Trollsjön
nutrient-rich lowland lake · 63°N
clarity 2.3 mmax depth 3 mpH 7.4eutrophicstatus unsatisfactorygravel road
Character of the water
Trollsjön lies in central Sweden — a nutrient-rich lowland lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Shallow throughout (max 3 m), with reeds and vegetation over large areas — water that warms fast in spring.
Permits & rules
Fishing permit required — Trollsjön FVOF. Day permit ~100 kr · annual permit ~500 kr.
- Zander: minimum size 45 cm · protected during the spawn (Apr–May).
- Pike: keep at most one over 75 cm per day.
- Handheld tackle only. Respect the protected zones at the inlets and outlets.
Species in Trollsjön
perch predatory fish
typically ~22 cm · can reach 45 cm
Perch grazes the rich water in schools — where there's one, there are more.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach grazes the rich water in schools — where there's one, there are more.
zander predatory fish
typically ~50 cm · can reach 95 cm
In the murky light, zander shadows the baitfish and hits in short rushes.
bream coarse fish
typically ~38 cm · can reach 65 cm
Down on the bottom bream sifts the soft ground — patience beats speed here.
ruffe perch family
typically ~12 cm · can reach 22 cm
Down on the bottom ruffe sifts the soft ground — patience beats speed here.
Fishing Trollsjön
The species list of Trollsjön runs to 6. The predators — perch, pike and zander — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.
Every session at Trollsjön is fished in whatever conditions hold right then — the same pressure, wind and light as over the real water. What bites today isn't what bit the day before, and those who return learn the water for real.
General rules of thumb for this kind of water
- Nutrient-rich lakes hold plenty of baitfish but often murky water.
The catch board
- 1Sara Johansenpike63 cm
- 2Sara Fischerbream30 cm
- 3Magnus Hedlundperch22 cm
- 4Maria Erikssonperch18 cm
- 5Axel Forsbergroach17 cm
- 6Roland Holmruffe12 cm
Species records here
pike63 cmSara Johansen
bream30 cmSara Fischer
perch18 cmMaria Eriksson
roach17 cmAxel Forsberg
ruffe12 cmRoland Holm
The same water, for real
