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

River Irthing

River Irthing venue image
Tomorrow · Not the day for it
Pheasant Tail Nymph
Forecast · Tomorrow
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
Pheasant Tail Nymph
Pheasant Tail Nymph
Conditions on the water · Tomorrow
Proxy gauge
Level
Rising
Proxy
via River Eden
Water temp8.5°C
ClarityUnfishable
Weather6°C
WindN 35 km/h
Pressure993 hPa
Rain · recent2.2 mm
Rain · ahead5.8 mm

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

Water temperature for Grayling
Ideal
9°C est.ideal 4–14°C
0°14°28°
How to fish it · for Grayling
When
Midday window — grayling feed best from late morning into early afternoon.
Where
Work runs and glides — grayling shoal in the bottom third of the water column.
Method
Tight-line nymph the bottom third with weighted patterns.
Kit
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Why this works
Good — water temperature is working for you, but time of day is the limiting factor today. Grayling feeds actively in cold water — peak winter sport.
Likely species
Mayflies
Stoneflies
Caddisflies
Gammarids
Hatch timeline · tomorrowPeak at 13h

12h(now) — Iron Blue

Stage: On emergersApproach: Emerger or dryActivity: 35%
Weather boost

Peak activity at 13h — Iron Blue (Iron Blue, Weather boost)

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

Supporters see what else is on the menu.

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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 · October 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
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
Fly box · Grayling
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
85
Brown trout · Grayling · Salmon
Border Esk
30 km
Brown trout · Salmon · Sea trout
River Eamont
37 km
71
Brown trout · Grayling
Annan
38 km
Brown trout · Salmon · Sea trout
River Tyne
41 km
86
Brown trout · Salmon · Sea trout
Gallery · 1
  1. Terrain map of the venue
    Terrain map
The full read · show the working · for Grayling · confidence 75%
How the 79 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity90 × 18%16.2
Feeding Time30 × 13%3.9
Pressure80 × 7%5.6
Insect activity61 × 12%7.3
Conditions total= 79
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