Freestone · Mixed · Ariège / Pyrenees

Ariège

Ariège venue image
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The Ariège cuts through the heart of the Pyrenees from high mountains through Luzenac and Foix.

Fair · Grayling
F-Fly · Hook 18–22
A side-water session, not the main event
River lifting fast on the rain. Take your time — read the water before you cast.
45% confidence
limited data
What moved it
  • Level1.25 mLifting fast
  • Water temp14.7°C
  • ClarityVery colouredColouring up
Today’s fly
F-Fly
F-FlyHook 18–22
in season · matches water height
Conditions on the water
Live gauge
Level
Rising
1.25 m
Lifting fast
Water temp14.7°C
ClarityVery coloured
Weather15°C
WindNW 15 km/h
Pressure1026 hPa
Rain · recent0.2 mm
Rain · ahead2.6 mm

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

Water temperature for grayling
Warm — slow
15°C est.ideal 4–14°C
0°14°28°
How to fish it · for grayling
When
Autumn through late autumn — September through November prime. The Ariège is one of the better grayling waters in the French Pyrenees.
Where
Faster gravel runs and the heads of riffles in the middle and lower river. Deeper glide tails as autumn cold pushes fish deeper.
Method
Euro-nymphing through the deeper pockets is the daily default. Switch to dries on autumn afternoons.
Kit
10 ft #3 nymphing rod for the deep pockets; 9 ft #4 for dries. 4 to 5 lb fluoro tippet, 12 ft leader.
Why this works
Fair — barometric pressure is working for you, but time of day is the limiting factor today.
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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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
Grayling seasonSeason
1
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Alpine RhithrogenaHatch
1
2
2
1
Large Dark OliveHatch
1
2
2
1

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Grayling fly box
Permits & access
Permit required — see local rules.
  • AAPPMA permits
  • French Pyrenean regulations.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Étang de Lers
18 km
Brown trout
Ariège (Luzenac reach)
29 km
Brown trout
Noguera de Cardós
49 km
Brown trout
Bouillouses Mountain Lakes
51 km
Brown trout
Segre (Cerdagne)
54 km
Brown trout · Grayling
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

The Ariège cuts through the heart of the Pyrenees from high mountains through Luzenac and Foix. Mixed granite headwaters and limestone foothills support wild brown trout — 1st-category water with multiple tributaries. Luzenac section has designated no-kill fly-fishing beat (marked 'PARCOURS NO KILL', free permit on application). Higher waters best early season; lower sections hold consistent trout.

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

WFD classification · FRFR170

The full read · show the working · for grayling · confidence 45%
How the 48 is built — score × weight = contribution
Temperature78 × 28%21.8
Flow30 × 22%6.6
Clarity45 × 18%8.1
Feeding Time10 × 13%1.3
Pressure80 × 7%5.6
Insect activity37 × 12%4.4
Conditions total= 48
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
A drop and clear would lift the flow and clarity scores.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout2nd Saturday of March → 3rd Sunday of September
  • Grayling3rd Saturday of May → 3rd Sunday of September
Related guides
Grayling Playbookgrayling tacticsPyrenees PlaybookFrench riversEuro Nymphingsubsurface methods
Booking & contacts