Koltjärnen
northern nutrient-rich lowland lake · 64°N
clarity 2.7 mmax depth 4 mpH 7.4eutrophicstatus unsatisfactorygravel 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 ~120 kr · annual permit ~600 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
Perch grazes the rich water in schools — where there's one, there are more.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach grazes the rich water in schools — where there's one, there are more.
zander predatory fish
typically ~50 cm · can reach 95 cm
In the murky light, zander shadows the baitfish and hits in short rushes.
bream coarse fish
typically ~38 cm · can reach 65 cm
Down on the bottom bream sifts the soft ground — patience beats speed here.
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
- 1Karin Ekpike55 cm
- 2Elin Nieminenbream35 cm
- 3Per Nieminenbream31 cm
- 4Anna Nyströmperch20 cm
- 5Henrik Nyströmperch20 cm
- 6Mats Lindqvistroach14 cm
Species records here
pike55 cmKarin Ek
bream31 cmPer Nieminen
perch20 cmHenrik Nyström
roach14 cmMats Lindqvist
The same water, for real
