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Grubbtjärnen

northern acidified brown forest lake · 66°N
Real lakereal shorelinesources & method
clarity 1.6 mmax depth 7 mpH 5.4oligotrophic · humicstatus unsatisfactorypaved road

Character of the water

Grubbtjärnen 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.

Moderately deep (7 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

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

perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
pike predatory fish
typically ~62 cm · can reach 120 cm
Pike hunts by feel more than sight in the stained water — short, hard strikes close to the bait.

Fishing Grubbtjärnen

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

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 Grubbtjärnen 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.

The catch board

6 anglers · 12 catches
  1. 1Oskar Wagnerpike55 cm
  2. 2Oskar Lehmannpike53 cm
  3. 3Uwe Weberpike50 cm
  4. 4Per Sundinperch19 cm
  5. 5Mats Häggperch18 cm
  6. 6Rickard Åbergperch18 cm
Species records here
pike53 cmOskar Lehmann
perch18 cmMats Hägg
The same water, for real