Spate · Mixed · Cornwall / Devon border

River Inny

The River Inny, a large tributary of the River Tamar, flowing beneath Bealsmill Bridge in Cornwall.
Marginal · Atlantic Salmon
Willie Gunn · tube / double
Marginallive now
Marginal — persistence required
Low and clear — careful approach country. Hard going on bright water. Favour cloud and shadow.
80% confidence
What moved it
  • Level0.32 mLast reading 2h ago
  • Water temp18.7°C
  • ClarityClear
Today's fly
Willie Gunn
Willie Gunntube / double
Regional salmon default — river-specific evidence is thin.
Conditions on the water
Live gauge
Level
Steady
0.32 m
Last reading 2h ago
Water temp18.7°C
ClarityClear
Weather17°C
WindN 23 km/h
Pressure1019 hPa
Rain · recent0.0 mm
Rain · ahead0.0 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
19°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
Water at 18.7°C — above the atlantic salmon caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
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
1
Trout seasonSeason
1
2
2
2
2
2
1
Daddy Long LegsHatch
2
3
2
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2

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

Ranked for today
Atlantic Salmon fly box
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 19°C — probably warm enough to stress Atlantic Salmon . These are likely cooler.
River Tavy
15 km
~19°C
Brown trout · Salmon · Sea trout
Gallery · 2
  1. The River Inny, a large tributary of the River Tamar, flowing beneath Bealsmill Bridge in Cornwall.
    The River Inny seen from Bealsmill Bridge, Cornwall.
  2. Terrain map of the venue
    Terrain map
Why this score · for Atlantic Salmon
  • Temperature1730% weight
  • Flow6025% weight
  • Clarity9520% weight
  • Feeding Time1015% weight
  • Pressure8510% weight
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Salmon 1 March → 14 October
  • Trout 15 March → 30 September

Sea trout: Variable seasonal (2026)

Related guides
Atlantic Salmonsalmon tacticsYorkshire & SpidersNorth Country methodsTrout Near Londonaccess guide
Casting instructors near here
Booking & contacts