Freestone · Limestone · Friuli Venezia Giulia / Carnia-Alto Friuli, IT

Tagliamento

Tagliamento panoramica sul greto al tramonto

Friuli's great braided river and, by wide agreement, the last one in the Alps that still behaves like a gravel-bed river should — spreading, splitting, and cutting new channels after every flood rather than being confined behind embankments.

Prime · Brown Trout
Hare's Ear Nymph · 12-16
Primelive now
About as good as it gets
Low and clear — careful approach country. Take your time — read the water before you cast.
75% confidence
What moved it
  • Level0.02 mDropping in the last 6h
  • Water temp11.2°C
  • ClarityClear
Today's fly
Hare's Ear Nymph
Hare's Ear Nymph12-16
Upstream, sub-surface
Conditions on the water
Live gauge
Level
Steady
0.02 m
Dropping in the last 6h
Water temp11.2°C
ClarityClear
Weather12°C
WindN 8 km/h
Pressure1022 hPa
Rain · recent46.4 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 Brown Trout
Ideal
11°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Through the FVG trout season — opens the last Sunday of March, closes the last Sunday of September, with a catch-and-release extension to 31 October. Afternoon hatches in spring; early and late light through the summer heat.
Where
Seams and back-eddies where the braided channels rejoin, and the quieter water tucked behind gravel bars. The Tagliamento never holds still for long — a good lie this month may be a dry bar next.
Method
Read the braid before you commit — work the deeper, more stable channels first. Upstream nymph through the faster seams; dry fly in the calmer glides behind bars.
Kit
9 to 10 ft #4, floating line, 12 ft leader to 4 to 5 lb fluoro. A wading staff earns its keep on the shifting gravel.
Why this works
Excellent — water temperature is right today, though time of day could be better.
Likely species
Mayflies
Caddisflies
Stoneflies
Damselflies & dragonflies
Hatch timeline · todayPeak at 11am

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

Top nymph shown — see all 4 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

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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
Alpine RhithrogenaHatch
2
3
3
2
Sculpin / Baitfish (Rivers)Hatch
2
3
3
3
3
3
3
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2

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

Ranked for today
Brown Trout fly box

A fuller Italian trout and grayling box for the southern Alps and northern limestone/alpine systems. It keeps the marble-trout streamer accent, but adds proper grayling dries and bugs, competition nymphs, caddis/olive work, terrestrials, pocket-water dries and alpine lake patterns.

SO
Small Olive / BWO Emerger
18-22 · Pattern
Upstream dry, in the film
Permits & access
Permit required — see local rules.
  • ETPI (Ente Tutela Patrimonio Ittico) regional licence required — course-based, roughly €46 for residents
  • FVG Zone B season (2026 Calendario Pesca Sportiva): trout open 07:00 on 29 March to 27 September, with a catch-and-release-only extension to 31 October
  • Marble trout minimum size 35cm on this reach (Collegi 9/10), one fish a day
  • Grayling minimum size 60cm, and FVG limits every angler to ONE retained grayling per calendar year across the whole region
  • Single barbless hook mandatory on No-Kill and RPS water.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Fella
8.0 km
Brown trout · Marble trout
Bela (Breginj)
23 km
Marble trout · Brown trout
Nadiža
26 km
Marble trout · Marble brown hybrid trout · Grayling
Gail
32 km
Brown trout · Grayling
Natisone
32 km
86
Brown trout · Marble trout · Grayling
Gallery · 2
  1. Tagliamento panoramica sul greto al tramonto
  2. Terrain map of the venue
    Terrain map
About this water

Friuli's great braided river and, by wide agreement, the last one in the Alps that still behaves like a gravel-bed river should — spreading, splitting, and cutting new channels after every flood rather than being confined behind embankments. The middle reaches through Carnia and past Venzone hold marble trout and grayling in clear, cold water over pale limestone gravel. Read the braid rather than a single channel; a good lie this season may be a dry bar the next.

  • Limestone
The full read · show the working · for Brown Trout · confidence 75%
How the 82 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity62 × 12%7.4
Conditions total= 82
Can you trust it?
Water temperatureair-to-water estimateestimated
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
Apple MapsGoogle Maps
Seasons & zones
  • Trout 2026-03-29 → 2026-09-27
  • Grayling 2026-06-01 → 2026-09-27

    Rules are set at province or association level — check locally.

  • Marble trout 2026-03-29 → 2026-09-27
Related guides
Grayling Playbookgrayling tacticsEuro Nymphingsubsurface methods
Booking & contacts