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Stortjärnen

northern acidified brown forest lake · 64°N
Real lakereal shoreline6 species on recordsources & method
clarity 1.7 mmax depth 12 mpH 5.5oligotrophic · humicstatus unsatisfactorypaved road

Character of the water

Stortjärnen lies in the cold north — a northern acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. In summer a thermocline settles around 6 m and splits the lake into two worlds. 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.

A small but surprisingly deep pocket (12 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Stortjärnen 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 Stortjärnen

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.
grayling fish
typically ~30 cm · can reach 50 cm
The nutrient-rich water keeps grayling moving constantly between the feeding grounds.
salmon fish
typically ~65 cm · can reach 130 cm
In the murky light, salmon shadows the baitfish and hits in short rushes.
roach coarse fish
typically ~18 cm · can reach 32 cm
The nutrient-rich water keeps roach moving constantly between the feeding grounds.
Arctic char salmonids
typically ~35 cm · can reach 70 cm
Arctic char hunts by feel more than sight in the stained water — short, hard strikes close to the bait.

Fishing Stortjärnen

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

Whoever fishes Stortjärnen 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.
  • Acidified water yields few, hardy species.

The catch board

6 anglers · 12 catches
  1. 1Björn Bergpike50 cm
  2. 2Mikko KrügerArctic char29 cm
  3. 3Emil Falkgrayling24 cm
  4. 4Hanna Johansenroach15 cm
  5. 5Uwe Nilssonroach15 cm
  6. 6Per Holmroach14 cm
Species records here
pike50 cmBjörn Berg
Arctic char29 cmMikko Krüger
grayling24 cmEmil Falk
roach14 cmPer Holm
The same water, for real