Freestone · Limestone · Gorenjska / Kamnik

Kamniška Bistrica

Kamniška Bistrica — Kamniška Bistrica, spring of the Kamniška Bistrica river
Prime · Brown Trout
Elk Hair Caddis · 12-16
Primelive now
About as good as it gets
River high but settled. Coloured water — fish bigger and deeper, confident takes down the seams.
90% confidence
What moved it
  • Level50.00 mRising in the last 6h
  • Water temp15.9°C
  • ClarityClear
Today's fly
Elk Hair Caddis
Elk Hair Caddis12-16
High-confidence seasonal pick
Conditions on the water
Live gauge
Level
Steady
50.00 m
Rising in the last 6h
Water temp15.9°C
ClarityClear
Weather29°C
WindSE 10 km/h
Pressure1019 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

Live readings only. Trends shown where the gauge supports them.

Water temperature for Brown Trout
Ideal
15.9°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 — water temperature is right today, though time of day could be better.
Likely species
Mayflies
  • Large dark oliveMost likely
    #14–16 · Emerger
    Dead-drift the emerger — it's sitting in the film.
  • Blue-winged oliveAlso possible
    #16–18 · Dun
    Duns are up; a sherry spinner fall may follow.
  • Iron BlueAlso possible
    #16–18 · Dun
    Cold, grey day — the dun sits long. Good dry-fly water.
Caddisflies
  • GrannomMost likely
    #14–16 · Pupa
    Pupa first, then dries as the adults come off.
  • Net-spinning caddis (S. Europe)Also possibleLower confidence
    #12–14–16 · Pupa
    Widespread riffle net-spinner; evening emergence.
  • Satin sedgeAlso possibleLower confidence
    #12–14 · Egg-laying
    Skitter it at dusk — this one's fished, not dead-drifted.
Hatch timeline · todayPeak at 6pm

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

Top nymph shown — see all 2 guilds with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 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 · August 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.
  • RD Bistrica Domžale
  • Fly-only.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Kokra
19 km
Brown trout · Grayling · Rainbow trout
Sava (Kranj–Tacen)
20 km
Hucho · Grayling · Brown trout
Dreta
23 km
40
Brown trout · Grayling · Rainbow trout
Savinja
24 km
Brown trout · Rainbow trout · Grayling
Sora
25 km
Grayling · Brown trout · Rainbow trout
Gallery · 2
  1. Kamniška Bistrica — Kamniška Bistrica, spring of the Kamniška Bistrica river
    Kamniška Bistrica, spring of the Kamniška Bistrica river
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Brown Trout · confidence 90%
How the 83 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity66 × 12%7.9
Conditions total= 83
Can you trust it?
Water temperaturelive gauge readinggauge
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
  • Grayling 16 May → 30 November

    Slovenian common default: grayling 16 May – 30 November (lipan). Permit and fishing district controlled — dates may vary by specific water.

    Prime sport 1 September → 30 November

Related guides
Grayling Playbookgrayling tacticsAlpine Streamsmountain entomologyMarble TroutSoča system
Booking & contacts