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Stora Kopparetjärnen

acidified forest lake · 60°N
Real lakereal shoreline9 species on recordsources & method
clarity 4.0 mmax depth 2 mpH 5.2mesotrophicstatus unsatisfactorypaved road

Character of the water

Stora Kopparetjärnen lies in central Sweden — a acidified forest lake. Acidification has thinned life down to the hardiest few.

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.

Shallow throughout (max 2 m), with reeds and vegetation over large areas — water that warms fast in spring.

Permits & rules

Fishing permit required — Stora Kopparetjärnen 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 Stora Kopparetjärnen

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch moves carefully in the clear water — small mouthfuls, many of them.
ål fish
typically ~55 cm · can reach 110 cm
Ål holds the bottom even in clear water — shade and depth are its cover.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the clear water pike picks its moments — wary, but relentless once committed.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Burbot holds the bottom even in clear water — shade and depth are its cover.
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.
Arctic char salmonids
typically ~35 cm · can reach 70 cm
In the clear water Arctic char 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.
vendace whitefish
typically ~16 cm · can reach 28 cm
Vendace cruises the open water — the depth it picks follows the light through the day.

Fishing Stora Kopparetjärnen

perch, pike and burbot sit at the top of the food chain in Stora Kopparetjärnen, carried by ål, roach and whitefish. The clearer water makes the fish wary — and rewards a careful presentation.

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 Kopparetjärnen are alike.

General rules of thumb for this kind of water

  • Acidified water yields few, hardy species.

The catch board

6 anglers · 12 catches
  1. 1Mats Lindqvistwhitefish24 cm
  2. 2Fredrik Krügerwhitefish24 cm
  3. 3Magnus Forsbergperch18 cm
  4. 4Maria Webervendace15 cm
  5. 5Maria Holmvendace13 cm
  6. 6Johan Karlssonvendace13 cm
Species records here
whitefish24 cmFredrik Krüger
perch18 cmMagnus Forsberg
vendace13 cmJohan Karlsson
The same water, for real