Undens FVO



  Örebro län and Västra Götalands län / Laxå, Karlsborg, Töreboda and Gullspång municipality.

Lake Unden in Tiveden is classified as national interest. It is a rift valley lake, about 40% of the total inflow is groundwater that comes through the bottom of the lake. Unden is one of our country's leading large char lakes, both the lake's topography and its ecosystem are suitable for char. Unden has clear cold water, the average depth of the lake is 34 m and the greatest depth is stated to be 108 m.

Unden's area is 9540 ha and the lake has 13 streams as tributaries. Draining takes place through three power plants located in Edsån, which connects Unden with lake Viken. The average water flow in Edsån is 3.5 m3 per second. Göta Kanalbolag AB, which has the original water rights, supplies Göta Kanal with the required water level for navigation.

In the lake there are char, trout, whitefish (3 varieties), pike, perch, lake, Norway pout, roach/leg, roach, roach, and yaw. The biggest fish caught in Unden are; char 10.5 kg, trout 14.4 kg, whitefish 3.2 kg, perch 2.8 kg and pike 17.0 kg.
The trout spawn in running water in the larger streams. The newly hatched trout live one to two years in the hatching stream, and then go out into the lake and eat themselves big. After a few years, a number of these go back to the birth stream for new spawning.

The tributary streams and Edsån which connects Unden with Viken does not belong to the fisheries management area.

 Free fishing for children and adolescents up to the age of 15.
 The same fishing rules as when buying a fishing license

Fish species



Ökat genom predation på kräftor



Mycket stora gäddor finns ute i sjön



Betesfisk som återhämtat sig efter att kalkningen startade

Signal crayfish


Inplanterad på 1980-talet och är nu etablerad i större delen av sjön



Vikande population och stödinsättning diskuteras



3 arter finns



Förekommer mest som smålake

Brown Trout


Vi har nu en självlekande stam som är i ökande



Kanalbolaget planterade in ål under flera år men nu är den så gott som borta

Undens FVO

Undens Fiskerrettförening was formed in the mid-1950s. This association was formed to act as an active counterpart to Sweden's first commercial nuclear power plant, which was never placed at Unden.

To get help with liming measures when the pH value in the lake approached 5.0, the Undens Fiskevårds AREA Association was formed. Since 1977, Undens FVOF has received government grants for liming measures.

Limestone crusher has been run out on the char's playgrounds. The flow of the ovens is calculated annually by boat and helicopter. Water samples are taken 4 times a year at 5 predetermined locations to monitor water quality over time. The pH value of the water is now good and is kept at the right level with the aid of liming. Fishing rules have been introduced to maintain sustainable fishing.

Organization number: 866000-5698

Customer number: 166, Area: 131.

Contact persons

Christer Johansson
0706 - 25 49 46

Christofer Carlander
0706 - 55 70 33

Kristofer Larsson
0702 - 42 43 53





Files to download

Trollingkarta och regler

Invasiva arter information

Fishing areas nearby Undens FVO

Gårdsjön, Narven och Långtjärn
Fiskeområde vid Tivedens Nationalpark
Tivedenområdet (Hökensås)
Spåndals Bergsjö

Affiliated fishing areas in Örebro län

Affiliated fishing areas in Västra Götalands län
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