Karst · Limestone · Jura-edge / Ain (Bugey)

Albarine

Photo of Albarine
Contributor photo

Albarine — image via Wikipedia (Albarine)

PRA <CC BY 3.0>, via Wikimedia Commons

The Albarine is limestone spring water that achieves something continental Europe preserves with jealous precision — chalkstream character in a French key.

Prime · Brown Trout
CDC Emerger · 16-20
Primelive now
About as good as it gets
Low and clear — careful approach country. Take your time — read the water before you cast.
90% confidence
What moved it
  • LevelLiveTrend only — level not reported
  • Water temp16.4°C
  • ClarityClear
Today’s fly
CDC Emerger
CDC Emerger16-20
Dead-drift
Conditions on the water
Live gauge
Level
Steady
Live
Trend only — level not reported
Water temp16.4°C
ClarityClear
Weather24°C
WindS 10 km/h
Pressure1018 hPa
Rain · recent0.0 mm
Rain · ahead30.5 mm

Live readings only. Trends shown where the gauge supports them.

Water temperature for brown trout
Warm — slow
16.4°Cideal 1016°C
0°14°28°
How to fish it · for brown trout
When
Through the open trout season. Spring olives April through May; sedges through summer; small dark flies into autumn close.
Where
Karst water through the Bugey hills. Pool tails and the cushion behind boulders. The Albarine is intimate — short casts pay.
Method
Upstream dry to spotted rising fish; long fine leader. The water reads clear — careful approach matters more than fly choice. Move slowly upstream, cast accurately, accept the result.
Kit
9 ft #4 — French karst-stream default. Floating line, 14 ft leader to 4 lb fluoro. Polarising glasses non-negotiable.
Why this works
Excellent — water clarity is right today, though insect activity could be better.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

See the full sub-surface read with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 3 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
2
2
2
1
Brown SedgeHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Blue Winged OliveHatch
2
3
3
3
3
2
Mayfly (Green Drake)Hatch
2
2

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

Ranked for today
Brown Trout fly box
Gammarus Scud (Olive)
Gammarus Scud (Olive)
12-16 · Gammarus Scud
Dead-drift, sub-surface
Permits & access
Permit required — see local rules.
  • Non-reciprocal water — specific day/annual cards required
  • Not covered by standard carte de pêche reciprocity.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
  1. Photo of Albarine
    Albarine — image via Wikipedia (Albarine)
  2. Terrain map of the venue
    Terrain map
About this water

The Albarine is limestone spring water that achieves something continental Europe preserves with jealous precision — chalkstream character in a French key. Crystal-clear, spring-held temperature, ranunculus threading the current into polished lanes, and trout so firmly convinced of their own discernment that a fly two inches astray is no longer your concern. The river demands small, exact presentations (sixteens and eighteens for olives, ephemeralids equally fine), and it expects you to have read the hatch properly before you arrive. Fly-only on the designated beats. Non-reciprocal — the Albarine holds itself separate from the standard carte de pêche world, which is entirely its right. You will fish here by invitation and advance arrangement, and in return you will fish water that remembers why precision matters. Grayling hold in the lower reaches year-round. This is a river for those who understand that constraint is not punishment — it is the price of access to water worth the keeping.

  • Limestone
Water quality (WFD)
  • EcologyGood
  • ChemicalUnknown

WFD classification · FRDR486

The full read · show the working · for brown trout · confidence 90%
How the 83 is built — score × weight = contribution
Temperature90 × 28%25.2
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity63 × 12%7.6
Conditions total= 83
Can you trust it?
Water temperaturelive gauge readinggauge
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
Directions
Seasons & zones
  • Trout2nd Saturday of March → 3rd Sunday of September
  • Grayling3rd Saturday of May → 31 December

    France national rule: grayling opens 3rd Saturday of May in all waters. In 2nd category waters, grayling remains open until 31 December. Departmental regulations may impose earlier closing dates. Always check the relevant département's 2026 arrêté préfectoral.

Related guides
Booking & contacts