Freestone · Granite · Vosges / Haut-Rhin (Vallée de la Doller), FR

Doller

Doller — Espace liberté - Confluent de l'Ill et de la Doller
Tomorrow · Closed season
G&H Sedge
New ruleReported 23 Jul 2026

Severe drought restrictions (crise) in force

VigiEau lists this venue's surface-water zone (bassins de la Doller amont, de la Fecht, de la Weiss et de la Lauch, dépt 68) at crise, under an official préfectoral drought arrêté. Fishing is not itself banned by it, but water levels are low — go gently on stressed fish.

Arrêté préfectoral n°37430 ↗

Temporary notices from official orders and recent fishery reports — they clear automatically once out of date. Always confirm locally before travelling.

Forecast · Tomorrow
Closed season
Out of season. Try elsewhere.
90% projected
Today's fly
G&H Sedge
G&H Sedge
Conditions on the water · Tomorrow
Live gauge
Flow
Falling
0.2 m³/s
Dropping after lift
Water temp12.0°C
ClarityClearing
Weather15°C
WindN 6 km/h
Pressure1030 hPa
Rain · recent0.0 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 Brown Trout
Ideal
12°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; small dark flies into autumn.
Where
Pool tails and pocket water through the Haut-Rhin valley. Vosges freestone — cool clear water, 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.
Likely species
Stoneflies
Hatch timeline · tomorrowPeak at 18:00

12:00(now) — Autumn Olive

Stage: On emergersApproach: Emerger or dryActivity: 39%
Also:Autumn Needle Fly33%Daddy Long Legs24%
Peak emergence windowWeather boost9 food groups active

Peak activity at 18:00 — Caperer (Caperer, Weather boost)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 as a supporter.

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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
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1

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

Ranked for today
Fly box · Brown Trout
Permits & access
Permit required — see local rules.
  • Alsace AAPPMA permits
  • Fly-only and no-kill parcours common
  • Single barbless hooks required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Moselotte
29 km
0
Brown trout · Grayling
Vologne
32 km
0
Brown trout
Lacs du Neuweiher
6.0 km
Brown trout · Char
Lac des Perches (Sternsee)
7.0 km
Brown trout · Char
Lac d'Alfeld
7.0 km
Brown trout · Char
Gallery · 2
  1. Doller — Espace liberté - Confluent de l'Ill et de la Doller
    Espace liberté - Confluent de l'Ill et de la Doller
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown
What this classification means

WFD ecological status Moderate → Good corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody FRCR53 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · FRCR53

The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity62 × 12%7.4
Conditions total= 86
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 2.º Saturday de March → 3.º Sunday de September
Related guides
Pyrenees PlaybookFrench riversEuro Nymphingsubsurface methods
Booking & contacts