Isomaanjärvi
northern mesotrophic lake · 68°N
clarity 4.0 mmax depth 7 mpH 7.0mesotrophicstatus goodgravel road
Character of the water
Isomaanjärvi lies in the cold north — a northern mesotrophic lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Moderately deep (7 m) — shallow bays, the odd reef and a deeper channel through the middle.
Permits & rules
Fishing permit required — Isomaanjärvi FVOF. Day permit ~100 kr · annual permit ~500 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 Isomaanjärvi
perch predatory fish
typically ~22 cm · can reach 45 cm
Perch moves carefully in the clear water — small mouthfuls, many of them.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the clear water pike picks its moments — wary, but relentless once committed.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach moves carefully in the clear water — small mouthfuls, many of them.
zander predatory fish
typically ~50 cm · can reach 95 cm
In the clear water zander picks its moments — wary, but relentless once committed.
Fishing Isomaanjärvi
perch, pike and zander sit at the top of the food chain in Isomaanjärvi, carried by roach. The clearer water makes the fish wary — and rewards a careful presentation.
Whoever fishes Isomaanjärvi 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.
The catch board
- 1Lars Weberperch20 cm
- 2Jonas Krügerperch20 cm
- 3Stefan Olofssonperch18 cm
- 4Sören Ekperch18 cm
- 5Björn Falkroach14 cm
- 6Jonas Johansenroach14 cm
Species records here
perch18 cmStefan Olofsson
roach14 cmBjörn Falk
The same water, for real
