Knossjön
acidified forest lake · 61°N
Real lakereal shorelinemeasured max depth 20 m1 species on recordsizes from survey fishingreal water chemistrysources & method →
clarity 1.8 mmax depth 20 mpH 5.4oligotrophicstatus unsatisfactorygravel road
Character of the water
Knossjön lies in central Sweden — a acidified forest lake. Acidification has thinned life down to the hardiest few.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
A small but surprisingly deep pocket (20 m) with steep drops straight down from shore — the bottom falls away fast.
Permits & rules
Fishing permit required — Knossjön FVOF. Day permit ~60 kr · annual permit ~300 kr.
- Handheld tackle only. Respect the protected zones at the inlets and outlets.
Species in Knossjön
perch predatory fish
typically ~15 cm · can reach 26 cm
Perch moves carefully in the clear water — small mouthfuls, many of them.
Fishing Knossjön
perch sit at the top of the food chain in Knossjön. The clearer water makes the fish wary — and rewards a careful presentation.
Whoever fishes Knossjön 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
- In deep, oxygenated lakes the predators seek cool depth in summer, shallower in spring and autumn.
- Acidified water yields few, hardy species.
The catch board
- 1Sören Häggperch13 cm
- 2Gustav Karlssonperch13 cm
- 3Oskar Wagnerperch13 cm
- 4Linnea Korhonenperch12 cm
- 5Elin Viklundperch12 cm
- 6Hanna Brandtperch12 cm
The same water, for real