Opptjärnen
nutrient-rich lowland lake · 62°N
clarity 1.1 mmax depth 5 mpH 7.4eutrophicstatus poorgravel road
Character of the water
Opptjärnen lies in central Sweden — a nutrient-rich lowland lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Moderately deep (5 m) — shallow bays, the odd reef and a deeper channel through the middle.
Permits & rules
Fishing permit required — Opptjärnen 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 Opptjärnen
perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
björkna fish
typically ~18 cm · can reach 35 cm
Björkna works the bottom in the dark — smell and feel come before everything else.
bream coarse fish
typically ~38 cm · can reach 65 cm
Bream works the bottom in the dark — smell and feel come before everything else.
pike predatory fish
typically ~62 cm · can reach 120 cm
Pike hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
ruffe perch family
typically ~12 cm · can reach 22 cm
Ruffe works the bottom in the dark — smell and feel come before everything else.
zander predatory fish
typically ~50 cm · can reach 95 cm
Zander hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
grayling fish
typically ~30 cm · can reach 50 cm
The nutrient-rich water keeps grayling moving constantly between the feeding grounds.
id fish
typically ~38 cm · can reach 75 cm
The nutrient-rich water keeps id moving constantly between the feeding grounds.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Down on the bottom burbot sifts the soft ground — patience beats speed here.
Fishing Opptjärnen
perch, pike and zander sit at the top of the food chain in Opptjärnen, carried by björkna, bream and ruffe. The nutrient-rich water means plenty of baitfish — and predators that grow fat on them.
Whoever fishes Opptjärnen 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
- Nutrient-rich lakes hold plenty of baitfish but often murky water.
The catch board
- 1Stefan Korhonenzander41 cm
- 2Bjørn Johansenzander40 cm
- 3Axel Nyströmburbot38 cm
- 4Henrik Forsbergid33 cm
- 5Mats Sjöbergperch18 cm
- 6Bjørn Boströmruffe10 cm
Species records here
zander40 cmBjørn Johansen
burbot38 cmAxel Nyström
id33 cmHenrik Forsberg
perch18 cmMats Sjöberg
ruffe10 cmBjørn Boström
The same water, for real