Spring Fed · Karst · Central Bosnia / Jajce, BA

Pliva

Pliva — Watermills Pliva Jajce Bosnia

Spring-fed karst river near the historic town of Jajce — gin-clear water with constant temperature from underground springs.

Poor · Brown Trout
Small Mayfly Nymph · 16–18
Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • LevelLight rain recentlyNo gauge reading
  • Water temp9.9°C
  • ClarityClear
Today's fly
Small Mayfly Nymph
Small Mayfly Nymph16–18
Proven pattern for this period
Conditions on the water
Estimate
Level
Light rain recently
No gauge reading
Water temp9.9°C
ClarityClear
Weather3°C
WindN 8 km/h
Pressure1021 hPa
Rain · recent9.5 mm
Rain · ahead4.9 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Water temperature for Brown Trout
Cool — slow
10°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
Mayflies
Stoneflies
Gammarids
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 6 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 4 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 as a supporter.

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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

Clear karst rivers with technical dry-fly and nymph fishing. Spring-fed systems like the Ribnik and Pliva demand fine tippets and careful presentation. The Una system adds grayling and huchen diversity.

Permits & access
Permit required — see local rules.
  • Ribolovačka dozvola (fishing permit)
  • Permits from local fishing associations, tourist offices, and hotels
  • Enquire locally.
What's coming
Plan ahead
5-day outlook
Other water nearby · 3
Sana
44 km
0
Brown trout · Grayling · Hucho
Ribnik
37 km
Brown trout · Grayling
Sana
44 km
Brown trout · Grayling · Hucho
Gallery · 2
  1. Pliva — Watermills Pliva Jajce Bosnia
    Watermills Pliva Jajce Bosnia
  2. Terrain map of the venue
    Terrain map
About this water

Brown trout and grayling in true spring-creek conditions. The Pliva's clarity demands fine tippets and careful presentation. Technical dry fly and sight nymphing in water that rewards patience and observation. Part of the emerging Bosnian fly-fishing destination circuit.

  • Karst
The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature98 × 28%27.4
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity65 × 12%7.8
Conditions total= 81
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
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 March → 30 September
Related guides
Chalkstream Playbookkarst spring river — same tacticsEuro Nymphingsubsurface methods
Booking & contacts
At a glance

Pliva is a river in Central Bosnia / Jajce, Bosnia and Herzegovina. Its recorded elevation is about 373 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: trout: 1 March – 30 September; grayling: May–December (varies locally). Core methods listed: Nymph fishing; Dry fly. Nearby waters in our listings include Ribnik at 37 km, Sana at 44 km and Sana at 44 km.