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Grenåssjön

northern acidified brown forest lake · 64°N
Real lakereal shorelinesources & method
clarity 2.3 mmax depth 3 mpH 5.4oligotrophic · humicstatus unsatisfactorypaved road

Character of the water

Grenåssjön 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.

Shallow throughout (max 3 m), with reeds and vegetation over large areas — water that warms fast in spring.

Permits & rules

Fishing permit required — Grenåssjön 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 Grenåssjön

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.

Fishing Grenåssjön

Grenåssjön holds 2 species, with perch and pike at the top of the chain. The modest depth keeps most of the fishing within reach of the bank.

Whoever fishes Grenåssjön 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. 1Klaus Olofssonpike53 cm
  2. 2Henrik Forsbergpike53 cm
  3. 3Kjell Hedlundpike51 cm
  4. 4Kjell Krügerperch20 cm
  5. 5Sara Norénperch18 cm
  6. 6Ole Hedlundperch18 cm
Species records here
pike53 cmHenrik Forsberg
perch18 cmSara Norén
The same water, for real