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

Petit Sioulet

Petit Sioulet terrain map

The Petit Sioulet is the Sioule's younger and quieter sibling — the same water in miniature, running through the same Combrailles granite country, with the same character of wild trout and the same willingness to reward patience.

Poor · Brown Trout
Hare's Ear Nymph · 14–16
Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • LevelModerate rain recentlyNo gauge reading
  • Water temp7.5°C
  • ClarityClearing
Today's fly
Hare's Ear Nymph
Hare's Ear Nymph14–16
Upstream
Conditions on the water
Estimate
Level
Moderate rain recently
No gauge reading
Water temp7.5°C
ClarityClearing
Weather7°C
WindS 14 km/h
Pressure1013 hPa
Rain · recent21.2 mm
Rain · ahead7.7 mm

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

Water temperature for Brown Trout
Cool — slow
8°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
Stoneflies
Gammarids
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 2 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Supporters see what else is on the menu.

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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 · November 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
Miouze
11 km
0
Brown trout
Dordogne (upper)
16 km
0
Brown trout · Grayling
Fontsalade
17 km
0
Brown trout · Grayling
Lac Guéry
21 km
Brown trout
Lac Servières
22 km
Brown trout
About this water

It's small enough that the main Sioule anglers rarely bother, which is exactly why it's worth bothering with. Short casts, pocket water, the occasional deeper pool where a bigger fish might be lying. Work upstream with a dry-dropper rig and don't linger — cover water, pick the best lies, keep moving. Caddis and stoneflies all season; olives in the right light. Spring and early summer are the prime window, but the upper reaches stay cool enough to fish well into August. A proper backup river when the main Sioule is full of other anglers or running off-colour after a storm.

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 · FRFR106A

The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature57 × 28%16.0
Flow71 × 22%15.6
Clarity75 × 18%13.5
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity26 × 12%3.1
Conditions total= 62
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 2nd Saturday of March → 3rd Sunday of September
Related guides
Pyrenees PlaybookFrench riversEuro Nymphingsubsurface methods
Booking & contacts
At a glance

Petit Sioulet is a freestone river in Massif Central / Puy-de-Dôme (Combrailles), France. Its recorded elevation is about 726 m above sea level and the catchment geology is granite. The river is described as roughly 35 km long. The species listed for this water is brown trout. The trout season is recorded as running from 2nd Saturday of March to 3rd Sunday of September. Best window recorded for anglers: March–September. Core methods listed: Nymphing; dry fly. Its Water Framework Directive ecological status is recorded as good. Access is recorded as day tickets through the local AAPPMA (angling association). Nearby waters in our listings include Miouze at 11 km, Dordogne (upper) at 16 km and Fontsalade at 17 km.