Central Swiss river flowing into Lake Lucerne, limestone-clear water with brown trout. Technical fishing in water so clear the fish know you're there. Strong caddis and olive hatches.
- Limestone
Rules at a glance
- Free fishing
- Fly only
A proper day on the water
River high but settled. Match the colour and fish the seams.
45% confidence — limited data
Live now
Conditions on the water
Trends shown where the gauge supports them
Level
435.03 m
Water temp
7.8°C
Clarity
Clear
Clearing
Air temp
3°C
Wind
SE 3 km/h
Calm
Pressure
1018 hPa
Rain · 48h
2.8 mm
Light rain
Rain · ahead
4.8 mm
Light rain · next 48h
Live readings only. Trends shown where the gauge supports them.
How to fish · for grayling
The brief
When · where · method · kit
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
Good conditions. Temperature is favourable (100), Feeding time is weakest (10).
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
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.
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 grayling
Ideal7.8°Cideal 4–14°C
0°14°28°
Evidence
Why today scores what it does
6 factors, signed
- Temperature10028% weight
- Flow8022% weight
- Clarity8518% weight
- Feeding Time1013% weight
- Pressure807% weight
- Prey Activity3912% weight
About this water
Muota, end to end
Field guide · contributor-editedMuota · about
What this water is
Background · character · contributors
About this water
Muota · directions
How to get to the water
Directions
Muota · zones
Where the rules change
Seasons · zones · per-species rules
Seasons & zones
- Trout1 April → 15 September
Muota · permits
Licences, sorteo, the rules
Permits & access
Permit required — see local rules.
- Central Swiss river under cantonal rules; check the exact Schwyz and any adjoining-water requirements before fishing rather than relying on a generic central-Switzerland note.
Muota
Google Places
Central Swiss river flowing into Lake Lucerne, limestone-clear water with brown trout.
Species
A proper day on the water
River high but settled. Match the colour and fish the seams.
45% confidence — limited data
Water temperature for grayling
Ideal7.8°Cideal 4–14°C
0°14°28°
Why this score · for grayling
- Temperature10028% weight
- Flow8022% weight
- Clarity8518% weight
- Feeding Time1013% weight
- Pressure807% weight
- Prey Activity3912% weight
Conditions
Level
435.03 m
Water temp
7.8°C
Clarity
Clear
Clearing
Air temp
3°C
Wind
SE 3 km/h
Calm
Pressure
1018 hPa
Rain · 48h
2.8 mm
Light rain
Rain · ahead
4.8 mm
Light rain · next 48h
Live readings only. Trends shown where the gauge supports them.
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
Good conditions. Temperature is favourable (100), 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
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.
Gallery · 1
Terrain map
Permits & access
Permit required — see local rules.
- Central Swiss river under cantonal rules; check the exact Schwyz and any adjoining-water requirements before fishing rather than relying on a generic central-Switzerland note.
Directions
About this water
Central Swiss river flowing into Lake Lucerne, limestone-clear water with brown trout. Technical fishing in water so clear the fish know you're there. Strong caddis and olive hatches.
- Limestone
Seasons & zones
- Trout1 April → 15 September
Other water nearby · 1
Booking & contacts