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Gruvdammarna

northern acidified brown forest lake · 63°N
Real lakereal shorelinesources & method
clarity 1.5 mmax depth 5 mpH 5.3eutrophic · humicstatus poorgravel road

Character of the water

Gruvdammarna lies in the cold north — a northern acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. Acidification has thinned life down to the hardiest few.

The surroundings

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

Moderately deep (5 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

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

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch grazes the rich water in schools — where there's one, there are more.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the murky light, pike shadows the baitfish and hits in short rushes.

Fishing Gruvdammarna

The species list of Gruvdammarna runs to 2. The predators — perch and pike — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.

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 Gruvdammarna are alike.

General rules of thumb for this kind of water

  • Brown, humic water dampens the light — fishing can be good even in the middle of the day.
  • Acidified water yields few, hardy species.
  • Nutrient-rich lakes hold plenty of baitfish but often murky water.

The catch board

6 anglers · 12 catches
  1. 1Gustav Åströmpike51 cm
  2. 2Erik Sandströmpike50 cm
  3. 3Erik Sjöbergperch23 cm
  4. 4Torbjörn Schmidtperch20 cm
  5. 5Nils Åbergperch18 cm
  6. 6Petra Brandtperch18 cm
Species records here
pike51 cmGustav Åström
perch23 cmErik Sjöberg
The same water, for real