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Flottjärnen

clear oligotrophic deep lake · 60°N
clarity 5.4 mmax depth 22 mpH 6.7oligotrophicstatus goodgravel road

Character of the water

Flottjärnen lies in central Sweden — a clear oligotrophic deep lake. The water is crystal-clear and the fish skittish in the sharp light. In summer a thermocline settles around 9 m and splits the lake into two worlds.

The surroundings

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

A small but surprisingly deep pocket (22 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Flottjärnen FVOF. Day permit ~100 kr · annual permit ~500 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 Flottjärnen

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch moves carefully in the clear water — small mouthfuls, many of them.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the clear water pike picks its moments — wary, but relentless once committed.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach moves carefully in the clear water — small mouthfuls, many of them.
trout salmonids
typically ~35 cm · can reach 70 cm
In the clear water trout picks its moments — wary, but relentless once committed.
whitefish whitefish
typically ~30 cm · can reach 55 cm
Whitefish holds in the open water column where light and temperature set the day.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Burbot holds the bottom even in clear water — shade and depth are its cover.

Fishing Flottjärnen

The species list of Flottjärnen runs to 6. The predators — perch, pike and trout — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.

Whoever fishes Flottjärnen 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

  • Clear water makes fish light-shy — dawn, dusk and night are usually best.
  • In deep, oxygenated lakes the predators seek cool depth in summer, shallower in spring and autumn.

The catch board

6 anglers · 12 catches
  1. 1Fredrik Hedlundburbot39 cm
  2. 2Oskar Wikströmburbot36 cm
  3. 3Mats Hansentrout29 cm
  4. 4Gustav Viklundtrout28 cm
  5. 5Maria Weberroach16 cm
  6. 6Karin Erikssonroach16 cm
Species records here
burbot39 cmFredrik Hedlund
trout28 cmGustav Viklund
roach16 cmKarin Eriksson
The same water, for real