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Marsjön

southern acidified brown forest lake · 58°N
Real lakereal shorelinesources & method
clarity 0.8 mmax depth 10 mpH 5.5oligotrophic · humicstatus poorno road · 50 min for the last stretch

Character of the water

Marsjön lies in the south — a southern 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 lies remote, ringed by forest and bog far from any road. Few find their way here — the water is untouched and the stock undisturbed.

Moderately deep (10 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Marsjön 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 Marsjön

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 Marsjön

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

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 Marsjön are alike.

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. 1Roland Lundpike56 cm
  2. 2Kjell Dahlpike54 cm
  3. 3Axel Nyströmpike53 cm
  4. 4Klaus Strandperch20 cm
  5. 5Maria Ekperch18 cm
  6. 6Sara Lehmannperch18 cm
Species records here
pike54 cmKjell Dahl
perch18 cmSara Lehmann
The same water, for real