Angler Legend
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Mustagumbutjärnen

northern acidified brown forest lake · 64°N
Real lakereal shoreline3 species on recordreal water chemistrysources & method
clarity 2.0 mmax depth 3 mpH 5.3mesotrophic · humicstatus unsatisfactorypaved road

Character of the water

Mustagumbutjärnen 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 3 m), with reeds and vegetation over large areas — water that warms fast in spring.

Permits & rules

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

  • 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 Mustagumbutjärnen

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch grazes the rich water in schools — where there's one, there are more.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach grazes the rich water in schools — where there's one, there are more.
trout salmonids
typically ~35 cm · can reach 70 cm
In the murky light, trout shadows the baitfish and hits in short rushes.

Fishing Mustagumbutjärnen

The species list of Mustagumbutjärnen runs to 3. The predators — perch and trout — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.

Whoever fishes Mustagumbutjärnen 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. 1Rickard Brandttrout30 cm
  2. 2Erik Olofssontrout29 cm
  3. 3Axel Nyströmperch19 cm
  4. 4Hanna Viklundperch18 cm
  5. 5Kjell Björkperch18 cm
  6. 6Mikko Krügerperch18 cm
Species records here
trout30 cmRickard Brandt
perch18 cmKjell Björk
The same water, for real