 Lagarfljót Worm

In Icelandic folklore, the Lagarfljótsormur or Lagarfljót worm is a lake monster purported to live in Lagarfljót, a lake by the town of Egilsstaðir.The first sighting is generally conceded to be the 1345 "marvel" seen at Lagarfljót century chronicle, and a baroque poem from the 17th century chronicle.