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Rostokkajärvi

northern clear oligotrophic forest lake · 67°N
Real lakereal shorelinesources & method
clarity 5.8 mmax depth 10 mpH 6.7oligotrophicstatus goodpaved road

Character of the water

Rostokkajärvi lies in the cold north — a northern clear oligotrophic forest lake. The water is crystal-clear and the fish skittish in the sharp light. In summer a thermocline settles around 5 m and splits the lake into two worlds.

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

Permits & rules

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

  • Pike: keep at most one over 75 cm per day.
  • Trout & Arctic char: protected during the autumn spawn · catch-and-release on certain stretches.
  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Rostokkajärvi

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.
trout salmonids
typically ~35 cm · can reach 70 cm
Trout is a sight-hunter here — the clear water means long follows before the take.

Fishing Rostokkajärvi

The species list of Rostokkajärvi runs to 4. The predators — perch, pike and trout — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.

Whoever fishes Rostokkajärvi 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

  • Clear water makes fish light-shy — dawn, dusk and night are usually best.

The catch board

6 anglers · 12 catches
  1. 1Emil Åströmpike49 cm
  2. 2Jukka Vogeltrout34 cm
  3. 3Elin Åbergtrout30 cm
  4. 4Lars Wagnertrout28 cm
  5. 5Mats Bergperch19 cm
  6. 6Axel Petterssonroach16 cm
Species records here
pike49 cmEmil Åström
trout34 cmJukka Vogel
perch19 cmMats Berg
roach16 cmAxel Pettersson
The same water, for real