Spate · Mixed · Welsh Marches / Shropshire

River Severn

River Severn venue image
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Britain's longest river — fly fishing focus is upper and middle reaches from Welsh border (Shrewsbury) to Bridgnorth.

Species

A side-water session, not the main event

Low and clear — careful approach country. Long leader, small flies, slower casts.

75% confidence in this read
Water temperature for brown trout
Cool — slow
7°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
  • Temperature4828% weight
  • Flow6022% weight
  • Clarity9518% weight
  • Feeding Time5013% weight
  • Pressure807% weight
  • Prey Activity2512% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
6.9°C
Estimated
Clarity
Clear
Air temp
10°C
Wind
SW 13 km/h
Gentle breeze
Pressure
1007 hPa
Rain · 48h
0.2 mm
No meaningful rain
Rain · ahead
8.6 mm
Light rain · next 48h

Live readings — water temperature is an estimate where the gauge does not record it.

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
Fair conditions. Clarity is favourable (95), Prey activity is weakest (25).
Through the year
0–3 scale · May 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
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2

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

Gallery · 1
  1. Terrain map of the venue
    Terrain map
Directions
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About this water

Britain's longest river — fly fishing focus is upper and middle reaches from Welsh border (Shrewsbury) to Bridgnorth. A big, powerful spate river; grayling are the primary target (some of the Midlands' best), supplemented by brown trout in upper reaches and recovering salmon runs. The long, even-paced glides are ideal grayling water. Euro/Czech nymphing is most consistent; dry fly works in upper reaches and on calm days. The tributaries (Teme, Onny, Tern, Perry) often offer better trout prospects than the main river. Club and association water with day ticket access.

  • Mixed
Seasons & zones
  • Salmon2 February → 30 September
  • Trout15 March → 30 September

Salmon: Negligible (2026) — Catch-and-release only since 2021. Egg deposition below Conservation Limit in 2024 — stocks critically low.

Other water nearby · 5
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