Karst river in the Dolenjska region, brown trout and grayling in clear limestone water. Slower than the alpine rivers and more technical for dry fly fishing. Good olive and caddis hatches that reward careful observation.
- River
- Limestone
Water temperature for brown trout
Ideal12.9°Cideal 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.
Why this works
Excellent — conditions well-balanced, with water temperature particularly in your favour.
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 12 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Grayling 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.
Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
- Fishing licence + permit.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 6
Krka at Krka village 
Upper Krka from the air 
Tufa islands in the Krka at Otočec 
Tufa barrier at Žužemberk, Krka 
Krka at Soteska Terrain map
About this water
Water quality (WFD)
- Ecology: Good
- Chemical: Unknown
WFD classification · SI18VT31
The full read · show the working · for brown trout · confidence 90%
How the 87 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity66 × 12%7.9
Conditions total= 87
Can you trust it?
Water temperaturelive gauge readinggauge
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
Directions
Seasons & zones
- Trout1 March → 30 September
- Grayling16 May → 30 November
Related guides
Booking & contacts
Krka
Contributor photo
Krka at Krka village
Ajznponar - CC0
Karst river in the Dolenjska region, brown trout and grayling in clear limestone water.
Water temperature for brown trout
Ideal12.9°Cideal 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.
Why this works
Excellent — conditions well-balanced, with water temperature particularly in your favour.
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 12 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Grayling 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.
Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
- Fishing licence + permit.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 6
Krka at Krka village Upper Krka from the air Tufa islands in the Krka at Otočec Tufa barrier at Žužemberk, Krka Krka at Soteska Terrain map
About this water
Karst river in the Dolenjska region, brown trout and grayling in clear limestone water. Slower than the alpine rivers and more technical for dry fly fishing. Good olive and caddis hatches that reward careful observation.
- River
- Limestone
Water quality (WFD)
- Ecology: Good
- Chemical: Unknown
WFD classification · SI18VT31
The full read · show the working · for brown trout · confidence 90%
How the 87 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity66 × 12%7.9
Conditions total= 87
Can you trust it?
Water temperaturelive gauge readinggauge
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
Directions
Seasons & zones
- Trout1 March → 30 September
- Grayling16 May → 30 November
Related guides
Booking & contacts