Gammarids
Wild brown trout in scenic, regulated water. The Plitvice connection makes this a unique ecological setting.
- Karst
Rules at a glance
- Permit required
Water temperature for Brown Trout
Ideal11°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
Hatch timeline · tomorrowPeak at 12pm
12pm(now) — Autumn Olive
Stage: On emergersApproach: Emerger or dryActivity: 30%
Peak emergence window3 food groups active
Peak activity at 12pm — Autumn Olive (Autumn Olive, Peak emergence window)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 2 as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Records-basedModerate confidence
Based on species-occurrence records, not local invertebrate surveys.
Through the year
0–3 scale · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Brown SedgeHatch
2
3
3
3
2
Small SpurwingHatch
2
3
3
3
2
Small Dark OliveHatch
2
3
3
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
Ultra-clear spring-fed rivers with large educated trout. Sight fishing, technical presentation, fine tippets. Euro-nymphing dominant subsurface method. Exceptional dry-fly windows during hatch periods. Gacka is the flagship water.
Top
6–10 · Pattern
High-confidence seasonal pick
Permits & access
Permit required — see local rules.
- Croatian fishing licence + local permit.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
![Korana — Rastoke [HR], 2014, Le cascate sul fiume Korana.](/_next/image?url=https%3A%2F%2Fswmviqpxetwziqxhzldh.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Frise-daisy%2Fbf4e9ad1-835e-4ed9-8711-f84bcdf1dd7d%2F4df4a89a-100c-4ebf-9fb1-2e95e499000b.webp&w=640&q=75)
Rastoke [HR], 2014, Le cascate sul fiume Korana. Terrain map
About this water
Water quality (WFD)
- Ecology: Good
- Chemical: Unknown
WFD classification · HRCSRN0017_006
The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow95 × 22%20.9
Clarity75 × 18%13.5
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity71 × 12%8.5
Conditions total= 84
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 March → 30 September
Related guides
Booking & contacts
Korana
![Korana — Rastoke [HR], 2014, Le cascate sul fiume Korana.](/_next/image?url=https%3A%2F%2Fswmviqpxetwziqxhzldh.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Frise-daisy%2Fbf4e9ad1-835e-4ed9-8711-f84bcdf1dd7d%2F4df4a89a-100c-4ebf-9fb1-2e95e499000b.webp&w=1920&q=75)
Downstream of the Plitvice Lakes, the Korana flows through karst terrain with tufa-dammed pools.
Water temperature for Brown Trout
Ideal11°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
Hatch timeline · tomorrowPeak at 12pm
12pm(now) — Autumn Olive
Stage: On emergersApproach: Emerger or dryActivity: 30%
Peak emergence window3 food groups active
Peak activity at 12pm — Autumn Olive (Autumn Olive, Peak emergence window)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 2 as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Records-basedModerate confidence
Based on species-occurrence records, not local invertebrate surveys.
Through the year
0–3 scale · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Brown SedgeHatch
2
3
3
3
2
Small SpurwingHatch
2
3
3
3
2
Small Dark OliveHatch
2
3
3
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
Ultra-clear spring-fed rivers with large educated trout. Sight fishing, technical presentation, fine tippets. Euro-nymphing dominant subsurface method. Exceptional dry-fly windows during hatch periods. Gacka is the flagship water.
Top
6–10 · Pattern
High-confidence seasonal pick
Permits & access
Permit required — see local rules.
- Croatian fishing licence + local permit.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Rastoke [HR], 2014, Le cascate sul fiume Korana. Terrain map
About this water
Wild brown trout in scenic, regulated water. The Plitvice connection makes this a unique ecological setting.
- Karst
Water quality (WFD)
- Ecology: Good
- Chemical: Unknown
WFD classification · HRCSRN0017_006
The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow95 × 22%20.9
Clarity75 × 18%13.5
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity71 × 12%8.5
Conditions total= 84
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 March → 30 September
Related guides
Booking & contacts
At a glance
Korana is a limestone river in Karlovačka / Plitvice, Croatia. Its recorded elevation is about 210 m above sea level and the catchment geology is karst. The species listed for this water is brown trout. The trout season is recorded as running from 1 March to 30 September. Best window recorded for anglers: May–August. Core methods listed: Upstream nymph; Dry fly. Level and flow data for this water is linked from 1 gauge. Its Water Framework Directive ecological status is recorded as good. Nearby waters in our listings include Mrežnica at 12 km, Dobra at 32 km and Vitunjčica at 35 km.