Stillwater · Limestone · Haute-Savoie / Prealpes, FR

Lac Léman (French side)

Lac Léman (French side) — Sunset at the Lake Geneva (lac Léman)

The French side of Léman — Yvoire to Thonon to Évian — is one of the great char lakes of Europe and has been since long before anyone was paying attention.

Fair · Trout
Hare's Ear Nymph · 14–16
A respectable few hours, if you choose your moments
Useful ripple, fishable wave. Worth a session if the wind holds.
49% confidence
limited data

Lac Léman (French side) is often best in spring through autumn.

What moved it
  • WindN 22 km/hModerate breeze
Today's fly
Hare's Ear Nymph
Hare's Ear Nymph14–16
Upstream
Conditions on the water
Estimate
Wind
Moderate breeze
N 22 km/h
N
N
from the north
Wave40 cm chop
Water temp10.5°C
Air temp5°C
CloudBroken
Pressure1016 hPa
Rain · recent0.0 mm

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

Head to
Wind driftNE wind
North-eastern end

A northeasterly has held for 18 hours, running colder than the water (8°C air against 11°C water). The end it blows into is taking that chilled surface water, so try the sheltered north-eastern end instead — off the back of the wind, where the undertow returns food along the bottom. That chill sits in the top of the water, though, and the bed is slower to feel it — on a bottom bait it is the undertow, not the temperature, that puts you at this end. Treat it as a tiebreaker between good swims rather than an override — features and angling pressure usually count for more.

How to fish it · for Trout
When
Through the open lake season. Spring buzzers and damsels April through June; daphnia mid-summer; sedges into September.
Where
French-shore margins from Yvoire down through Évian. Léman is huge — fish on structural edges and deeper drift lines.
Method
Drift on a floater with team-of-three traditional wets; midge-tip in summer; sweeping line for char-depth feeding in cooler months. Drogue is essential on Léman's bigger drifts.
Kit
10 ft #6 boat rod; floating, slow-intermediate, and sink-tip lines; 5 to 6 lb fluoro tippet. Drogue and a long-handled net.
The plan
Plan A

Work a bushy searching pattern on the bob and drop a contrasting nymph on the point.

Plan B

If the main plan is not working, switch to a smaller, more imitative pattern fished slower and deeper. A change of drift angle can also make a difference.

Watch for

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

Boat — at anchor

Windy conditions suit anchoring in productive areas rather than open-water drifting.

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
Trout seasonSeason
1
2
2
2
2
2
2
2
2
2
2
1
CaenisHatch
2
3
3
2
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Silverhorns & LonghornsHatch
2
3
3
3
2
Daddy Long LegsHatch
2
3
3
2

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.

Permits & access
Permit required — see local rules.
  • French side = AAPPMA Haute-Savoie + Léman supplement
  • Swiss side requires separate permit
  • Base out of Thonon or Évian for pure French-waters fishing.
What's coming
Plan ahead
5-day outlook
Condition match
63%
Cloud70%
Wind30%
Temp100%

A reasonable day here, though wind isn't quite in the sweet spot.

Other water nearby · 5
Giffre
33 km
0
Brown trout · Grayling
Pisciculture des Meuniers
27 km
Rainbow trout · Brown trout · Char
Lac des Rousses
40 km
Brown trout · Rainbow trout · Grayling
Arve
40 km
Brown trout
Pisciculture de Jougne
42 km
Rainbow trout
Gallery · 2
  1. Lac Léman (French side) — Sunset at the Lake Geneva (lac Léman)
    Sunset at the Lake Geneva (lac Léman)
  2. Terrain map of the venue
    Terrain map
About this water

The Arctic char here are the real thing, the descendants of the fish that followed the retreating glaciers up out of the Rhône valley ten thousand years ago, and they still behave like glacial relicts: cold water, deep water, slow to feed and slow to grow. There is an enormous amount of water to fish, which cuts both ways — plenty of room but plenty of room to be lost in. The trout run the shallow weedy edges in spring, and the féra are reliably present through the middle months. Cross-border complications apply (Swiss permit for Swiss waters, French carte plus supplement for the French side) but from Thonon or Évian you can fish French Léman for a good long day without needing to worry about either.

  • Lake
  • Limestone
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Good

WFD classification · FRDL65

Why this score
  • Wind conditions (windy) are not ideal for this water.
  • Temperature (cool) is in the sweet spot for winter fishing.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout Last Saturday of January → End of December
  • Char varies_by_lake → varies_by_lake

    French lake char (omble chevalier / omble de fontaine) — seasons and retention rules are set by departmental regulations and local fishing associations (AAPPMA). French char lakes are often managed with strict rules. Check the local AAPPMA or departmental fishing regulations before targeting char.

Related guides
Thermal Layers & Troutreading depth and temperaturePyrenees PlaybookFrench riversEuro Nymphingsubsurface methods
Booking & contacts
At a glance

Lac Léman (French side) is a lake in Haute-Savoie / Prealpes, France. The catchment geology is recorded as limestone, and the water sits at about 368 m above sea level. Species listed for this water: brown trout and char. The trout season is recorded as running from Last Saturday of January to End of December. Best window recorded for anglers: April–June and September–November. Core methods listed: Vertical nymphing (char/féra); shore streamer; wet fly. Its Water Framework Directive ecological status is recorded as moderate. Access is recorded as day tickets through the local AAPPMA (angling association). Nearby waters in our listings include Pisciculture des Meuniers at 27 km, Giffre at 33 km and Lac des Rousses at 40 km.