Freestone · Mixed · Cumbria / Hadrian's Wall country (Eden tributary), GB-ENG

River Irthing

River Irthing venue image

A flashy Pennine-fringe tributary of the Eden, rising on the peat mosses of Spadeadam Waste on the Cumbria–Northumberland border and cutting west through Hadrian's Wall country — past the Roman fort at Birdoswald and the gorge at Gilsland — before easing down through Brampton to join the Eden near Warwick Bridge.

Prime · Brown Trout
Partridge and Orange · 14-16
Primelive now
About as good as it gets
River steady at a fishable height. On the feed top to bottom — start on the rises with a dry, drop a nymph if they stay down.
75% confidence
What moved it
  • LevelProxyvia River Eden
  • Water temp10.5°C
  • ClarityClear
Today's fly
Partridge and Orange
Partridge and Orange14-16
Upstream, in the film
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via River Eden
Water temp10.5°C
ClarityClear
Weather11°C
WindSW 23 km/h
Pressure1006 hPa
Rain · recent9.8 mm
Rain · ahead2.2 mm

No gauge on this water — conditions are inferred from River Eden. The trend transfers, the absolute level does not.

Water temperature for Brown Trout
Ideal
11°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 — water temperature is right today, though time of day could be better.
Likely species
Caddisflies
Hatch timeline · todayPeak at 6am

Hatch predictions

Today's headline hatch shown — see all 12 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 with Pro.

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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 · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Grayling seasonSeason
2
2
1
1
2
2
2
2
2
2
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

Spider-heavy and practical. Strong tradition of North Country soft hackles, useful nymphing, and simple dry flies when fish rise properly.

Permits & access
Permit required — see local rules.
  • Brampton AA association water; grayling access sold from 1 October (statutory season opens 16 June)
  • Confirm current association rules for methods, day tickets and beats before travelling.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
River Eden
11 km
Brown trout · Grayling · Salmon
Border Esk
30 km
Brown trout · Salmon · Sea trout
River Eamont
37 km
Brown trout · Grayling
Annan
38 km
Brown trout · Salmon · Sea trout
River Tyne
41 km
Brown trout · Salmon · Sea trout
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

A flashy Pennine-fringe tributary of the Eden, rising on the peat mosses of Spadeadam Waste on the Cumbria–Northumberland border and cutting west through Hadrian's Wall country — past the Roman fort at Birdoswald and the gorge at Gilsland — before easing down through Brampton to join the Eden near Warwick Bridge. It responds quickly to hill rain and clears just as fast. Wild brown trout throughout, and a genuine head of grayling that the local association fishes as a winter product: the statutory grayling season opens in June, but access is sold from October when the trout season has closed. North Country spider water in summer, and honest winter grayling fishing on falling, clearing water thereafter.

  • River
  • Mixed
The full read · show the working · for Brown Trout · confidence 75%
How the 81 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity61 × 12%7.3
Conditions total= 82
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via River Edenproxy
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 25 March → 30 September
  • Grayling 16 June → 14 March

    Statutory grayling window is 16 June – 14 March, but Brampton AA typically sells grayling on the Irthing as a winter product from 1 October to mid-March. Confirm current association rules for methods and access before travelling.

    Legally open from 16 June, but access is typically sold from 1 October.

    Prime sport 1 October → 28 February

Related guides
Grayling Playbookgrayling tacticsYorkshire & SpidersNorth Country methodsTrout Near Londonaccess guide
Casting instructors near here
Booking & contacts
Clubs & associations