Freestone · Granite · Vosges / Vosges (88) (Upper Vologne valley)

Vologne

Vologne venue image
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The Vologne rises on the crest of the Vosges and runs down through granite pine forest with the kind of self-contained quietness that makes you forget the rest of France exists.

Marginal · Brown Trout
CDC Emerger · 16-18
Marginallive now
Slow going — pick your moments
Low and clear — careful approach country. Cover and shadow are doing the work today.
80% confidence
What moved it
  • Level0.10 mLast reading 1h ago
  • Water temp18.1°C
  • ClarityClear
Today’s fly
CDC Emerger
CDC Emerger16-18
Dead-drift
Conditions on the water
Live gauge
Level
Steady
0.10 m
Last reading 1h ago
Water temp18.1°C
ClarityClear
Weather18°C
WindN 6 km/h
Pressure1019 hPa
Rain · recent0.0 mm
Rain · ahead1.3 mm

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

Water temperature for brown trout
Warm — slow
18°C est.ideal 1016°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
⚠️ Water at 18.1°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots. Otherwise poor — water clarity is in the right range.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 7 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
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
  • Fly-only and no-kill parcours.
What's coming
Plan ahead
5-day outlook
Water here around 18°C. Nothing cooler within range — carry a thermometer.
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

The Vologne rises on the crest of the Vosges and runs down through granite pine forest with the kind of self-contained quietness that makes you forget the rest of France exists. The upper valley is managed with more care than most — fly-only, barbless, no-kill on the designated beats — and it shows in the fish. Wild brown trout of the local Vosges strain, educated by generations of dry-fly pressure and fully capable of ignoring a size 14 that is anything less than perfectly presented. Match the baetis in spring, move to caddis in summer, and keep a small emerger pattern handy for the slow glides where the bigger fish sip. Solitude increases upstream. The further you walk, the more it feels like the river has been waiting for you. Not a river for the impatient — one for the patient with legs.

  • Granite
Water quality (WFD)
  • EcologyGood
  • ChemicalUnknown
What this classification means

WFD ecological status Moderate → Good corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody FRCR228 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · FRCR228

The full read · show the working · for brown trout · confidence 80%
How the 39 is built — score × weight = contribution
Temperature54 × 28%15.1
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity56 × 12%6.7
Conditions total= 67
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.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
  • Trout2nd Saturday of March → 3rd Sunday of September
Related guides
Booking & contacts