Freestone · Limestone · Trentino-Alto Adige, IT

Adige Tributaries (Trentino)

Adige Tributaries (Trentino) — Segonzano - Avisio, Prà e Cantilaga
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
  • LevelDry recentlyNo gauge reading
  • Water temp15.3°C
  • ClarityClear
Today's fly
Hare's Ear Nymph
Hare's Ear Nymph12-16
Upstream, sub-surface
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp15.3°C
ClarityClear
Weather20°C
WindSE 4 km/h
Pressure1026 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

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

Water temperature for Brown Trout
Ideal
15°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Through the Italian trout season — afternoon hatches in spring; sedges through summer evenings; small dark flies into autumn. Tributary character varies by valley.
Where
Pool tails, riffle heads, and the cushion behind boulders. Each tributary fishes slightly differently — read the water mark by mark.
Method
Upstream nymph through the broken water; dry to risers in the glides. Italian No-Kill stretches mandate single barbless — comply or fish elsewhere.
Kit
9 to 10 ft #4 for medium freestone with Alpine clarity. Floating line, 12 ft leader to 4 to 5 lb fluoro. Studded boots — Alpine cobble runs slick.
Why this works
Excellent — conditions well-balanced, with water temperature particularly in your favour.
Likely species
Mayflies
Stoneflies
Caddisflies
Gammarids
Hatch timeline · todayPeak at 11h

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 2 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 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
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
Fly box · Brown Trout
SO
Small Olive / BWO Emerger
18-22 · Pattern
Upstream dry, in the film
Permits & access
Permit required — see local rules.
  • Italian fishing license (permesso di pesca) varies by provincia (province)
  • Barbless hooks often required on protected waters
  • Catch limits may apply.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Lake Caldonazzo
11 km
Brown trout · Char
Lake Levico
13 km
Brown trout · Char
Lake Molveno
14 km
Brown trout · Char
Sarca
19 km
Brown trout · Marble trout · Grayling
Brenta (Trentino)
25 km
86
Brown trout · Marble trout · Grayling
Gallery · 2
  1. Adige Tributaries (Trentino) — Segonzano - Avisio, Prà e Cantilaga
    Segonzano - Avisio, Prà e Cantilaga
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown
What this classification means

WFD ecological status Good → Moderate corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody ITARW02AD06500020TN (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · ITARW02AD06500020TN

The full read · show the working · for Brown Trout · confidence 90%
How the 86 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time70 × 13%9.1
Pressure80 × 7%5.6
Insect activity69 × 12%8.3
Conditions total= 86
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 2026-02-15 → 2026-10-07
  • Marble trout 2026-03-01 → 2026-09-30
Related guides
Euro Nymphingsubsurface methods
Booking & contacts