Frans-Jonskärret
northern mesotrophic lake · 65°N
clarity 3.5 mmax depth 2 mpH 7.0mesotrophicstatus goodgravel road
Character of the water
Frans-Jonskärret 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.
Shallow throughout (max 2 m), with reeds and vegetation over large areas — water that warms fast in spring.
Permits & rules
Fishing permit required — Frans-Jonskärret 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 Frans-Jonskärret
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.
ruffe perch family
typically ~12 cm · can reach 22 cm
Ruffe lives down in the cool — the deep is its home ground all year.
Fishing Frans-Jonskärret
perch, pike and zander sit at the top of the food chain in Frans-Jonskärret, carried by roach and ruffe. The clearer water makes the fish wary — and rewards a careful presentation.
Whoever fishes Frans-Jonskärret 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
- 1Bjørn Ekpike54 cm
- 2Sara Holmperch18 cm
- 3Linnea Vogelroach16 cm
- 4Emil Vainioroach15 cm
- 5Ole Krügerroach14 cm
- 6Torbjörn Schmidtruffe10 cm
Species records here
pike54 cmBjørn Ek
perch18 cmSara Holm
roach15 cmEmil Vainio
ruffe10 cmTorbjörn Schmidt
The same water, for real
