Rötjärn
nutrient-rich lowland lake · 61°N
clarity 1.0 mmax depth 3 mpH 7.4eutrophicstatus poorforest track · 22 min for the last stretch
Character of the water
Rötjärn lies in central Sweden — a nutrient-rich lowland lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Shallow throughout (max 3 m), with reeds and vegetation over large areas — water that warms fast in spring.
Permits & rules
Fishing permit required — Rötjärn FVOF. Day permit ~140 kr · annual permit ~700 kr.
- Zander: minimum size 45 cm · protected during the spawn (Apr–May).
- 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 Rötjärn
perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
asp fish
typically ~48 cm · can reach 90 cm
Asp hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
bream coarse fish
typically ~38 cm · can reach 65 cm
Bream works the bottom in the dark — smell and feel come before everything else.
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.
zander predatory fish
typically ~50 cm · can reach 95 cm
Zander hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
grayling fish
typically ~30 cm · can reach 50 cm
The nutrient-rich water keeps grayling moving constantly between the feeding grounds.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Down on the bottom burbot sifts the soft ground — patience beats speed here.
trout salmonids
typically ~35 cm · can reach 70 cm
Trout hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
regnbåge fish
typically ~35 cm · can reach 70 cm
In the murky light, regnbåge shadows the baitfish and hits in short rushes.
Arctic char salmonids
typically ~35 cm · can reach 70 cm
Arctic char hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
whitefish whitefish
typically ~30 cm · can reach 55 cm
Whitefish roams the open water after the feed — a moving target.
Fishing Rötjärn
The species list of Rötjärn runs to 11. The predators — perch, pike and zander — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.
Whoever fishes Rötjärn 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
- Nutrient-rich lakes hold plenty of baitfish but often murky water.
The catch board
- 1Hanna Johansenbream35 cm
- 2Magnus Johansenbream34 cm
- 3Kjell Hedlundbream33 cm
- 4Anna Nyströmtrout31 cm
- 5Per Bakkebream30 cm
- 6Astrid Nieminenwhitefish24 cm
Species records here
trout31 cmAnna Nyström
bream30 cmPer Bakke
whitefish24 cmAstrid Nieminen
The same water, for real
