Koltjärnen
northern nutrient-rich lowland lake · 66°N
clarity 1.2 mmax depth 4 mpH 7.4eutrophicstatus poorgravel road
Character of the water
Koltjärnen lies in the cold north — a northern nutrient-rich lowland lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Moderately deep (4 m) — shallow bays, the odd reef and a deeper channel through the middle.
Permits & rules
Fishing permit required — Koltjärnen FVOF. Day permit ~60 kr · annual permit ~300 kr.
- Zander: minimum size 45 cm · protected during the spawn (Apr–May).
- Pike: keep at most one over 75 cm per day.
- Handheld tackle only. Respect the protected zones at the inlets and outlets.
Species in Koltjärnen
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.
roach coarse fish
typically ~18 cm · can reach 32 cm
The nutrient-rich water keeps roach moving constantly between the feeding grounds.
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.
bream coarse fish
typically ~38 cm · can reach 65 cm
Bream works the bottom in the dark — smell and feel come before everything else.
Fishing Koltjärnen
The species list of Koltjärnen runs to 5. 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 Koltjärnen 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
- 1Rickard Olofssonpike54 cm
- 2Maria Häggpike50 cm
- 3Hanna Petterssonzander49 cm
- 4Bjørn Boströmzander45 cm
- 5Per Häggbream31 cm
- 6Mikael Petterssonroach14 cm
Species records here
pike50 cmMaria Hägg
zander45 cmBjørn Boström
bream31 cmPer Hägg
roach14 cmMikael Pettersson
The same water, for real
