Stillwater · Granite · Massif Central / Puy-de-Dôme (VolcanSancy), FR

Lac Guéry

Lac Guéry — Lac de Guéry, Auvergne (France)

Lac de Guéry sits under the Sancy massif at about 1240 metres — the highest natural lake in the Puy-de-Dôme, volcanic from its bedrock up, and the sort of water that makes you glad you packed a jumper even in July.

Fair · Trout
Hare's Ear Nymph · 14-16
New ruleReported 20 Aug 2026

Severe drought restrictions (crise) in force

VigiEau lists this venue's surface-water zone (11 - Sioule amont, dépt 63) 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°37758 ↗

Temporary notices from official orders and recent fishery reports — they clear automatically once out of date.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

Fairlive now
Buzzer expected on Lac Guéry
Good wave on — drift country. A useful wave. Work the productive shore.
59% confidence

Lac Guéry is often best in spring through autumn.

What moved it
  • WindS 13 km/hGentle breeze
Today's fly
Hare's Ear Nymph
Hare's Ear Nymph14-16
Upstream
Conditions on the water
Estimate
Wind
Gentle breeze
S 13 km/h
N
S
from the south
Wave20 cm ripple
Water temp12.8°C
Air temp15°C
CloudOvercast
Pressure1019 hPa
Rain · recent0.0 mm

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

Head to
Wind driftS wind
Northern end

A southerly has held for 7 hours, running warmer than the water (18°C air against 13°C water). Expect fish at the northern end — the bank it is blowing into — where the drift piles food, colour and warmth together. This reads the upper water, though — a bottom bait at range feels it far less than a floater or a fish in the margins. 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
May–October
Where
Set up a broadside drift and cover the water systematically. Work a bushy searching pattern on the bob and drop a contrasting nymph on the point.
The plan
Plan A

Set up a broadside drift and cover the water systematically. 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 — drift

A gentle ripple is ideal for drifting — broadside drift covering the wind lanes should be productive.

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 5 as a supporter.

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Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
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.

Permits & access
Permit required — see local rules.
  • AAPPMA permits.
What's coming
Plan ahead
5-day outlook
Condition match
71%
Cloud50%
Wind65%
Temp100%

A good match for Lac Guéry — most conditions are close to what it fishes best in.

Other water nearby · 5
Dordogne (upper)
11 km
0
Brown trout · Grayling
Lac Servières
4.0 km
Brown trout
Miouze
5.0 km
Brown trout
Fontsalade
6.0 km
Brown trout · Grayling
Lac Chambon
9.0 km
Brown trout
Gallery · 2
  1. Lac Guéry — Lac de Guéry, Auvergne (France)
    Lac de Guéry, Auvergne (France)
  2. Terrain map of the venue
    Terrain map
About this water

Lac de Guéry sits under the Sancy massif at about 1240 metres — the highest natural lake in the Puy-de-Dôme, volcanic from its bedrock up, and the sort of water that makes you glad you packed a jumper even in July. Wild and stocked brown trout share it, and the fishing is straightforward in the best sense: float-tube from the middle, or work the inlet bays on foot with a fast-sinking line and a leech or a small streamer. The surrounding landscape is all volcanic peaks and high pasture, which means wind is not optional — learn to use it rather than fight it. The season is officially 2ème catégorie but realistically early May through September is when anything serious happens. Permits are on the inter-federal card so day tickets are easy enough. A proper Massif Central water — not quite as famous as Pavin, but more fishable, and better suited to a day you want to cover some water.

  • Lake
  • Granite
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown
What this classification means

WFD ecological status Good → Moderate corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody FRFR107B (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · FRFR107B

Why this score
  • Temperature (cool) is in the sweet spot for autumn fishing.
  • Buzzer is in its seasonal window, boosting the chance of targeted feeding.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 2nd Saturday of March → 3rd Sunday of September
Related guides
Thermal Layers & Troutreading depth and temperaturePyrenees PlaybookFrench riversEuro Nymphingsubsurface methods
Booking & contacts