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

Miouze

Miouze terrain map
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.

Marginal · Brown Trout
Small Perdigón · 16-20
Marginallive now
Slow going — pick your moments
Low and clear — careful approach country. Cover and shadow are doing the work today.
90% confidence
What moved it
  • Level0.24 mLast reading 18h ago
  • Water temp18.0°C
  • ClarityClear
Today’s fly
Small Perdigón
Small Perdigón16-20
Euro-nymph
Conditions on the water
Live gauge
Level
Steady
0.24 m
Last reading 18h ago
Water temp18.0°C
ClarityClear
Weather23°C
WindN 14 km/h
Pressure1023 hPa
Rain · recent0.0 mm
Rain · ahead0.1 mm

Live readings — water temperature is an estimate where the gauge does not record it.

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°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots. Otherwise fair — water clarity is in the right range.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 9 active hatches hour by hour with Pro.

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Evidence
Survey-backed · regionalModerate confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1
GrannomHatch
1
1

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 permits.
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.
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.

  • Granite
Water quality (WFD)
  • EcologyGood
  • ChemicalUnknown

WFD classification · FRGR0280

The full read · show the working · for brown trout · confidence 90%
How the 40 is built — score × weight = contribution
Temperature56 × 28%15.7
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity57 × 12%6.8
Conditions total= 71
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
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
  • Trout2nd Saturday of March → 3rd Sunday of September
Related guides
Booking & contacts