Karst · Limestone · Périgord-Charente, FR

Nizonne (Lizonne)

Nizonne (Lizonne) — Lizonne D81-D102 Gurat Vendoire panneau
Marginal · Brown Trout
CDC Emerger · 16-18
New ruleReported 22 Aug 2026

Severe drought restrictions (crise) in force

A préfectoral drought order places this catchment's surface water at crise, the highest of France's four restriction tiers. Fishing itself is not named in the order, but flows are low and water-use restrictions are in force. Zone: Lizonne - Sauvanie (dépt 24).

Arrêté préfectoral n°37840

Temporary notices from official orders and recent fishery reports — they clear automatically once out of date.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

Marginallive now
Slow going — pick your moments
River temperature is the limiting factor today, not the flow. Fish dawn or dusk if you go at all, and handle everything with extra care.
80% confidence
What moved it
  • LevelProxyvia Dordogne (upper)
  • Water temp18.1°C
  • ClarityClear
Today's fly
CDC Emerger
CDC Emerger16-18
Dead-drift
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Dordogne (upper)
Water temp18.1°C
ClarityClear
Weather18°C
WindSW 14 km/h
Pressure1018 hPa
Rain · recent0.4 mm
Rain · ahead3.3 mm

No gauge on this water — conditions are inferred from Dordogne (upper). The trend transfers, the absolute level does not.

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.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 5 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 5 with Pro.

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Through the year
0–3 scale · August 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
Brown SedgeHatch
2
3
3
3
2
Small SpurwingHatch
2
3
3
3
2
Small Dark OliveHatch
2
3
3
3
2

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 Villebois-Lavalette / Fédération de la Charente & de la Dordogne
  • Classée en 1ère catégorie.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 18°C — probably warm enough to stress Brown Trout . These are likely cooler.
Gallery · 2
  1. Nizonne (Lizonne) — Lizonne D81-D102 Gurat Vendoire panneau
    Lizonne D81-D102 Gurat Vendoire panneau
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • EcologyGood
  • ChemicalUnknown

WFD classification · FRFR483

The full read · show the working · for Brown Trout · confidence 80%
How the 39 is built — score × weight = contribution
Temperature40 × 28%11.2
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity63 × 12%7.6
Conditions total= 67
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Dordogne (upper)proxy
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
  • Trout 2nd Saturday of March3rd Sunday of September
Related guides
Booking & contacts