Freestone · Limestone · Primorska / Tolmin

River Trebuščica

River Trebuščica terrain map
Terrain map

Small limestone tributary, marble trout conservation zone.

Species

A side-water session, not the main event

Low and clear — careful approach country. Long leader, small flies, slower casts.

75% confidence in this read
Water temperature for marble trout
Cool — slow
7°C est.ideal 8–13°C
0°14°28°
Why this score · for marble trout
  • Temperature6128% weight
  • Flow6022% weight
  • Clarity9518% weight
  • Feeding Time4013% weight
  • Pressure807% weight
  • Prey Activity3012% weight
Conditions
Level
Light rain recently
No gauge reading
Water temp
6.6°C
Estimated
Clarity
Clear
Air temp
2°C
Wind
NE 10 km/h
Light breeze
Pressure
1012 hPa
Rain · 48h
2.2 mm
Light rain
Rain · ahead
0.3 mm
No meaningful rain · next 48h

Live readings — water temperature is an estimate where the gauge does not record it.

How to fish it · for marble 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
Good conditions. Clarity is favourable (95), Prey activity is weakest (30).
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
1

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Permits & access
Permit required — see local rules.
  • Fishing licence + permit.
Directions
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About this water

Small limestone tributary, marble trout conservation zone. The sort of intimate water where restraint and respect matter more than technique.

  • River
  • Limestone
Seasons & zones
  • Trout1 March → 30 September
  • Marble trout1 April → 31 October
Other water nearby · 5
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