Stillwater · Clay · South West / Devon

Simpson Valley Coarse & Trout Fishery

Simpson Valley Coarse & Trout Fishery terrain map

Multi-lake complex near Holsworthy on the Devon/Cornwall border with four coarse lakes and two trout lakes; the 'Jenny Wren' is the TroutMaster fly lake (rainbow, brown and blue trout to specimen size), while the wider venue is coarse and mixed-method.

Fair · Rainbow
Buzzer · 12-14
Fairlive now
Reasonable summer fishing likely at Simpson Valley Coarse & Trout Fishery
Water temperature is the limiting factor today, not the wave. Fish dawn or dusk if you go at all, and handle everything with extra care.
56% confidence

Simpson Valley Coarse & Trout Fishery is often best in spring through autumn.

What moved it
  • WindNW 14 km/hGentle breeze
Today's fly
Buzzer
Buzzer12-14
Washing-line, in the film
Conditions on the water
Live gauge
Wind
Gentle breeze
NW 14 km/h
N
NW
from the north-west
Wave20 cm ripple
Water temp
Air temp24°C
CloudBroken
Pressure1021 hPa
Rain · recent0.0 mm

Some readings unavailable — check directly before fishing.

How to fish it · for Rainbow
When
Conditions are not ideal but fishable at Simpson Valley Coarse & Trout Fishery. The ripple should help fish move and feed more confidently. Very warm conditions — trout have a narrower safe zone of cool, oxygen-rich water. Fish only at first light or last light, use barbless hooks, keep fish in the water during release, and stop if fish struggle to recover. Early morning is often the most productive window in summer — make the most of it.
Where
Start with Diawl Bach (12-14) — on the bob / top dropper — slow figure-of-eight retrieve. Rainbows respond to more active retrieves — try short strips between pauses. If that does not produce, switch depth or speed before changing the pattern entirely.
The plan
Plan A

Start with Diawl Bach (12-14) — on the bob / top dropper — slow figure-of-eight retrieve. Rainbows respond to more active retrieves — try short strips between pauses. If that does not produce, switch depth or speed before changing the pattern entirely.

Plan B

Fish early and late, try deeper during the heat of the day with a fast-sinking line.

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

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Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
1
Daphnia SwarmHatch
2
3
3
3
2
Daddy Long LegsHatch
2
3
2
Lake OliveHatch
2
3
3
3
3
3
2
Silverhorns & LonghornsHatch
1
2
2
2
1

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

Ranked for today
Rainbow fly box
What's coming
Plan ahead
5-day outlook
Condition match
64%
Cloud100%
Wind65%
Temp25%

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

Other water nearby · 5
About this water

Multi-lake complex near Holsworthy on the Devon/Cornwall border with four coarse lakes and two trout lakes; the 'Jenny Wren' is the TroutMaster fly lake (rainbow, brown and blue trout to specimen size), while the wider venue is coarse and mixed-method.

  • Fishery
  • Clay
Why this score
  • Cloud cover (cloud) suits the fishery well.
Directions
Seasons & zones
  • Trout 1 April30 September
Related guides
Casting instructors near here
Booking & contacts
Permits & access