Large River · Mixed · Innlandet (Hedmark)

Glomma (Kvennan)

The Glomma river reflecting a dusky sky, lined with silhouetted trees.

The Kvennan beat on Norway's largest river (Glomma) is the country's most famous grayling water.

Fair · Grayling
CDC mayfly emerger · sizes_14_20
A side-water session, not the main event
River lifting fast on the rain. Take your time — read the water before you cast.
45% confidence
limited data
What moved it
  • Level587.39 mLifting fast
  • Water temp11.9°C
  • ClarityVery colouredColouring up
Today's fly
CDC mayfly emerger
CDC mayfly emergersizes_14_20
in season · matches water height
Conditions on the water
Live gauge
Level
Rising
587.39 m
Lifting fast
Water temp11.9°C
ClarityVery coloured
Weather11°C
WindE 5 km/h
Pressure1008 hPa
Rain · recent1.9 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 Grayling
Ideal
12°C est.ideal 4–14°C
0°14°28°
How to fish it · for Grayling
When
August through September is prime — Norwegian grayling fishing is at its best in late summer when olives and sedges bring fish up. Mid-day rises in cooler weather; long daylight stretches the fishable window.
Where
Glomma's grayling water at Kvennan is wide and demanding. Gravel runs, the heads of riffles, and deeper glide tails. Find the shoals; wade carefully.
Method
Dry to risers with sedges, olives, and the late-summer spinner falls. Euro-nymphing through the deeper pockets when fish aren't up. Long fine tippet — Glomma grayling are wary in clear water.
Kit
9 to 10 ft #4 for dries; 10 ft #3 nymphing rod for the deep pockets. Floating line, 12 ft leader to 4 to 5 lb fluoro tippet.
Why this works
Fair — water temperature is working for you, but time of day is the limiting factor today.
Hatch timeline · todayQuiet day

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 · regionalModerate 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
Trout seasonSeason
1
2
2
1
Grayling seasonSeason
1
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
1

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

Ranked for today
Grayling fly box
Permits & access
Permit required — see local rules.
  • Local fiskekort required for the Kvennan beat or controlling association
  • Inland trout-and-grayling rules apply here; this is not an anadromous salmon river requiring the national salmon fee.
What's coming
Plan ahead
5-day outlook
Other water nearby · 2
Trysilelva
147 km
18
Brown trout · Grayling
Renaelva
155 km
Brown trout · Grayling
Gallery · 2
  1. The Glomma river reflecting a dusky sky, lined with silhouetted trees.
    River at Dusk
  2. Terrain map of the venue
    Terrain map
About this water

The Kvennan beat on Norway's largest river (Glomma) is the country's most famous grayling water. Sight-fishing to rising grayling on dry flies in long, clear glides. Grayling of 40–50 cm regularly taken. Also holds trout. Fly-only stretch below the rapids. Barbless hooks recommended. Prime window mid-July to early September. A short but iconic stretch of water.

  • Mixed
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown

WFD classification · NO002-1666-R

The full read · show the working · for Grayling · confidence 45%
How the 59 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow55 × 22%12.1
Clarity45 × 18%8.1
Feeding Time10 × 13%1.3
Pressure80 × 7%5.6
Insect activity30 × 12%3.6
Conditions total= 59
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
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 1 June → 15 September
  • Grayling 1 June → 15 September
Related guides
Grayling Playbookgrayling tacticsEuro Nymphingsubsurface methods
Booking & contacts