Knopp-Långsjön
mesotrophic lake · 62°N
clarity 3.3 mmax depth 16 mpH 7.0mesotrophicstatus goodgravel road
Character of the water
Knopp-Långsjön lies in central Sweden — a mesotrophic lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
A small but surprisingly deep pocket (16 m) with steep drops straight down from shore — the bottom falls away fast.
Permits & rules
Fishing permit required — Knopp-Långsjön FVOF. Day permit ~100 kr · annual permit ~500 kr.
- Pike: keep at most one over 75 cm per day.
- Trout & Arctic char: protected during the autumn spawn · catch-and-release on certain stretches.
- Handheld tackle only. Respect the protected zones at the inlets and outlets.
Species in Knopp-Långsjön
perch predatory fish
typically ~22 cm · can reach 45 cm
Here perch lives on the small stuff — and rewards those who fish small and fine.
pike predatory fish
typically ~62 cm · can reach 120 cm
Pike is a sight-hunter here — the clear water means long follows before the take.
grayling fish
typically ~30 cm · can reach 50 cm
Here grayling lives on the small stuff — and rewards those who fish small and fine.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Burbot lives down in the cool — the deep is its home ground all year.
roach coarse fish
typically ~18 cm · can reach 32 cm
Here roach lives on the small stuff — and rewards those who fish small and fine.
trout salmonids
typically ~35 cm · can reach 70 cm
Trout is a sight-hunter here — the clear water means long follows before the take.
regnbåge fish
typically ~35 cm · can reach 70 cm
In the clear water regnbåge picks its moments — wary, but relentless once committed.
Arctic char salmonids
typically ~35 cm · can reach 70 cm
Arctic char is a sight-hunter here — the clear water means long follows before the take.
Fishing Knopp-Långsjön
perch, pike and grayling sit at the top of the food chain in Knopp-Långsjön, carried by roach and regnbåge. The clearer water makes the fish wary — and rewards a careful presentation.
Whoever fishes Knopp-Långsjön 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.
The catch board
- 1Astrid ViklundArctic char31 cm
- 2Stefan EkArctic char30 cm
- 3Henrik LundArctic char29 cm
- 4Ole Nyströmregnbåge28 cm
- 5Karl Boströmtrout28 cm
- 6Fredrik Boströmroach14 cm
Species records here
Arctic char30 cmStefan Ek
trout28 cmKarl Boström
regnbåge28 cmOle Nyström
roach14 cmFredrik Boström
The same water, for real
