Stillwater · Silurian Mudstone Shale · Wales / Cambrian Mountains (Ceredigion/Powys border, above Talybont), GB-WLS

Llyn Penrhaeadr

Llyn Penrhaeadr, a small upland lake ringed by moorland and forestry in the Cambrian Mountains above Talybont.

Penrhaeadr — the name nods to a waterfall somewhere in its plumbing — carries wild brown trout and a resident population of perch, which is unusual enough among these Talybont lakes to be worth mentioning.

Fair · Trout
Minkie · 6-10
Fairlive now
Sedge evening rise expected on Llyn Penrhaeadr
Good wave on — drift country. A useful wave. Work the productive shore.
64% confidence

Llyn Penrhaeadr is often best in spring through autumn.

What moved it
  • WindNW 7 km/hLight breeze
Today's fly
Minkie
Minkie6-10
Retrieve, sub-surface
Conditions on the water
Estimate
Wind
Light breeze
NW 7 km/h
N
NW
from the north-west
WaveRipple
Water temp
Air temp11°C
CloudClear
Pressure1026 hPa
Rain · recent0.0 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

How to fish it · for Trout
When
The sedge is on. Daddy Longlegs may also come into play as the day warms. The ripple is helpful — fish should move onto the feed and a slow-drifted team or single wet will cover water well.
Where
Set up a broadside drift and cover the water systematically. Work a bushy searching pattern on the bob and drop a contrasting nymph on the point. Keep a sedge-style dry or emerger on a short leader for the evening rise. In the ripple, a bushy searching dry (Hopper, Shipman's, Elk Hair Caddis) outperforms flush emergers — it stays visible and holds the surface tension.
The plan
Plan A

Set up a broadside drift and cover the water systematically. Work a bushy searching pattern on the bob and drop a contrasting nymph on the point. Keep a sedge-style dry or emerger on a short leader for the evening rise. In the ripple, a bushy searching dry (Hopper, Shipman's, Elk Hair Caddis) outperforms flush emergers — it stays visible and holds the surface tension.

Plan B

If the main plan is not working, switch to a smaller, more imitative pattern fished slower and deeper. A change of drift angle can also make a difference.

Watch for

Evening tends to be the best period in summer — stay late if you can for a sedge or spinner fall.

Bank

Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 4 guilds with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 5 with Pro.

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Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Heather FlyHatch
2
2
Daddy Long LegsHatch
2
3
2
Claret DunHatch
2
3
2
Murrough (Great Red Sedge)Hatch
2
3
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Trout fly box
Bays & launches · 1
Day ticket via Talybont Angling AssociationAccess varies
Hill lake above Talybont with wild brown trout and resident perch, fly only.
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What's coming
Plan ahead
5-day outlook
Condition match
66%
Cloud25%
Wind100%
Temp60%

A reasonable day here, though cloud isn't quite in the sweet spot.

Other water nearby · 5
Gallery · 2
  1. Llyn Penrhaeadr, a small upland lake ringed by moorland and forestry in the Cambrian Mountains above Talybont.
    Llyn Penrhaeadr
  2. Terrain map of the venue
    Terrain map
About this water

Penrhaeadr — the name nods to a waterfall somewhere in its plumbing — carries wild brown trout and a resident population of perch, which is unusual enough among these Talybont lakes to be worth mentioning. The perch won't trouble anyone chasing trout on a floating line, but they're there if you fancy a change of target on a slow afternoon. Otherwise it behaves like its stablemates: fly water, day ticket from the garage or pub in the village, April through September, and a walk-in that keeps the crowds away. Nobody's writing guidebooks about Penrhaeadr. That's rather the point of fishing it.

  • Lake
  • Silurian mudstone shale
Why this score
  • Wind conditions (ripple) closely match what this water fishes best in.
  • Sedge is in its seasonal window, boosting the chance of targeted feeding.
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