Angler Legend
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Koskumajärvi

northern humic brown forest lake · 68°N
Real lakereal shorelinesources & method
clarity 1.0 mmax depth 7 mpH 5.9mesotrophic · humicstatus unsatisfactoryforest track · 22 min for the last stretch

Character of the water

Koskumajärvi lies in the cold north — a northern humic brown forest lake. The tea-stained, humic water hides the bottom within an arm's length.

The surroundings

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

Moderately deep (7 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Koskumajärvi FVOF. Day permit ~100 kr · annual permit ~500 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 Koskumajärvi

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.

Fishing Koskumajärvi

perch and pike sit at the top of the food chain in Koskumajärvi, carried by roach. The brown, humic water keeps visibility short — the fishing is more about vibration than sight.

Whoever fishes Koskumajärvi 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.

The catch board

6 anglers · 12 catches
  1. 1Andreas Olofssonperch20 cm
  2. 2Torbjörn Karlssonperch19 cm
  3. 3Wolfgang Olofssonperch18 cm
  4. 4Lars Strandperch18 cm
  5. 5Maria Häggroach15 cm
  6. 6Sören Björkroach14 cm
Species records here
perch18 cmWolfgang Olofsson
roach14 cmSören Björk
The same water, for real