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Gåssjö-Långsjön

acidified brown forest lake · 62°N
Real lakereal shorelinesources & method
clarity 1.9 mmax depth 15 mpH 4.9mesotrophic · humicstatus unsatisfactorygravel road

Character of the water

Gåssjö-Långsjön lies in central Sweden — a acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. In summer a thermocline settles around 7 m and splits the lake into two worlds. Acidification has thinned life down to the hardiest few.

The surroundings

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

A small but surprisingly deep pocket (15 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Gåssjö-Långsjön FVOF. Day permit ~60 kr · annual permit ~300 kr.

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

Species in Gåssjö-Långsjön

perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.

Fishing Gåssjö-Långsjön

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

Every session at Gåssjö-Långsjön 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. 1Jürgen Nilssonperch19 cm
  2. 2Jukka Sundinperch19 cm
  3. 3Roland Krügerperch19 cm
  4. 4Astrid Holmperch18 cm
  5. 5Johan Raskperch18 cm
  6. 6Emil Falkperch18 cm
The same water, for real