Freestone · Limestone · Veneto / Cadore-Ampezzano, IT

Boite

Italia Belluno - Valle di Cadore river Boite IMG 8339

The Piave's principal tributary alongside the Cordevole, and a proper Dolomite torrent — forty-five kilometres of dolomite and limestone dropping south through Cortina d'Ampezzo and Cadore before it joins the main river at Perarolo.

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.
90% confidence
What moved it
  • Level0.27 m
  • Water temp12.2°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
0.27 m
Water temp12.2°C
ClarityClear
Weather19°C
WindN 9 km/h
Pressure1022 hPa
Rain · recent19.7 mm
Rain · ahead0.7 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
12°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Through the Veneto trout season, 7 March to 28 September. This high, cold water fishes well through the middle of the day more often than the lower valley rivers — the elevation keeps it cool even in summer.
Where
Tight pockets behind boulders and the short pools between them, through the spruce-forest corridors around Cortina and down through the Cadore valley toward Perarolo.
Method
Short-line nymph through the broken pocket water — the Boite is narrow enough that a long cast is rarely the answer. Dry-dropper works well on the calmer stretches. Single barbless on No-Kill water.
Kit
8.5 to 9 ft #3/4 for a small, technical mountain torrent. Floating line, 9 to 12 ft leader to 5X. Studded boots for the glacial boulder-and-cobble bed.
Why this works
Excellent — water temperature is right today, though time of day could be better.
Likely species
Mayflies
Caddisflies
Stoneflies
Hatch timeline · todayPeak at 1pm

Hatch predictions

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

Start free trial

14-day free trial. Cancel anytime.

Sub-surface · on the nymphunder the surface

Hatch predictions

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

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 4 as a supporter.

Start free trial

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 · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
2
2
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1

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.
  • Veneto Regolamento Regionale 1/2023 art
  • 29: trout and marble trout open 7 March-28 September 2026 (min
  • 22cm fario)
  • Marble trout retention is prohibited year-round under art
  • 11 comma 2, regardless of season
  • Barbless single hook standard on No-Kill and RPS water.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Cordevole
30 km
Brown trout · Marble trout
Rienza
32 km
Brown trout · Marble trout · Grayling
Piave
33 km
Brown trout · Marble trout · Grayling
Aurino
34 km
Brown trout · Marble trout · Grayling
Isel
58 km
85
Brown trout · Brook trout
Gallery · 2
  1. Italia Belluno - Valle di Cadore river Boite IMG 8339
  2. Terrain map of the venue
    Terrain map
About this water

The Piave's principal tributary alongside the Cordevole, and a proper Dolomite torrent — forty-five kilometres of dolomite and limestone dropping south through Cortina d'Ampezzo and Cadore before it joins the main river at Perarolo. Narrower and more technical than the Piave itself: tight corridors through spruce forest, short pools behind glacial boulders, wild brown trout throughout and marble trout showing occasionally as the valley opens out below Cortina. Cold, clear water that rewards a quiet approach more than a clever fly.

  • Limestone
The full read · show the working · for Brown Trout · confidence 90%
How the 84 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity72 × 12%8.6
Conditions total= 84
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 2026-03-07 → 2026-09-28
  • Marble trout 2026-03-07 → 2026-09-28
Related guides
Euro Nymphingsubsurface methods
Booking & contacts