Spate · Limestone · Serbia / Western Serbia (Ljubovija)

Trešnjica Gorge

Trešnjica Gorge terrain map
Terrain map

Small gorge river flowing through narrow limestone gorge before joining the Drina—steep, intimate canyon fishing with plunge pools, pockets and fast runs.

Marginal · Brown Trout
CDC Emerger · 16-18
Marginallive now
Slow going — pick your moments
Low and clear — careful approach country. Cover and shadow are doing the work today.
80% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp18.2°C
  • ClarityClear
Today’s fly
CDC Emerger
CDC Emerger16-18
Proven pattern for this period
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp18.2°C
ClarityClear
Weather19°C
WindSE 8 km/h
Pressure1015 hPa
Rain · recent0.0 mm
Rain · ahead35.2 mm

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

Water temperature for brown trout
Warm — slow
18°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.
Why this works
⚠️ Water at 18.2°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots. Otherwise poor — water clarity is in the right range.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 8 active hatches hour by hour with Pro.

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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
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2

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 plus the relevant local association permit
  • Check the current district and gorge-specific rules before travel.
What's coming
Plan ahead
5-day outlook
Water here around 18°C. Nothing cooler within range — carry a thermometer.
About this water

Small gorge river flowing through narrow limestone gorge before joining the Drina—steep, intimate canyon fishing with plunge pools, pockets and fast runs. Brown and rainbow trout in tight canyon water. The gorge is known as habitat for the griffon vulture, adding to the wild character. Check locally for current permit arrangements and season.

  • Limestone
The full read · show the working · for brown trout · confidence 80%
How the 39 is built — score × weight = contribution
Temperature53 × 28%14.8
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity57 × 12%6.8
Conditions total= 68
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Troutcheck current local association rules → check current local association rules
Related guides
Euro Nymphingsubsurface methods
Booking & contacts