Stillwater · Limestone · Styria / Ausseerland, AT

Altausseer See

Altausseer See and Trisselwand
Prime · Lake Trout
Small Streamer · 6-10
Primelive now
Prime autumn Seeforelle — fish rising before spawn
Glassy and bright — hard work without a breeze. Take your time — read the water before you cast.
82% confidence
What moved it
  • WindNW 3 km/hCalm
Today's fly
SS
Small Streamer6-10
Swing
Conditions on the water
Estimate
Wind
Calm
NW 3 km/h
N
NW
from the north-west
WaveFlat calm
Water temp11.7°C
Air temp13°C
CloudBroken
Pressure1027 hPa
Rain · recent0.0 mm

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

How to fish it · for Lake Trout
When
Cooling water temperatures (10–14°C) bring Seeforelle into shallow margins and mid-water. This is the best fly-fishing window — fish are aggressive, accessible, and taking large streamers confidently. Spawning fish (late October onward) should not be targeted.
Where
Seeforelle are feeding hard before the spawn and positioned in the upper 5m at dawn and dusk. Intermediate line with streamer or large nymph. Fish near drop-offs and rocky points where Renken congregate.
The plan
Plan A

Seeforelle are feeding hard before the spawn and positioned in the upper 5m at dawn and dusk. Intermediate line with streamer or large nymph. Fish near drop-offs and rocky points where Renken congregate.

Plan B

If the main plan is not working, switch to a smaller, more imitative pattern fished slower and deeper. A change of drift angle can also make a difference.

Watch for

Keep an eye on changing conditions — wind shifts and cloud breaks can trigger short feeding spells.

Either bank or boat

Calm evenings can fish well from bank or boat — target rising fish wherever you find them.

Sub-surface · on the nymphunder the surface

Hatch predictions

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

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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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Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
1
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Lake OliveHatch
2
3
3
3
3
3
2
Daphnia SwarmHatch
2
3
3
3
2
Silverhorns & LonghornsHatch
1
2
2
2
1

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

Ranked for today
Fly box · Lake Trout
SS
Small StreamerTop
6-10 · Pattern
Swing
Permits & access
Permit required — see local rules.
  • Barbless hooks only (trebles only on spoons); wet and dry flies explicitly permitted
  • 2026 season 15 June – 31 August
  • Tickets in person, cash only, early morning (about 6–9 am) from the Fischervereinigung Seefischerei Altaussee
  • A Styrian fishing card or guest fishing card is also required.
What's coming
Plan ahead
5-day outlook
Condition match
77%
Cloud70%
Wind65%
Temp100%

A good match for Altausseer See — most conditions are close to what it fishes best in.

Other water nearby · 5
Toplitzsee
11 km
Char · Lake trout · Pike
Hallstätter See
13 km
Rainbow trout · Lake trout · Char
Traun
33 km
Brown trout · Grayling
Steyr
35 km
Brown trout · Grayling
Enns
51 km
Brown trout · Grayling
Gallery · 2
  1. Altausseer See and Trisselwand
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Good
  • Chemical: Failing to achieve good
What this classification means

Matched 2026-09-14 by point query against EEA WISE WFD2022_SurfaceWaterBody (lake polygon, 2.08 km² — matches the lake). Status: WISE 2022 (3rd RBMP) ecological class 2 = Good; chemical 'failing to achieve good' (Austria-wide in the 2022 cycle).

WFD classification · ATOK4501100

Why this score
  • Temperature (cool) is in the sweet spot for autumn fishing.
  • Buzzer is in its seasonal window, boosting the chance of targeted feeding.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 15 June → 31 August
  • Grayling not applicable → not applicable

    All grayling must be returned — retention is prohibited here.

  • Char 15 June → 31 August

    Seesaibling — the main catch. 2026 season 15 June – 31 August (single source). Barbless hooks only.

  • Lake trout 15 June → 31 August
Related guides
Thermal Layers & Troutreading depth and temperatureAlpine Streamsmountain entomologyEuro Nymphingsubsurface methods
Booking & contacts