Spate · Granite · Valais, CH

Valais Alpine Streams

Valais Alpine Streams — Stream above Binn VS
Poor · Brown Trout
Pheasant Tail Nymph · 14-18
Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • LevelProxyvia Arc
  • Water temp9.1°C
  • ClarityClear
Today's fly
Pheasant Tail Nymph
Pheasant Tail Nymph14-18
Upstream
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Arc
Water temp9.1°C
ClarityClear
Weather7°C
WindN 2 km/h
Pressure1024 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

No gauge on this water — conditions are inferred from Arc. The trend transfers, the absolute level does not.

Water temperature for Brown Trout
Cool — slow
9°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.
Likely species
Mayflies
Stoneflies
Caddisflies
Gammarids
Hatch timeline · todayPeak at 11:00

Hatch predictions

Today's headline hatch shown — see all 7 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 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 · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
1
Autumn DunHatch
2
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2

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

Ranked for today
Fly box · Brown Trout
Permits & access
Permit required — see local rules.
  • Valais Canton high-altitude streams
  • Patent (Valais) + permit required
  • Remote locations.
What's coming
Plan ahead
5-day outlook
Other water nearby · 4
Rhône Headwaters
40 km
0
Brown trout
Lake Thun
45 km
Brown trout · Lake trout · Char
Lake Brienz
53 km
Brown trout · Lake trout · Char
Lys
54 km
Rainbow trout
Gallery · 2
  1. Valais Alpine Streams — Stream above Binn VS
    Stream above Binn VS
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature84 × 28%23.5
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity40 × 12%4.8
Conditions total= 74
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Arcproxy
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 June → 30 September
Related guides
Alpine Streamsmountain entomologyEuro Nymphingsubsurface methods
Booking & contacts