Angler Legend
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Kassjön

clear oligotrophic deep lake · 63°N
Real lakereal shorelinemeasured max depth 34 m4 species on recordsources & method
clarity 7.2 mmax depth 34 mpH 6.7oligotrophicstatus goodpaved road

Character of the water

Kassjön lies in central Sweden — a clear oligotrophic deep lake. The water is crystal-clear and the fish skittish in the sharp light.

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 (34 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Kassjön 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 Kassjön

pike predatory fish
typically ~62 cm · can reach 120 cm
In the clear water pike picks its moments — wary, but relentless once committed.
ruffe perch family
typically ~12 cm · can reach 22 cm
Ruffe lives down in the cool — the deep is its home ground all year.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Burbot holds the bottom even in clear water — shade and depth are its cover.
whitefish whitefish
typically ~30 cm · can reach 55 cm
Whitefish holds in the open water column where light and temperature set the day.

Fishing Kassjön

pike and burbot sit at the top of the food chain in Kassjön, carried by ruffe and whitefish. The clearer water makes the fish wary — and rewards a careful presentation.

Whoever fishes Kassjön 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. 1Anna Vainiopike54 cm
  2. 2Klaus Strandburbot51 cm
  3. 3Oskar Lehmannburbot37 cm
  4. 4Lars Holmwhitefish25 cm
  5. 5Wolfgang Ekwhitefish24 cm
  6. 6Axel Lindqvistruffe10 cm
Species records here
pike54 cmAnna Vainio
burbot37 cmOskar Lehmann
whitefish25 cmLars Holm
ruffe10 cmAxel Lindqvist
The same water, for real