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Trönsjön

humic brown forest lake · 59°N
Real lakereal shorelinemeasured max depth 19 m8 species on recordsizes from survey fishingreal water chemistrysources & method →
clarity 2.2 mmax depth 19 mpH 6.8oligotrophic · humicstatus goodno road · 50 min for the last stretch
Fish Trönsjön Buy forecast

Character of the water

Trönsjön lies in central Sweden — a humic brown forest lake. The tea-stained, humic water hides the bottom within an arm's length.

The surroundings

The lake lies remote, ringed by forest and bog far from any road. Few find their way here — the water is untouched and the stock undisturbed.

A small but surprisingly deep pocket (19 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Trönsjön FVOF. Day permit ~140 kr · annual permit ~700 kr.

  • Pike: keep at most one over 75 cm per day.
  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Trönsjön

perch predatory fish
typically ~12 cm · can reach 38 cm
Perch grazes the rich water in schools — where there's one, there are more.
ål fish
typically ~55 cm · can reach 110 cm
Ål works the bottom in the dark — smell and feel come before everything else.
bream coarse fish
typically ~38 cm · can reach 65 cm
Down on the bottom bream sifts the soft ground — patience beats speed here.
pike predatory fish
typically ~52 cm · can reach 52 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
ruffe perch family
typically ~12 cm · can reach 22 cm
Down on the bottom ruffe sifts the soft ground — patience beats speed here.
löja fish
typically ~12 cm · can reach 20 cm
Löja grazes the rich water in schools — where there's one, there are more.
roach coarse fish
typically ~14 cm · can reach 25 cm
Roach grazes the rich water in schools — where there's one, there are more.
sarv fish
typically ~16 cm · can reach 21 cm
The nutrient-rich water keeps sarv moving constantly between the feeding grounds.

Fishing Trönsjön

Trönsjön holds 8 species, with perch and pike at the top of the chain and ål, bream and ruffe schooling beneath them. The depth gives the water two storeys — and the fish move between them with the season.

The fishing here follows the water's own rhythm: dawn and dusk have their windows, fronts close and open them, and the season moves the fish. No two sessions at Trönsjön are alike.

General rules of thumb for this kind of water

  • Brown, humic water dampens the light — fishing can be good even in the middle of the day.
  • In deep, oxygenated lakes the predators seek cool depth in summer, shallower in spring and autumn.

The catch board

6 anglers · 12 catches
  1. 1Sabine Sjöbergål54 cm
  2. 2Roland Lundpike45 cm
  3. 3Johan Björksarv14 cm
  4. 4Mikko Brandtsarv13 cm
  5. 5Ida Månssonlöja10 cm
  6. 6Rickard Olofssonruffe9 cm
Species records here
ål54 cmSabine Sjöberg
pike45 cmRoland Lund
sarv14 cmJohan Björk
löja10 cmIda Månsson
ruffe9 cmRickard Olofsson
The same water, for real
This water's real catch reports — and the logbook for your own.Fångstrapport.sein SwedishThe real bite table for this water — for your next real session.Huggtabell.sein Swedish