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Kalltjärnen

northern acidified brown forest lake · 65°N
Real lakereal shoreline1 species on recordsources & method
clarity 0.8 mmax depth 2 mpH 4.6mesotrophic · humicstatus poorpaved road

Character of the water

Kalltjärnen 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 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 — Kalltjärnen FVOF. Day permit ~60 kr · annual permit ~300 kr.

  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Kalltjärnen

perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.

Fishing Kalltjärnen

perch sit at the top of the food chain in Kalltjärnen. The brown, humic water keeps visibility short — the fishing is more about vibration than sight.

Whoever fishes Kalltjärnen 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

  • Brown, humic water dampens the light — fishing can be good even in the middle of the day.
  • Acidified water yields few, hardy species.

The catch board

6 anglers · 12 catches
  1. 1Hanna Lindqvistperch20 cm
  2. 2Per Bakkeperch19 cm
  3. 3Petra Ekperch19 cm
  4. 4Ole Brandtperch18 cm
  5. 5Jürgen Dahlperch18 cm
  6. 6Jukka Åbergperch18 cm
The same water, for real