Stillwater · Mixed · Jura / Franche-Comté, FR

Lac de Vouglans

Turquoise waters of Lac de Vouglans winding through forested limestone hills, Jura, France

Lac de Vouglans is a great turquoise reservoir held in a gorge of the southern Jura, a deep water of limestone character that takes on the colour of mineral country in still light.

Fair · Trout
Hare's Ear Nymph · 14–16
New ruleReported 9 Sept 2026

Severe drought restrictions (crise) in force

VigiEau lists this venue's surface-water zone (Plateau calcaire, dépt 39) 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°38076 ↗

Temporary notices from official orders and recent fishery reports — they clear automatically once out of date.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

A respectable few hours, if you choose your moments
Useful ripple, fishable wave. Worth a session if the wind holds.
45% confidence
limited data

Lac de Vouglans is often best in spring through autumn.

What moved it
  • WindS 15 km/hGentle breeze · Gusts to 23 km/h
Today's fly
Hare's Ear Nymph
Hare's Ear Nymph14–16
Upstream
Conditions on the water
Estimate
Wind
Gentle breeze · Gusts to 23 km/h
S 15 km/h
N
S
from the south
Wave20 cm ripple
Water temp10.8°C
Air temp12°C
CloudOvercast
Pressure1006 hPa
Rain · recent0.0 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

How to fish it · for Trout
When
Conditions are not ideal but fishable at Lac de Vouglans. The ripple should help fish move and feed more confidently. Warmer water may push fish deeper — try sinking lines or deeper nymphing.
Where
Start with Perdigón (16–18) — on the point — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.
The plan
Plan A

Start with Perdigón (16–18) — on the point — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.

Plan B

Slow down everything. A booby on a fast-sinking line, left static, can pick up deep fish.

Watch for

Keep an eye on changing conditions — wind shifts and cloud breaks can trigger short feeding spells.

Bank

Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.

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

Top prey shown — see all 4 as a supporter.

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Through the year
0–3 scale · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Claret DunHatch
2
3
2
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Flying AntsHatch
1
2
1
Silverhorns & LonghornsHatch
1
2
2
2
1

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

Ranked for today
Trout fly box

French nymph-first water. Fast current, technical presentation, weighted nymphs and emergers, with dry flies when fish rise.

What's coming
Plan ahead
5-day outlook
Condition match
49%
Cloud50%
Wind65%
Temp25%

Conditions are away from Lac de Vouglans's sweet spot — it usually fishes best in ripple wind with cloud skies.

Other water nearby · 5
Gallery · 2
  1. Turquoise waters of Lac de Vouglans winding through forested limestone hills, Jura, France
    Lac de Vouglans, Jura
  2. Terrain map of the venue
    Terrain map
About this water

Its trout are scattered across a large lake, which means the angler's first task is to find them rather than fool them. Work from a boat, cover ground, and let the wind and the drop-offs narrow the search. The depth keeps the lake cool when summer presses, and the better fish often lie well down. It is patient, exploratory fishing — but a Vouglans trout, found and fairly taken, repays the looking.

  • Lake
  • Mixed
Why this score
  • winter conditions with overcast skies and breezy wind.
Related guides
Booking & contacts
At a glance

Lac de Vouglans is a lake in Jura / Franche-Comté, France. It sits at about 420 m above sea level. Our data lists rainbow trout and brown trout here. Best window recorded for anglers: May to June, then September into October — cooler water brings trout up onto the points and margins to feed. Nearby waters in our listings include Héria at 8.0 km, Bienne at 16 km and Les Truites des Rivières at 26 km.