Freestone · Granite · Graubünden / Engadin, CH

Inn (Engadin)

Gravel-bar reach of the Inn river with Alpine peaks in the background, Engadin
Prime · Brown Trout
Pheasant Tail Nymph · 14-18
Primelive now
About as good as it gets
River high but settled. Coloured water — fish bigger and deeper, confident takes down the seams.
75% confidence
What moved it
  • Level1041.09 mLast reading 21h ago
  • Water temp10.9°C
  • ClarityClear
Today's fly
Pheasant Tail Nymph
Pheasant Tail Nymph14-18
Upstream
Conditions on the water
Live gauge
Level
Steady
1041.09 m
Last reading 21h ago
Water temp10.9°C
ClarityClear
Weather11°C
WindSE 12 km/h
Pressure1022 hPa
Rain · recent19.7 mm
Rain · ahead1.7 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
11°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Excellent — water temperature is right today, though insect activity could be better.
Likely species
Mayflies
Hatch timeline · todayPeak at 6am

Hatch predictions

Today's headline hatch shown — see all 8 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

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Evidence
Survey-backed · regionalModerate confidence

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

Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Alpine RhithrogenaHatch
2
3
3
2
Sculpin / Baitfish (Rivers)Hatch
2
3
3
3
3
3
3
3
2
Large Dark OliveHatch
1
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
Permits & access
Permit required — see local rules.
  • Kanton Graubünden
  • Kantonales Patent sowie die entsprechende örtliche Bewilligung erforderlich
  • Aktuelle Engadiner Regeln prüfen, statt von einer allgemeinen Graubündner Flussregelung auszugehen.
What's coming
Plan ahead
5-day outlook
Other water nearby · 3
Engadine Mountain Lakes
15 km
Brown trout · Char
Adda (Valtellina)
38 km
Brown trout · Marble trout · Grayling
Oglio (Val Camonica)
51 km
Brown trout · Marble trout · Grayling
Gallery · 2
  1. Gravel-bar reach of the Inn river with Alpine peaks in the background, Engadin
    The Inn river in the Engadin, Switzerland
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Brown Trout · confidence 75%
How the 84 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time75 × 13%9.8
Pressure80 × 7%5.6
Insect activity48 × 12%5.8
Conditions total= 84
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 1 May → 15 September
Related guides
Grayling Playbookgrayling tacticsAlpine Streamsmountain entomologyEuro Nymphingsubsurface methods
Booking & contacts