Freestone · Granite · Graubünden / Engadin

Inn (Engadin)

Inn (Engadin) terrain map
Terrain map

The Inn in the Engadin valley is one of Switzerland's finest trout rivers—clear, cold water with brown trout and grayling responding to Euro nymphing and dry-dropper work.

Prime · Brown Trout
CDC Emerger · 16-18
Primelive now
About as good as it gets
River high but settled. Coloured water — fish bigger and deeper, confident takes down the seams.
90% confidence
What moved it
  • Level1041.25 mDropping in the last 6h
  • Water temp13.0°C
  • ClarityClear
Today’s fly
CDC Emerger
CDC Emerger16-18
Dead-drift
Conditions on the water
Live gauge
Level
Steady
1041.25 m
Dropping in the last 6h
Water temp13.0°C
ClarityClear
Weather16°C
WindN 4 km/h
Pressure1024 hPa
Rain · recent9.6 mm
Rain · ahead9.5 mm

Live readings — water temperature is an estimate where the gauge does not record it.

Water temperature for brown trout
Ideal
13°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.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 11 active hatches hour by hour with Pro.

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Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July 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.
  • Graubünden Canton
  • Cantonal patent and the relevant local permission required
  • Check current Engadin rules rather than assuming one generic Graubünden river regime.
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
Engadine Mountain Lakes
15 km
Brown trout · Char
About this water

The Inn in the Engadin valley is one of Switzerland's finest trout rivers—clear, cold water with brown trout and grayling responding to Euro nymphing and dry-dropper work. The upper Engadin around St. Moritz and Zuoz is premium, the sort of alpine water that teaches you precision.

  • Granite
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 Time70 × 13%9.1
Pressure80 × 7%5.6
Insect activity59 × 12%7.1
Conditions total= 84
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout1 May → 15 September
Related guides
Grayling Playbookgrayling tacticsAlpine Streamsmountain entomologyEuro Nymphingsubsurface methods
Booking & contacts