Karkujärvi
northern acidified forest lake · 67°N
clarity 2.8 mmax depth 4 mpH 5.5mesotrophicstatus unsatisfactoryforest track · 22 min for the last stretch
Character of the water
Karkujärvi lies in the cold north — a northern acidified forest lake. Acidification has thinned life down to the hardiest few.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Shallow throughout (max 4 m), with reeds and vegetation over large areas — water that warms fast in spring.
Permits & rules
Fishing permit required — Karkujärvi FVOF. Day permit ~120 kr · annual permit ~600 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 Karkujärvi
perch predatory fish
typically ~22 cm · can reach 45 cm
Perch moves carefully in the clear water — small mouthfuls, many of them.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the clear water pike picks its moments — wary, but relentless once committed.
Fishing Karkujärvi
perch and pike sit at the top of the food chain in Karkujärvi. The clearer water makes the fish wary — and rewards a careful presentation.
The fishing here follows the water's own rhythm: dawn and dusk have their windows, fronts close and open them, and the season moves the fish. No two sessions at Karkujärvi are alike.
General rules of thumb for this kind of water
- Acidified water yields few, hardy species.
The catch board
- 1Bjørn Johansenpike53 cm
- 2Linnea Fischerpike53 cm
- 3Linnea Nieminenpike52 cm
- 4Roland Krügerpike52 cm
- 5Mats Häggperch20 cm
- 6Emil Vainioperch18 cm
Species records here
pike52 cmLinnea Nieminen
perch20 cmMats Hägg
The same water, for real
