Freestone · Granite · Vosges / Vosges (88) (Moselotte valley)

Moselotte

Moselotte venue image
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Vosges mountain river with strict regulations protecting wild trout and grayling.

Marginal · Brown Trout
CDC Emerger · 16-18
Marginallive now
Slow going — pick your moments
River lifting fast on the rain. Take your time — read the water before you cast.
80% confidence
What moved it
  • Level0.24 mLifting fast
  • Water temp19.1°C
  • ClarityVery colouredColouring up
Today’s fly
CDC Emerger
CDC Emerger16-18
Dead-drift
Conditions on the water
Live gauge
Level
Rising
0.24 m
Lifting fast
Water temp19.1°C
ClarityVery coloured
Weather25°C
WindE 6 km/h
Pressure1021 hPa
Rain · recent11.8 mm
Rain · ahead1.1 mm

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

Water temperature for brown trout
Warm — slow
19°C est.ideal 10–16°C
0°14°28°
How to fish it · for brown trout
When
Through the open trout season. Spring olives April through May; sedges through summer evenings.
Where
Pool tails and pocket water through the Vosges valley. Cool clear freestone, intimate scale.
Method
Upstream dry to risers; dry-dropper through the riffles. The water reads clear — long leader, fine tippet. Move slowly, cast accurately.
Kit
9 ft #4 — French freestone default. Floating line, 12 ft leader to 4 to 5 lb fluoro. Studded boots.
Why this works
⚠️ Water at 19.1°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots. Otherwise poor — barometric pressure is in the right range.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 4 active hatches hour by hour with Pro.

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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 · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Grayling seasonSeason
1
2
2
2
1
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1
GrannomHatch
1
1

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

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • AAPPMA permits
  • No-kill and fly-only parcours.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 19°C — probably warm enough to stress brown trout. These are likely cooler.
Vologne
36 km
~18°C
Brown trout
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

Vosges mountain river with strict regulations protecting wild trout and grayling. Fly-only, no-kill, barbless-hook requirements on designated sections. Granitic freestone with excellent insect populations. Local-strain wild fish are priority. Spring through early autumn. Check Vosges AAPPMA regulations.

  • Granite
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown

WFD classification · FRCR223

The full read · show the working · for brown trout · confidence 80%
How the 30 is built — score × weight = contribution
Temperature38 × 28%10.6
Flow55 × 22%12.1
Clarity15 × 18%2.7
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity36 × 12%4.3
Limiting factor: Water is very coloured — too coloured for Brown Trout= 44
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
A drop and clear would lift the flow and clarity scores.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout2nd Saturday of March → 3rd Sunday of September
  • Grayling3rd Saturday of May → 3rd Sunday of September
Related guides
Grayling Playbookgrayling tacticsPyrenees PlaybookFrench riversEuro Nymphingsubsurface methods
Booking & contacts