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Vallentunasjön

nutrient-rich lowland lake · 60°N
Real lakereal shorelinemeasured max depth 6 m14 species on recordsizes from survey fishingreal water chemistrysources & method →
clarity 0.8 mmax depth 6 mpH 8.1eutrophicstatus poorno road · 50 min for the last stretch
Fish Vallentunasjön Buy forecast

Character of the water

Vallentunasjön lies in central Sweden — a nutrient-rich lowland lake. In summer a thermocline settles around 3 m and splits the lake into two worlds.

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.

Moderately deep (6 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Vallentunasjön FVOF. Day permit ~60 kr · annual permit ~300 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 Vallentunasjön

perch predatory fish
typically ~6 cm · can reach 44 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
ål fish
typically ~55 cm · can reach 110 cm
Down on the bottom ål sifts the soft ground — patience beats speed here.
björkna fish
typically ~13 cm · can reach 29 cm
Björkna works the bottom in the dark — smell and feel come before everything else.
bream coarse fish
typically ~19 cm · can reach 55 cm
Bream works the bottom in the dark — smell and feel come before everything else.
pike predatory fish
typically ~70 cm · can reach 87 cm
Pike hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
ruffe perch family
typically ~9 cm · can reach 14 cm
Ruffe works the bottom in the dark — smell and feel come before everything else.
zander predatory fish
typically ~19 cm · can reach 77 cm
Zander hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Down on the bottom burbot sifts the soft ground — patience beats speed here.
löja fish
typically ~11 cm · can reach 18 cm
The nutrient-rich water keeps löja moving constantly between the feeding grounds.
roach coarse fish
typically ~11 cm · can reach 30 cm
The nutrient-rich water keeps roach moving constantly between the feeding grounds.
nors fish
typically ~12 cm · can reach 22 cm
Nors follows the schools through open water — here today, gone tomorrow.
ruda fish
typically ~34 cm · can reach 39 cm
Ruda works the bottom in the dark — smell and feel come before everything else.
sarv fish
typically ~14 cm · can reach 34 cm
Sarv grazes the rich water in schools — where there's one, there are more.
sutare fish
typically ~47 cm · can reach 47 cm
Sutare works the bottom in the dark — smell and feel come before everything else.

Fishing Vallentunasjön

perch, pike and zander sit at the top of the food chain in Vallentunasjön, carried by ål, björkna and bream. The nutrient-rich water means plenty of baitfish — and predators that grow fat on them.

Every session at Vallentunasjön 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

  • Stratified, oxygen-poor lakes push the fish up above the thermocline in summer.
  • Nutrient-rich lakes hold plenty of baitfish but often murky water.

The catch board

6 anglers · 12 catches
  1. 1Per Nieminenburbot36 cm
  2. 2Jukka Sandströmruda26 cm
  3. 3Elin Åbergnors10 cm
  4. 4Elin Månssonnors10 cm
  5. 5Mikko Norénnors10 cm
  6. 6Magnus Hedlundlöja10 cm
Species records here
burbot36 cmPer Nieminen
ruda26 cmJukka Sandström
nors10 cmElin Månsson
löja10 cmMagnus Hedlund
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