Freestone · Granite · Morvan / Yonne, FR

Cure

08 - BFC - Yonne - PIerre-Perthuis (2025-09-13 11-19-36)

The Cure rises on the high granite of the Morvan, runs north through the woods and water-meadows of Nièvre and Yonne, and joins its parent the Yonne near Vermenton.

Today · Closed season
Coch-y-bonddu
New ruleReported 17 Aug 2026

Severe drought restrictions (crise) in force

VigiEau lists this venue's surface-water zone (CHALAUX - CURE, dépt 58) 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°37734 ↗

Temporary notices from official orders and recent fishery reports — they clear automatically once out of date.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

Forecast · Today
Closed season
Out of season. Try elsewhere.
80% projected
Today's fly
Coch-y-bonddu
Coch-y-bonddu
Conditions on the water · Today
Proxy gauge
Level
Rising
Proxy
via Sioule
Water temp18.7°C
ClarityUnfishable
Weather21°C
WindN 16 km/h
Pressure1018 hPa
Rain · recent0.0 mm
Rain · ahead9.3 mm

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

Water temperature for Brown Trout
Warm — slow
19°C est.ideal 10–16°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 18.5°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Likely species
Hatch timeline · todayPeak at 12pm

12pm(now) — Heather Fly

Stage: Terrestrials on topApproach: Dry flyActivity: 39%
Peak emergence windowWeather boost5 food groups active

Peak activity at 12pm — Heather Fly (Heather Fly, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 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 · September 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
Brown Trout fly box

More balanced than the mountain-river pack. French nymphing still matters, but there is more room for dries, spiders and general searching flies.

Permits & access
Permit required — see local rules.
  • AAPPMA Morvan / Fédération Yonne & Nièvre
  • Standard 1ère catégorie.
What's coming
Plan ahead
5-day outlook
Water here around 19°C. Nothing cooler within range — carry a thermometer.
Gallery · 2
  1. 08 - BFC - Yonne - PIerre-Perthuis (2025-09-13 11-19-36)
  2. Terrain map of the venue
    Terrain map
About this water

The Cure rises on the high granite of the Morvan, runs north through the woods and water-meadows of Nièvre and Yonne, and joins its parent the Yonne near Vermenton. It is one of those quiet French trout rivers that nobody writes about, which is most of the point. The upper reaches around Saulieu and Dun-les-Places are the kind of water a Gierach-minded angler recognises instantly — small pools, clean gravel, occasional deeper corners under the oaks, and fish that have obviously never read the fishing press. The Morvan is old granite, which means the river runs clear and cold and responds quickly to rain. The hatches are honest — Baetis through spring, caddis building from May, stoneflies in the faster pocket water — and the wild brown trout are the right size for a small river: six to ten inches with the occasional pool resident that makes you wish you had brought something slightly heavier. Fish it short. Nymph through April when the water is still cold from the Morvan winter; shift to dry fly as soon as the hawthorn flies show. The best beats are in the middle Cure, above the Crescent reservoir where the character of the river is still wholly its own.

  • Granite
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown

WFD classification · FRHR51

The full read · show the working · for Brown Trout · confidence 80%
How the 0 is built — score × weight = contribution
Temperature32 × 28%9.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity68 × 12%8.2
Conditions total= 63
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Siouleproxy
Prey activitysurvey-backed invertebrate datasurvey
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 March → 3rd Sunday of September
Related guides
Booking & contacts