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.

Species

A side-water session, not the main event

Low and clear — careful approach country. Long leader, small flies, slower casts.

50% confidence in this read
Water temperature for grayling
Cool — slow
2°C est.ideal 4–14°C
0°14°28°
Why this score · for grayling
  • Temperature2828% weight
  • Flow6022% weight
  • Clarity8518% weight
  • Feeding Time1013% weight
  • Pressure807% weight
  • Prey Activity5012% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
1.7°C
Estimated
Clarity
Clear
Air temp
-7°C
Wind
NW 6 km/h
Light breeze
Pressure
1019 hPa
Rain · 48h
0.6 mm
No meaningful rain
Rain · ahead
3.0 mm
Light rain · next 48h

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

How to fish it · for grayling
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
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Why this works
Fair conditions. Clarity is favourable (85), Feeding time is weakest (10).
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
1

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

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.
Directions
Apple MapsGoogle Maps
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
Seasons & zones
  • Trout1 May → 15 September
Other water nearby · 1
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