Järnsjön

southern humic brown tarn · 57°N

Real lakereal shorelinemeasured max depth 4 m8 species on recordreal water chemistrysources & method →

clarity 3.4 mmax depth 4 mpH 7.5mesotrophic · humicstatus goodpaved road

Character of the water

Järnsjön lies in the south — a southern humic brown tarn. The tea-stained, humic water hides the bottom within an arm's length.

The surroundings

The lake sits close to town with a road right up to it — easy to reach, but hard-fished and exposed to nutrient runoff from the buildings and fields all around.

Moderately deep (4 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Järnsjön FVOF. Day permit ~140 kr · annual permit ~700 kr.

Pike: keep at most one over 75 cm per day.
Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Järnsjön

perch predatory fish

typically ~22 cm · can reach 45 cm

The nutrient-rich water keeps perch moving constantly between the feeding grounds.

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.

burbot bottom fish

typically ~45 cm · can reach 90 cm

Down on the bottom burbot sifts the soft ground — patience beats speed here.

roach coarse fish

typically ~18 cm · can reach 32 cm

The nutrient-rich water keeps roach moving constantly between the feeding grounds.

ruda fish

typically ~18 cm · can reach 42 cm

Ruda works the bottom in the dark — smell and feel come before everything else.

sarv fish

typically ~18 cm · can reach 38 cm

Sarv grazes the rich water in schools — where there's one, there are more.

vendace whitefish

typically ~16 cm · can reach 28 cm

Vendace follows the schools through open water — here today, gone tomorrow.

Fishing Järnsjön

perch, pike and burbot sit at the top of the food chain in Järnsjön, carried by bream, roach and ruda. The brown, humic water keeps visibility short — the fishing is more about vibration than sight.

The fishing here follows the water's own rhythm: dawn and dusk have their windows, fronts close and open them, and the season moves the fish. No two sessions at Järnsjön are alike.

General rules of thumb for this kind of water

Brown, humic water dampens the light — fishing can be good even in the middle of the day.

The catch board

6 anglers · 12 catches

1Magnus Fischersarv16 cm
2Erik Raskruda16 cm
3Torbjörn Karlssonruda15 cm
4Axel Raskroach14 cm
5Astrid Vainiovendace14 cm
6Oskar Wagnerroach14 cm

Species records here

sarv16 cmMagnus Fischer

ruda16 cmErik Rask

roach14 cmAxel Rask

vendace14 cmAstrid Vainio

The same water, for real

This water's real catch reports — and the logbook for your own.Fångstrapport.sein Swedish

The real bite table for this water — for your next real session.Huggtabell.sein Swedish