Ostjärn
southern mesotrophic lake · 58°N
clarity 2.7 mmax depth 8 mpH 7.0mesotrophicstatus goodpaved road
Character of the water
Ostjärn lies in the south — a southern mesotrophic lake.
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 (8 m) — shallow bays, the odd reef and a deeper channel through the middle.
Permits & rules
Fishing permit required — Ostjärn 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 Ostjärn
perch predatory fish
typically ~22 cm · can reach 45 cm
Here perch lives on the small stuff — and rewards those who fish small and fine.
pike predatory fish
typically ~62 cm · can reach 120 cm
Pike is a sight-hunter here — the clear water means long follows before the take.
roach coarse fish
typically ~18 cm · can reach 32 cm
Here roach lives on the small stuff — and rewards those who fish small and fine.
zander predatory fish
typically ~50 cm · can reach 95 cm
Zander is a sight-hunter here — the clear water means long follows before the take.
Fishing Ostjärn
The species list of Ostjärn runs to 4. 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.
Whoever fishes Ostjärn 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.
The catch board
- 1Maria Weberpike49 cm
- 2Sören Björkzander43 cm
- 3Björn Boströmzander40 cm
- 4Erik Holmperch18 cm
- 5Jürgen Hansenroach14 cm
- 6Gustav Karlssonroach14 cm
Species records here
pike49 cmMaria Weber
zander40 cmBjörn Boström
perch18 cmErik Holm
roach14 cmJürgen Hansen
The same water, for real