch here
Documented at this place, grouped by how you would be fishing, with how strongly the sources support each one. This is what has been written down, not a forecast, and being listed is never permission to fish.
From the shore · 1
What these strengths mean
- Characteristic of this water
- This water is strongly identified with this species by the sources that cover it.
- How breadth is counted
- A fish documented at six marks is shown as six marks: breadth never raises the strength on its own. A fishery account describes the fishing; a recorded catch reports one specific catch. How evidence is weighed.
Fish documented nearby, not here
Nothing below has been documented at Beacons Reservoir itself. Each one has been documented at a named place on the same ground, and the places are listed with it. Treat this as what the water around here holds rather than as a catch list for this mark.
Also documented at neighbouring places
One or two accounts each, on the ground around here. Enough to know the fish is caught in these waters; not enough to say anything about this place.
From the shore
- Rainbow trout — documented at Usk Reservoir; Llwyn-onn Reservoir
How people fish it
Practised here: Fly fishing.
Methods the sources name for this ground. Each one is explained in full on its own page.
- Stillwater fly fishing
Fly fishing without current, where the angler supplies every movement and the problem becomes finding fish rather than presenting to them.
Baits and lures for these fish
The baits and lures each of the fish above is commonly taken on, from that fish’s own page. This is what works for the fish, not a report of what people use on this particular water — local knowledge and the conditions on the day still decide.
Baits
- Maggots — for Brown trout
Lures
- Dry flies — for Brown trout
- Nymphs — for Brown trout
- Streamers — for Brown trout
- Terrestrial fly patterns — for Brown trout
- Wet flies — for Brown trout
How to catch them: Brown trout fishing
The ground and the water
- The ground
- A small wilderness reservoir at the head of the Taff valley in the Brecon Beacons, mainly a wild brown trout water with a few large rainbows left from earlier stocking; bank fishing only.
Getting there
What public sources describe, last checked 2026-10-23. Car parks fill, services change and a path existing is not a path anybody may use — none of this is a guarantee of availability and none of it is permission to be anywhere.
- Getting to it
- At the head of the Taff valley beside the A470 north of Merthyr Tydfil. Tickets are sold through the Wye & Usk Foundation's Fishing Passport; buy before fishing. The page gives no parking.
Where this access information comes from
- Beacons Reservoir — The Wye & Usk Foundation (Fishing Passport) (Angling or fisheries organisation)Relied on for: The ticket route and the fishing rules.States this directlyPassage read and verified
Through the year
The ticket page gives the 2026 opening as 20 March.
Safety
Cold water shock — Can cause serious injury or death
General safety for this kind of ground, not a finding about this place.
Water around these islands stays cold enough all year to trigger cold water shock — involuntary gasping and hyperventilation on sudden immersion, which can cause somebody to inhale water in the first seconds regardless of swimming ability.
What reduces it: Wear a buoyancy aid where immersion is credible. If immersed, float on your back until the initial response passes rather than trying to swim immediately.
Rules and access
Licence
A rod licence is required for freshwater rod fishing in Wales — the same licence as England's, bought through GOV.UK. Natural Resources Wales regulates the fisheries.
Permission to fish
Separate. Fishing rights are held by clubs, associations, riparian owners or navigation authorities, and the licence does not grant access to any water.
Particular to this water: The ticket page, read on 23 October 2026: fly fishing only, from the bank only; no boats are available or allowed. No fishing before 8 am. Every brown trout must be returned alive. Opens 20 March 2026.
Beyond what is stated above, FishingHQ does not know the current access position here. Freshwater rod fishing in Wales requires a current rod licence AND separate permission from whoever controls the fishing, which is frequently a club, riparian owner or navigation authority rather than a public body. Close seasons, byelaws and local rules apply and change. Check with Natural Resources Wales and with the controlling club or owner before going.
Who holds the answer:
- Natural Resources Wales, for close seasons, byelaws and fisheries regulation in Wales; the rod licence is the England and Wales one, bought through GOV.UK.
- The club, association or riparian owner that controls the fishing.
- Natural Resources Wales, for close seasons, method restrictions and fisheries regulation in Wales.
- GOV.UK, through which the England and Wales rod licence is bought.
- Dŵr Cymru Welsh Water, which owns the reservoirs it opens to anglers, and the fishery that sells each one's ticket.
- The club, association or owner that controls the fishing on a river.
- Dŵr Cymru Welsh Water, which owns the reservoir; the ticket is sold by the fishery named on this page, and an England and Wales rod licence is needed as well.
Nearby fishing
Other publicly documented places within about 40 km, by distance. Positions are approximate public geography and are never exact marks.
- Llwyn-onn Reservoir — 5–10 km · Reservoir
- Talybont Reservoir — 10–25 km · Reservoir
- Usk Reservoir — 10–25 km · Reservoir
- The Usk at Abergavenny — 25–40 km · River reach
- The Towy at Llandeilo — 25–40 km · River reach
- Aberavon Sands — 25–40 km · Surf beach
- Llandegfedd Reservoir — 25–40 km · Reservoir
Sources for this place
- Beacons Reservoir — The Wye & Usk Foundation (Fishing Passport) (Angling or fisheries organisation)Relied on for: The reservoir's fish, rules and ticket route this season.States this directlyPassage read and verified
- Fishing the Reservoirs of Wales: Your Guide — Dŵr Cymru Welsh Water (Local authority, harbour or protected-area body)Relied on for: That Dŵr Cymru Welsh Water owns this reservoir and opens it to anglers.States this directlyPassage read and verified
- Buy a rod fishing licence — GOV.UK (Environment Agency and Natural Resources Wales) (Government fisheries body)Relied on for: That a rod licence, bought through GOV.UK, is needed to fish in Wales from age 13.States this directlyPassage read and verified
How FishingHQ labels evidence is explained in the evidence policy. Last reviewed 2026-10-23.
Something wrong or out of date?
If something on this page has changed, email us from your own account using the link that fits, with a link to where you saw the change if you can. Every report is checked by a person before anything is changed, and a report never appears on the site by itself. Please don’t send exact private marks.
Before you go
- Fish documented here
- 1 at this place itself. See them.
- Getting there
- Described from public sources, last checked 2026-10-23. Getting there.
- Rules particular to this water
- The ticket page, read on 23 October 2026: fly fishing only, from the bank only; no boats are available or allowed. No fishing before 8 am. Every brown trout must be returned alive. Opens 20 March 2026. Dated: The Wye & Usk Foundation (Fishing Passport) and Dŵr Cymru Welsh Water and GOV.UK (Environment Agency and Natural Resources Wales). Whether it still applies is not established. Applies to: Beacons Reservoir.
Nothing here is watched for change. Sources and who to ask.
- Hazards particular to this place
- None recorded for this place; the hazards of the wider coast or water still apply.
Check before you travel
- Whether you may fish here, and whether a licence or permit is needed — start with Natural Resources Wales.
- Who holds the fishing right on the water you mean to fish.
- Anything recorded here was true when it was read; it is not watched for change.