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Idijärvi

northern acidified brown forest lake · 68°N
Real lakereal shorelinesources & method
clarity 1.9 mmax depth 4 mpH 4.9oligotrophic · humicstatus unsatisfactorypaved road

Character of the water

Idijärvi lies in the cold north — a northern 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 — Idijärvi FVOF. Day permit ~60 kr · annual permit ~300 kr.

  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Idijärvi

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch grazes the rich water in schools — where there's one, there are more.

Fishing Idijärvi

perch sit at the top of the food chain in Idijärvi. The brown, humic water keeps visibility short — the fishing is more about vibration than sight.

Every session at Idijärvi is fished in whatever conditions hold right then — the same pressure, wind and light as over the real water. What bites today isn't what bit the day before, and those who return learn the water for real.

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 Lundperch20 cm
  2. 2Per Åbergperch19 cm
  3. 3Emil Wagnerperch19 cm
  4. 4Anna Blomperch18 cm
  5. 5Karl Norénperch18 cm
  6. 6Jürgen Dahlperch18 cm
The same water, for real