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Kalvsjön

northern nutrient-rich lowland lake · 64°N
Real lakereal shorelinesources & method →
clarity 1.8 mmax depth 2 mpH 7.4eutrophicstatus unsatisfactoryforest track · 22 min for the last stretch
Fish Kalvsjön Buy forecast

Character of the water

Kalvsjön lies in the cold north — a northern nutrient-rich lowland lake.

The surroundings

The lake lies half-remote, a fair way from the nearest road, tucked into woodland.

Shallow throughout (max 2 m), with reeds and vegetation over large areas — water that warms fast in spring.

Permits & rules

Fishing permit required — Kalvsjön 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 Kalvsjön

perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
pike predatory fish
typically ~62 cm · can reach 120 cm
Pike hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
roach coarse fish
typically ~18 cm · can reach 32 cm
The nutrient-rich water keeps roach moving constantly between the feeding grounds.
zander predatory fish
typically ~50 cm · can reach 95 cm
Zander hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
bream coarse fish
typically ~38 cm · can reach 65 cm
Bream works the bottom in the dark — smell and feel come before everything else.
ruffe perch family
typically ~12 cm · can reach 22 cm
Ruffe works the bottom in the dark — smell and feel come before everything else.

Fishing Kalvsjön

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

Every session at Kalvsjön 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

6 anglers · 12 catches
  1. 1Klaus Strandpike63 cm
  2. 2Uwe Vainiopike49 cm
  3. 3Per Åbergperch19 cm
  4. 4Anders Karlssonperch18 cm
  5. 5Henrik Bergruffe10 cm
  6. 6Heike Sundinruffe10 cm
Species records here
pike49 cmUwe Vainio
perch19 cmPer Åberg
ruffe10 cmHenrik Berg
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