Freestone · Mixed · Clackmannanshire, GB-SCT

River Devon

A winding lowland river, the River Devon in Clackmannanshire, curving through open pasture with autumn trees and wooded hills in the background.

The Devon is the Hillfoots river — it gathers off the southern face of the Ochils and runs along the foot of the hills through Dollar, Tillicoultry and Alva before joining the Forth near Cambus.

Today · Not the day for it
Black Gnat
Forecast · Today
Not the day for it
Not much stacked in your favour today. Worth an hour if you are nearby, not worth the special trip.
45% projected
Today's fly
Black Gnat
Black Gnat
Conditions on the water · Today
Live gauge
Level
Rising
0.66 m
Lifting fast
Water temp13.7°C
ClarityUnfishable
Weather15°C
WindN 22 km/h
Pressure1004 hPa
Rain · recent0.0 mm
Rain · ahead0.1 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Brown Trout
Ideal
14°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Excellent — conditions well-balanced, with water temperature particularly in your favour.
Likely species
Hatch timeline · todayPeak at 12pm

12pm(now) — Heather Fly

Stage: Terrestrials on topApproach: Dry flyActivity: 41%
Also:Daddy Long Legs35%
Peak emergence window10 food groups active

Peak activity at 12pm — Heather Fly (Heather Fly, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 as a supporter.

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14-day free trial. Cancel anytime.

Evidence
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Daddy Long LegsHatch
2
3
2
CapererHatch
2
3
3
2
Hawthorn FlyHatch
2
2
GrannomHatch
2
2

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

Ranked for today
Brown Trout fly box

A balanced Scottish river profile. Early season nymphs and spiders, then more dry-fly and emerger fishing as hatches strengthen on steadier glides and richer water.

What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
  1. A winding lowland river, the River Devon in Clackmannanshire, curving through open pasture with autumn trees and wooded hills in the background.
    Floodplain
  2. Terrain map of the venue
    Terrain map
About this water

The Devon is the Hillfoots river — it gathers off the southern face of the Ochils and runs along the foot of the hills through Dollar, Tillicoultry and Alva before joining the Forth near Cambus. It's a classic little Lowland wild trout stream: fast, rocky in its middle reaches, slower and weedier in the lower part, and holding the kind of wild brown trout that make a short rod and a floating line feel like exactly the right tool. The Devon Angling Association controls most of the fishable water and offers day tickets at sensible prices. Best in April and May on spiders and small wets, then dry fly through the summer when the olives and small stoneflies are coming off. A proper local treasure.

  • Mixed
The full read · show the working · for Brown Trout · confidence 90%
How the 88 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity75 × 12%9.0
Conditions total= 88
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
Related guides
Casting instructors near here
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