Freestone · Mixed · Perthshire, GB-SCT

River Lyon

The River Lyon winding past trees and green fields, with the hills of Glen Lyon rising on either side.
Fair · Atlantic Salmon
Fairlive now
Decent — worth a look
River lifting fast on the rain. Wait for the rise to peak before settling on a beat.
75% confidence
What moved it
  • Level0.44 mLifting fast
  • Water temp15.2°C
  • ClarityVery colouredColouring up
Conditions on the water
Live gauge
Level
Rising
0.44 m
Lifting fast
Water temp15.2°C
ClarityVery coloured
Weather14°C
WindW 10 km/h
Pressure1018 hPa
Rain · recent0.6 mm
Rain · ahead7.1 mm

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

Water temperature for Atlantic Salmon
Warm — slow
15°C est.ideal 10–14°C
0°14°28°
How to fish it · for Atlantic Salmon
When
Morning into early afternoon.
Where
Pool tails, steadier runs, and any water with pace.
Method
Fish a sensible line-and-fly combination for the height and pace of water.
Kit
13 ft #8/9 double-hander in spate, 10 ft #8 single in low water. Floating line plus a fast-sink tip. 12–15 lb fluoro tippet.
Why this works
Fair conditions based on river hydrology and migration patterns.
Likely species
Mayflies
  • Blue-winged oliveMost likely
    #16–18 · Dun
    Duns are up; a sherry spinner fall may follow.
  • Anglers curse mayfliesAlso possibleLower confidence
    #20–22 · Spinner
    Go tiny: 20-22 spent spinner, single fly, long tippet.
Hatch timeline · todayPeak at 6am

Hatch predictions

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Sub-surface · on the nymphunder the surface

Hatch predictions

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Beyond the hatch · worth watchingambient prey

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Evidence
Survey-backed · regionalHigh confidence

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

Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Salmon runRun
1
2
2
2
2
2
2
2
2
1
Daddy Long LegsHatch
2
3
2
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1

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

What's coming
Plan ahead
5-day outlook
Fishing better nearby · 5
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65
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Tay
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29
Brown trout · Salmon · Sea trout
River Tummel
18 km
Atlantic salmon · Brown trout · Grayling
River Garry (Tayside)
19 km
Brown trout · Atlantic salmon · Sea trout
Allan Water
43 km
Brown trout
Gallery · 2
  1. The River Lyon winding past trees and green fields, with the hills of Glen Lyon rising on either side.
    Cycling the glen beside River Lyon
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown

SEPA (Scotland) · UKSC006639

The full read · show the working · for Atlantic Salmon · confidence 75%
How the river scores — hydrology factors
Water heightMedium Ideal0.0
Recent riseNone0.0
Falling after liftNot Applicable0.0
Water temperatureCool To Moderate0.0
Time in seasonOpening Period0.0
ClarityClearing0.0
Hydrology base0.0
Legal gate: Unknown Check Local Rules
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Salmon 15 January → 15 October

Sea trout: Variable seasonal (2026)

Related guides
Scotland Playbookloch & river fishingAtlantic Salmonsalmon tacticsYorkshire & SpidersNorth Country methods
Casting instructors near here
Booking & contacts