Stillwater · Silurian Mudstone Shale · Wales / Cambrian Mountains (Teifi headwaters, above Tregaron), GB-WLS

Llyn Teifi

Wide view of Llyn Teifi, an upland reservoir lake in the Cambrian Mountains, Wales, with grassy moorland hills surrounding the water and a dam visible in the background.
Fair · Trout
Minkie · 6-10
Fairlive now
Good drifting conditions on Llyn Teifi
Good wave on — drift country. A useful wave. Work the productive shore.
55% confidence

Llyn Teifi is often best in spring through autumn.

What moved it
  • WindNW 6 km/hCalm · Gusts to 12 km/h
Today's fly
Minkie
Minkie6-10
Retrieve, sub-surface
Conditions on the water
Estimate
Wind
Calm · Gusts to 12 km/h
NW 6 km/h
N
NW
from the north-west
WaveRipple
Water temp9.4°C
Air temp13°C
CloudOvercast
Pressure1016 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
Late April–June; evening rises through summer
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.
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.

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

Keep an eye on changing conditions — wind shifts and cloud breaks can trigger short feeding spells.

Bank

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

Sub-surface · on the nymphunder the surface

Hatch predictions

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 5 as a supporter.

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Through the year
0–3 scale · October 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
Fly box · Trout
Bays & launches · 1
Day ticket via Tregaron Angling Association (Teifi Pools)Access varies
Source lake of the River Teifi, part of the Teifi Pools group above Tregaron.
Visit official site ↗
What's coming
Plan ahead
5-day outlook
Condition match
73%
Cloud50%
Wind100%
Temp60%

A good match for Llyn Teifi — most conditions are close to what it fishes best in.

Other water nearby · 5
Llyn Egnant
1.0 km
Brown trout
Llyn Hir
1.0 km
Brown trout
Llyn Gynon
3.0 km
Brown trout
Llynoedd Cerrig Llwyddion
6.0 km
Brown trout
Llyn Frongoch
10 km
Brown trout · Rainbow trout
Gallery · 2
  1. Wide view of Llyn Teifi, an upland reservoir lake in the Cambrian Mountains, Wales, with grassy moorland hills surrounding the water and a dam visible in the background.
    Llyn Teifi
  2. Terrain map of the venue
    Terrain map
Why this score
  • Wind conditions (ripple) closely match what this water fishes best in.
  • Buzzer is in its seasonal window, boosting the chance of targeted feeding.
Related guides
Scotland Playbookloch & river fishingThermal Layers & Troutreading depth and temperatureEuro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts
Boards & regulators