Water temperature for Barbel
Ideal19°C est.ideal 16–24°C
0°14°28°
How to fish it · for Barbel
When
May–September
Where
The Mostnica cuts a slot gorge above Stara Fužina before it settles into the Bohinjka — most people know it for the gorge walk, which means the fishing gets…
Why this works
Barbel: comfort conditions look perfect. Stable flow — fishable but not the prime trigger.
Hatch timeline · todayPeak at 6am
Hatch predictions
Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.
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Sub-surface · on the nymphunder the surface
Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Alpine RhithrogenaHatch
1
2
2
1
Large Dark OliveHatch
1
2
2
1
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Permits & access
Permit required — see local rules.
- RD Bohinj
- Fly-only, barbless
- Gorge reach is a tourist walk, not practically fishable.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Mostnica Gorge Terrain map
The full read · show the working · for Barbel · confidence 65%
Perfect · river comfort — temperature and flow led
Water temperatureWater temp 18.8°C — prime band for barbel.
FlowStable flow — fishable but not the prime trigger.
LightSun on the water — favoured for sight-fishing and warming.
SeasonPrime month for this species.
Water clarityWater clarity clear — read accordingly for barbel.
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Directions
Seasons & zones
- Trout 1 March → 30 September
- Marble trout 1 April → 31 October
Related guides
Booking & contacts
Mostnica
Water temperature for Barbel
Ideal19°C est.ideal 16–24°C
0°14°28°
How to fish it · for Barbel
When
May–September
Where
The Mostnica cuts a slot gorge above Stara Fužina before it settles into the Bohinjka — most people know it for the gorge walk, which means the fishing gets…
Why this works
Barbel: comfort conditions look perfect. Stable flow — fishable but not the prime trigger.
Hatch timeline · todayPeak at 6am
Hatch predictions
Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Sub-surface · on the nymphunder the surface
Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Alpine RhithrogenaHatch
1
2
2
1
Large Dark OliveHatch
1
2
2
1
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Permits & access
Permit required — see local rules.
- RD Bohinj
- Fly-only, barbless
- Gorge reach is a tourist walk, not practically fishable.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Mostnica Gorge Terrain map
The full read · show the working · for Barbel · confidence 65%
Perfect · river comfort — temperature and flow led
Water temperatureWater temp 18.8°C — prime band for barbel.
FlowStable flow — fishable but not the prime trigger.
LightSun on the water — favoured for sight-fishing and warming.
SeasonPrime month for this species.
Water clarityWater clarity clear — read accordingly for barbel.
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Directions
Seasons & zones
- Trout 1 March → 30 September
- Marble trout 1 April → 31 October
Related guides
Booking & contacts