Freestone · Limestone · Styria / Upper Austria, AT

Enns

Austria Enns Donau Enns river from southwest IMG 9060

A major Alpine river in eastern Austria draining limestone mountains through Styria and Upper Austria.

Today · A proper day on the water
Czech Nymph
Forecast · Today
A proper day on the water
A proper day for it. Work the seams with an upstream nymph, switch to the dry when they show.
55% projected
Today's fly
Czech Nymph
Czech Nymph
Conditions on the water · Today
Live gauge
Flow
Steady
19.9 m³/s
Water temp11.0°C
ClarityClear
Weather16°C
WindN 13 km/h
Pressure1024 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Grayling
Ideal
11°C est.ideal 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 — conditions well-balanced, with water temperature particularly in your favour.
Likely species
Hatch timeline · todayPeak at 12pm

12pm(now) — Autumn Olive

Stage: On emergersApproach: Emerger or dryActivity: 60%
Also:Autumn Needle Fly43%Black Midge29%
Peak emergence window9 food groups active

Peak activity at 12pm — Autumn Olive (Autumn Olive, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

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14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Supporters see what else is on the menu.

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14-day free trial. Cancel anytime.

Evidence
Survey-backed · regionalHigh confidence

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

Through the year
0–3 scale · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
1
Grayling seasonSeason
1
2
2
2
2
2
1
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.
  • Styrian Enns around Admont, at the head of the Gesäuse
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
  1. Austria Enns Donau Enns river from southwest IMG 9060
  2. Terrain map of the venue
    Terrain map
About this water

A major Alpine river in eastern Austria draining limestone mountains through Styria and Upper Austria. Excellent brown trout and grayling in clear, productive water with good wading access. Some sections bear the marks of hydropower, but the upper reaches remain pristine. Technical fly and nymphing water that responds well to careful reading.

  • Limestone
Water quality (WFD)
  • Ecology: Bad
  • 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 2 m from the venue pin). Status: WISE 2022 (3rd RBMP) ecological class 5 = Bad, chemical 'failing to achieve good' (Austria-wide in the 2022 cycle). Prior id ATOK400650043 (Good) described a different reach.

WFD classification · ATOK411250010

The full read · show the working · for Grayling · confidence 90%
How the 87 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time90 × 13%11.7
Pressure80 × 7%5.6
Insect activity75 × 12%9.0
Conditions total= 87
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
Directions
Seasons & zones
  • Trout 1 April → 30 September
  • Grayling 1 June → 31 December

    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