Upper Rhône in Valais flowing from the Rhône glacier, glacially-influenced water turning milky in peak summer melt. Best in early season and autumn when the glacier calms. Wild brown trout in high alpine water.
- Granite
Rules at a glance
- Free fishing
- Fly only
Closed season
Season reopens 1 June. Plenty of other water available now.
Closed — confidence not applicable today.
Live now
Conditions on the water
Trends shown where the gauge supports them
Level
1755.77 m
Water temp
2.3°C
Estimated
Clarity
Clear
Air temp
-1°C
Wind
N 4 km/h
Calm
Pressure
1017 hPa
Rain · 48h
0.8 mm
No meaningful rain
Rain · ahead
0.4 mm
No meaningful rain · next 48h
Live readings — water temperature is an estimate where the gauge does not record it.
How to fish · for brown trout
The brief
When · where · method · kit
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.
Hatches & runs
What's on, when
Twelve months at a glance
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
1
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Today's fly · curated pack
Top pattern + the box
3 patterns from this venue's curated pack
Detail · next 12h
Water temperature & rain
The two readings most likely to move the verdict
Water temperature for brown trout
Cool — slow2°C est.ideal 10–16°C
0°14°28°
Evidence
Why today scores what it does
6 factors, signed
- Temperature128% weight
- Flow8022% weight
- Clarity9518% weight
- Feeding Time5013% weight
- Pressure807% weight
- Prey Activity1112% weight
About this water
Rhône Headwaters, end to end
Field guide · contributor-editedRhône Headwaters · about
What this water is
Background · character · contributors
About this water
Rhône Headwaters · directions
How to get to the water
Directions
Rhône Headwaters · zones
Where the rules change
Seasons · zones · per-species rules
Seasons & zones
- TroutJune → 30 September
Rhône Headwaters · permits
Licences, sorteo, the rules
Permits & access
Permit required — see local rules.
- Valais Alpine headwaters
- Patent (Valais) + fishing permit required
- Remote access.
Rhône Headwaters
Terrain map
Upper Rhône in Valais flowing from the Rhône glacier, glacially-influenced water turning milky in peak summer melt.
Species
Closed season
Season reopens 1 June. Plenty of other water available now.
Closed — confidence not applicable today.
Water temperature for brown trout
Cool — slow2°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
- Temperature128% weight
- Flow8022% weight
- Clarity9518% weight
- Feeding Time5013% weight
- Pressure807% weight
- Prey Activity1112% weight
Conditions
Level
1755.77 m
Water temp
2.3°C
Estimated
Clarity
Clear
Air temp
-1°C
Wind
N 4 km/h
Calm
Pressure
1017 hPa
Rain · 48h
0.8 mm
No meaningful rain
Rain · ahead
0.4 mm
No meaningful rain · next 48h
Live readings — water temperature is an estimate where the gauge does not record it.
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.
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
1
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Permits & access
Permit required — see local rules.
- Valais Alpine headwaters
- Patent (Valais) + fishing permit required
- Remote access.
Directions
About this water
Upper Rhône in Valais flowing from the Rhône glacier, glacially-influenced water turning milky in peak summer melt. Best in early season and autumn when the glacier calms. Wild brown trout in high alpine water.
- Granite
Seasons & zones
- TroutJune → 30 September
Other water nearby · 3
Booking & contacts