Stillwater · Ordovician Volcanics · Wales / Snowdonia (Blaenau Ffestiniog uplands), GB-WLS

Llyn Dubach y Bont

Snow-covered upland lake (Llyn Dubach y Bont) in Snowdonia with open water reflecting a partly cloudy sky.

Small, unassuming, and easy to confuse with its distant cousin — this isn't the Llynoedd Dubach a few miles off, just a modest wild brown trout water doing its quiet job in the Ffestiniog uplands.

Fair · Trout
Marabou Damsel · 8-12
Fairlive now
Good drifting conditions on Llyn Dubach y Bont
Good wave on — drift country. A useful wave. Work the productive shore.
60% confidence

Llyn Dubach y Bont is often best in spring through autumn.

What moved it
  • WindN 9 km/hLight breeze
Today's fly
Marabou Damsel
Marabou Damsel8-12
Retrieve, sub-surface
Conditions on the water
Live gauge
Wind
Light breeze
N 9 km/h
N
N
from the north
WaveRipple
Water temp
Air temp11°C
CloudClear
Pressure1021 hPa
Rain · recent0.0 mm

Some readings unavailable — check directly before fishing.

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

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

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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
Daddy Long LegsHatch
2
3
2
Murrough (Great Red Sedge)Hatch
2
3
2
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Lake OliveHatch
1
2
2
2
2
2
1

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 Cambrian Angling AssociationAccess varies
Small, easily-reached wild brown trout llyn in the Ffestiniog uplands, distinct from the separate Llynoedd Dubach a few miles west; covered by the Cambrian AA's single day ticket across the whole llyn portfolio.
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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. Snow-covered upland lake (Llyn Dubach y Bont) in Snowdonia with open water reflecting a partly cloudy sky.
    Ice on Llyn Dubach y Bont
  2. Terrain map of the venue
    Terrain map
About this water

Small, unassuming, and easy to confuse with its distant cousin — this isn't the Llynoedd Dubach a few miles off, just a modest wild brown trout water doing its quiet job in the Ffestiniog uplands. There's nothing here that will make the club newsletter, no record fish or engineering history, just honest water holding honest trout at a scale that suits an evening rather than a full day. Worth adding to a round with Morwynion or Manod rather than fishing on its own — the walk-in is short enough that it earns its place as a second stop, not a headline destination.

  • Lake
  • Ordovician volcanics
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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