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Søndre Slemsjøen

mesotrophic stratified lake · 61°N
Real lakereal shorelinesources & method
clarity 3.9 mmax depth 18 mpH 7.0mesotrophicstatus moderategravel road

Character of the water

Søndre Slemsjøen lies in central Sweden — a mesotrophic stratified lake. 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 (18 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Søndre Slemsjøen FVOF. Day permit ~140 kr · annual permit ~700 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 Søndre Slemsjøen

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.
vendace whitefish
typically ~16 cm · can reach 28 cm
Vendace cruises the open water — the depth it picks follows the light through 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 Søndre Slemsjøen

perch, pike and trout sit at the top of the food chain in Søndre Slemsjøen, carried by roach and vendace. The clearer water makes the fish wary — and rewards a careful presentation.

Whoever fishes Søndre Slemsjøen 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

  • Stratified, oxygen-poor lakes push the fish up above the thermocline in summer.

The catch board

6 anglers · 12 catches
  1. 1Erik Olofssonpike66 cm
  2. 2Gustav Karlssonpike50 cm
  3. 3Rickard Viklundtrout36 cm
  4. 4Linnea Häggtrout29 cm
  5. 5Stefan Åströmroach16 cm
  6. 6Per Fischerroach15 cm
Species records here
pike66 cmErik Olofsson
trout29 cmLinnea Hägg
roach15 cmPer Fischer
The same water, for real