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Björnsjön

southern acidified brown forest lake · 57°N
Real lakereal shorelinesources & method
clarity 2.1 mmax depth 4 mpH 5.5oligotrophic · humicstatus unsatisfactorypaved road

Character of the water

Björnsjön lies in the south — a southern acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. Acidification has thinned life down to the hardiest few.

The surroundings

The lake sits close to town with a road right up to it — easy to reach, but hard-fished and exposed to nutrient runoff from the buildings and fields all around.

Moderately deep (4 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Björnsjön 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 Björnsjön

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.

Fishing Björnsjön

Björnsjön holds 2 species, with perch and pike at the top of the chain. The modest depth keeps most of the fishing within reach of the bank.

Whoever fishes Björnsjön regularly builds something of their own: a log of what took, where and when. That's how the water gives up its patterns — cast by cast, never all at once.

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.
  • Acidified water yields few, hardy species.

The catch board

6 anglers · 12 catches
  1. 1Maria Sandströmpike56 cm
  2. 2Anders Månssonpike56 cm
  3. 3Henrik Lundpike54 cm
  4. 4Heike Korhonenpike52 cm
  5. 5Hanna Brandtpike50 cm
  6. 6Per Schmidtperch19 cm
Species records here
pike56 cmAnders Månsson
perch19 cmPer Schmidt
The same water, for real