Lake trout Fishing

The most prestigious target in Lake Bohinj and Lake Bled: few in number, but large.

Salmo trutta lacustris

Lake trout (Salmo trutta lacustris)
Photo: USFWS Mountain Prairie · Public domain · Wikimedia Commons

Season calendar

Jan
Feb
MarAprMayJunJulAugSep
Oct
Nov
Dec

Active periodSpawning period — release what you catch

Season
March–September
Water temperature
4–14 °C
Spawning
October–December
Behaviour
Cold water, feeds on the drift

Techniques

  • Trolling
  • Deep Trolling
  • Spinning

Rules

  • National minimum size 40 cm, closed season 1 October to 31 March.
  • On Lake Bled RD Bled is stricter: one fish per day and a 50 cm minimum.

Timing

  • April to June: water 6-12 C, fish at 3-15 m, the prime window.
  • July to August: it drops to 20-35 m and a downrigger is needed.
  • September: it rises again, but the closed season is close.

Where

  • Stream mouths (the key spot in spring), steep shore edges and submerged ridges.
  • On Bohinj the Savica inflow and the deep western basin are the classics.

Technique

  • Slow trolling at 2-3.5 km/h with 9-14 cm long spoons or minnow plugs.
  • Shore spinning: 12-20 g slim spoons at dawn and dusk on the windward shore.
  • In clear Alpine water a 0.20-0.25 mm fluorocarbon leader makes the difference.
  • Night fishing is banned inside Triglav National Park; read the permit rules.

Frequently asked

When is the best time to catch lake trout?
The productive window for lake trout runs March–September. October–December is the spawning period; releasing your catch during these months is strongly advised.
What water temperature does lake trout feed in?
Lake trout is most active between 4 and 14 °C. Outside that band its feeding rate drops off.
How do you fish for lake trout?
Common methods: Trolling, Deep Trolling, Spinning.

Species that fish under similar conditions