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Cryptids of Sweden

What cryptids are in Sweden? The best-known is Storsjöodjuret.

Sweden’s great monster lives in the very middle of the country, in Storsjön, “the Great Lake,” of Jämtland. Storsjöodjuret – the Great Lake Monster – has an unusually long paper trail: a manuscript of 1635 describes a lake serpent bound to the bottom by a rune-master’s spell carved on the Frösö Runestone, which still stands on the island of Frösön. Later folk tales told of two trolls who brewed the creature in a cauldron on the shore.

1 cryptid6 recorded sightings
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Cryptids reported in Sweden

The legends of Sweden

Sightings multiplied in the 19th century, and in 1894 a local company, backed by King Oscar II, tried to catch the monster with a giant iron trap baited with a pig. It failed, to national amusement, but the trap survives in the Jamtli museum in Östersund. In 1899 the naturalist Peter Olsson published 22 eyewitness accounts, and in 1986 the county authorities even declared the creature a protected species – a status withdrawn in 2005. Hundreds of people claim to have seen it.

Swedish folklore also knows lake serpents (sjöormar), forest trolls and, in the forests of Småland, giant serpents called lindworms. Today Östersund embraces its monster wholeheartedly: there are official observation points around Storsjön, and a cheerful cartoon version named Birger is the city’s mascot.

Hotspots

Storsjön and Frösön, Jämtland

The Great Lake and its central island, home of Storsjöodjuret and the Frösö Runestone.

Jamtli, Östersund

The county museum, whose monster exhibition includes the giant 1890s trap.

Vallsundet bridge and the Sunne church ruin

Two of the official observation spots around the lake, chosen where witnesses have reported sightings.

Sightings timeline

  1. 1635
    The serpent bound by runes Storsjöodjuret

    Morten Pedersen Herdal’s manuscript describes a lake serpent chained to the bottom by Kettil Runske’s spell on the Frösö Runestone – the earliest written trace of the legend.

  2. July 1857
    The iron-mill workers’ sighting Storsjöodjuret

    Newspapers reported that workers at the Forssbacka ironworks saw a creature with a gleaming black head about the size of a large cat’s, moving like a sea serpent.

  3. 1894
    The royal-backed hunt Storsjöodjuret

    A company was founded to catch the monster, with the support of King Oscar II. Its giant baited trap caught nothing, and the cartoonist Albert Engström lampooned the attempt.

  4. 1899
    Peter Olsson’s report Storsjöodjuret

    The naturalist Peter Olsson published a booklet collecting 22 eyewitness accounts and argued that the witnesses were describing an unknown aquatic mammal.

  5. 1986
    A protected species Storsjöodjuret

    The county administrative board declared the creature, its offspring and its nest protected by law. The protection was revoked in 2005.

  6. August 2008
    Infrared footage Storsjöodjuret

    A film crew claimed underwater cameras had captured a warm-bodied mass in the lake. The footage was not accepted as evidence of an unknown animal.

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