Freestone · Granite · Massif Central / Puy-de-Dôme (Rochefort-Montagne), FR

Miouze

Miouze terrain map

The Miouze runs out of the high Puy-de-Dôme granite around Rochefort-Montagne — a small, cold, wild river in country most French anglers outside the Auvergne have never heard of.

Poor · Brown 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Temporary notices from official orders and recent fishery reports — they clear automatically once out of date.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.

Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp15.3°C
  • ClarityClear
Today's fly
Hare's Ear Nymph
Hare's Ear Nymph14-16
Upstream
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp15.3°C
ClarityClear
Weather18°C
WindS 23 km/h
Pressure1019 hPa
Rain · recent0.0 mm
Rain · ahead7.9 mm

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

Water temperature for Brown Trout
Ideal
15°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.
Likely species
Hatch timeline · todayPeak at 6am

Hatch predictions

Today's headline hatch shown — see all 12 active hatches hour by hour as a supporter.

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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

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
Other water nearby · 5
About this water

The Miouze runs out of the high Puy-de-Dôme granite around Rochefort-Montagne — a small, cold, wild river in country most French anglers outside the Auvergne have never heard of. The fish are local-strain brown trout under strict management: fly-only, barbless, no-kill on the designated beats, with the local AAPPMA taking the stewardship seriously. The water is low-pressure, clean, and genuinely uncrowded — there are days you'll fish for hours without seeing another angler. Match the olive in spring, switch to caddis by mid-June, and keep a few terrestrials for the low-water afternoons. Short rods, long leaders, quiet approach. The river is intimate enough that you'll be casting under overhanging alder as often as you're casting across open water. Not a destination — a reason to slow down and pay attention.

Hatches & food

In freestone rivers of the Massif Central, resident brown trout feed through a spring build-up of olives and stoneflies into a long summer of caddis and small buzzers, with terrestrials becoming important from early summer; higher volcanic plateaux and colder headwaters tend to run later than the lower freestones.

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

WFD classification · FRGR0280

The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity65 × 12%7.8
Conditions total= 80
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
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