Ajaursjön
northern clear oligotrophic forest lake · 65°N
Real lakereal shoreline14 species on recordsizes from survey fishingreal water chemistrysources & method →
clarity 1.5 mmax depth 4 mpH 6.8oligotrophicstatus goodforest track · 22 min for the last stretch
Character of the water
Ajaursjön lies in the cold north — a northern clear oligotrophic forest lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Shallow throughout (max 4 m), with reeds and vegetation over large areas — water that warms fast in spring.
Permits & rules
Fishing permit required — Ajaursjön FVOF. Day permit ~60 kr · annual permit ~300 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 Ajaursjön
perch predatory fish
typically ~24 cm · can reach 33 cm
Here perch lives on the small stuff — and rewards those who fish small and fine.
pike predatory fish
typically ~67 cm · can reach 67 cm
Pike is a sight-hunter here — the clear water means long follows before the take.
ruffe perch family
typically ~10 cm · can reach 10 cm
Ruffe holds the bottom even in clear water — shade and depth are its cover.
grayling fish
typically ~30 cm · can reach 50 cm
Here grayling lives on the small stuff — and rewards those who fish small and fine.
id fish
typically ~38 cm · can reach 75 cm
Here id 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 ~20 cm · can reach 31 cm
Here roach lives on the small stuff — and rewards those who fish small and fine.
nors fish
typically ~12 cm · can reach 22 cm
Nors holds in the open water column where light and temperature set the day.
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.
whitefish whitefish
typically ~45 cm · can reach 45 cm
Whitefish cruises the open water — the depth it picks follows the light through the day.
vendace whitefish
typically ~13 cm · can reach 21 cm
Vendace holds in the open water column where light and temperature set the day.
stäm fish
typically ~16 cm · can reach 30 cm
Stäm moves carefully in the clear water — small mouthfuls, many of them.
Fishing Ajaursjön
The species list of Ajaursjön runs to 14. The predators — perch, pike and grayling — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.
Whoever fishes Ajaursjön 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
- 1Gustav Schmidtpike50 cm
- 2Andreas Petterssonregnbåge30 cm
- 3Lars JohansenArctic char28 cm
- 4Hanna Strandgrayling24 cm
- 5Björn Falkroach16 cm
- 6Stefan Falkvendace12 cm
Species records here
pike50 cmGustav Schmidt
regnbåge30 cmAndreas Pettersson
Arctic char28 cmLars Johansen
grayling24 cmHanna Strand
roach16 cmBjörn Falk
vendace12 cmStefan Falk
The same water, for real