Freestone · Limestone · Carinthia, AT

Gail

Gail bei Dellach

South Carinthian limestone river renowned for selective grayling populations with discriminating feeding habits.

Prime · Grayling
Pink Grayling Bug · Hook 16
Primelive now
About as good as it gets
River high but settled. Coloured water — fish bigger and deeper, confident takes down the seams.
75% confidence
What moved it
  • Level1.43 mLast reading 22h ago
  • Water temp10.3°C
  • ClarityClear
Today's fly
Pink Grayling Bug
Pink Grayling BugHook 16
in season · matches water height · all-rounder
Conditions on the water
Live gauge
Level
Steady
1.43 m
Last reading 22h ago
Water temp10.3°C
ClarityClear
Weather14°C
WindSW 3 km/h
Pressure1027 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

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

Water temperature for Grayling
Ideal
10.3°Cideal 4–14°C
0°14°28°
How to fish it · for Grayling
When
Midday window — grayling feed best from late morning into early afternoon.
Where
Work runs and glides — grayling shoal in the bottom third of the water column.
Method
Tight-line nymph the bottom third with weighted patterns.
Kit
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Why this works
Excellent — water temperature is right today, though time of day could be better.
Likely species
Hatch timeline · todayPeak at 12pm

Hatch predictions

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

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Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 4 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
1
Grayling seasonSeason
2
1
1
2
2
2
2
2
2
Evening SedgeHatch
2
3
3
3
2
Alpine RhithrogenaHatch
1
2
2
1
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
2
2
2
2
1

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

Ranked for today
Grayling fly box

A classic alpine trout and grayling box. Nymphs, dry flies and streamers all belong, with the season often starting later in alpine regions.

Small Perdigón
Small Perdigón
Hook 14–18 · Fly
in season · matches water height
Permits & access
Permit required — see local rules.
  • Carinthian river (Gailtal area)
  • Fischerkarte + water permit required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
  1. Gail bei Dellach
  2. Terrain map of the venue
    Terrain map
About this water

South Carinthian limestone river renowned for selective grayling populations with discriminating feeding habits. The clear water supports excellent sight fishing, and the brown trout are bonuses. Responsive to rainfall, with productive pools and riffles—accessible beats with proper permits.

  • Limestone
Water quality (WFD)
  • Ecology: Good
  • Chemical: Failing to achieve good
What this classification means

WFD re-coded 2026-09-14 after the pin audit: matched by point query against EEA WISE WFD2022_SurfaceWaterBody (the river water body whose line lies 1 m from the venue pin). Status: WISE 2022 (3rd RBMP) ecological class 2 = Good, chemical 'failing to achieve good' (Austria-wide in the 2022 cycle). Prior id ATOK901730002 (Good) described a different reach.

WFD classification · ATOK901870019

The full read · show the working · for Grayling · confidence 75%
How the 80 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time50 × 13%6.5
Pressure80 × 7%5.6
Insect activity60 × 12%7.2
Conditions total= 80
Can you trust it?
Water temperaturelive gauge readinggauge
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 1 April → 30 September
  • Grayling 1 June → 28 February

    Austrian grayling (Äsche) rules are state and fishery specific. Common pattern: closed 1 January – 31 May (spawning protection); open from June. Individual fishery seasons often end October/November. Always check the local Fischereikarte and specific water permit. Salzburg-area waters commonly show 1 June or 16 May opener.

    Season dates are set at state or regional level — confirm the local rules.

    Prime sport 1 August → 31 October

Related guides
Booking & contacts