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Stora Grundtjärnen

northern mesotrophic stratified lake · 65°N
Real lakereal shorelinesources & method →
clarity 2.9 mmax depth 14 mpH 7.0mesotrophicstatus moderategravel road
Fish Stora Grundtjärnen Buy forecast

Character of the water

Stora Grundtjärnen lies in the cold north — a northern mesotrophic stratified lake. In summer a thermocline settles around 7 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 (14 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

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

  • Zander: minimum size 45 cm · protected during the spawn (Apr–May).
  • Pike: keep at most one over 75 cm per day.
  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Stora Grundtjärnen

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.
zander predatory fish
typically ~50 cm · can reach 95 cm
In the clear water zander picks its moments — wary, but relentless once committed.

Fishing Stora Grundtjärnen

Stora Grundtjärnen holds 4 species, with perch, pike and zander at the top of the chain and roach schooling beneath them. The modest depth keeps most of the fishing within reach of the bank.

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 Stora Grundtjärnen are alike.

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. 1Tomas Lehmannzander47 cm
  2. 2Magnus Lehmannroach18 cm
  3. 3Fredrik Björkperch18 cm
  4. 4Uwe Nilssonroach16 cm
  5. 5Andreas Petterssonroach15 cm
  6. 6Nils Åbergroach15 cm
Species records here
zander47 cmTomas Lehmann
perch18 cmFredrik Björk
roach15 cmNils Åberg
The same water, for real
This water's real catch reports — and the logbook for your own.Fångstrapport.sein SwedishThe real bite table for this water — for your next real session.Huggtabell.sein Swedish