Lagarfljót Worm
Pronounced LAH-gar-flyoht WURM — [ˈlaːɣarˌfljoutsˌɔrmʏr̥]
The Serpent Beneath the Silt
“A many-humped serpent said to coil beneath the murk of a glacial lake too cloudy to ever prove it wrong.”
Lagarfljót is a lake built for a monster: glacial, below sea level in places, and so clouded with silt that nothing beneath the surface can be confirmed or denied. In it, tradition places the Lagarfljótsormurinn — a serpent of many humps, first noted in the Icelandic annals for 1345, when observers described island-like coils rising from the water with neither head nor tail to be seen.
Most lake monsters fade with their eyewitnesses. The Worm instead acquired a modern dossier: a forestry director's sighting in 1963, a damaged telephone cable in 1983, a school's worth of witnesses in 1998, and in 2012 a farmer's video that went around the world — followed, remarkably, by a municipal truth commission that voted the footage genuine and paid out the prize.
The Legend
The origin story was set down in Jón Árnason's great folklore collection of 1862. A girl in Múlasýsla was given a gold ring by her mother and told the way to make gold grow: lay it beneath a lyngormur, a heath-worm. She did, and the worm grew with the treasure — until it burst the linen chest that held them both. The terrified girl threw worm and gold together into Lagarfljót, where the creature kept growing, spat poison, and began to terrorize the countryside.
The lake's neighbours did what medieval Icelanders did with monsters: they sent for specialists. Two Finns — sorcerers, in the telling — were brought to kill the worm and recover the gold. They failed at both, but bound the creature's head and tail to the lakebed, where it remains — a neat folk answer to the annal of 1345, which recorded island-like humps but noted that no one ever saw a head or a tail.
Documented Sightings
The file opens in 1345, when the annals logged a 'wonderful thing' in Lagarfljót: humps rising like islands, head and tail unseen. The modern century added names. In 1963, Sigurður Blöndal, head of the National Forest Service, reported an encounter. In 1983, contractors laying telephone cable along the lake detected a large shifting mass near the bed and later recovered cable damaged with twenty-two distinct tears. In 1998, a teacher and students at the school at Hallormsstaðir watched something in the water together.
On 2 February 2012, national broadcaster RÚV aired footage shot by farmer Hjörtur Kjerúlf of a serpentine shape apparently swimming in the icy Jökulsá í Fljótsdal, and the Worm went viral worldwide. Frame-by-frame analysis by researcher Miisa McKeown showed the object made no actual headway — likely frozen debris riding the current. Undeterred, a thirteen-member commission convened by the Fljótsdalshérað council ruled in 2014 that the footage was genuine, awarded the 500,000-krónur prize, and saw no reason to doubt the creature's existence.
The Lore
Skepticism is as old as the sightings. Jón Árnason's own informants noted that drifting clumps of foam were being read as the Worm in the nineteenth century, and modern explanations add methane bubbles rising from the lakebed, tangles of debris carried off the mountainsides, and light bending over cold water. The lake itself guarantees the argument continues: glacial melt keeps the visibility near zero, so the Worm can be neither produced nor dismissed.
The 2014 verdict split seven votes to six, and critics called it what it partly was: cryptotourism, a small municipality endorsing its best-known resident. But the Worm's grip on East Iceland is older than marketing. It belongs to the lindworm family of Norse serpents that grow great atop hoarded gold, and it has been surfacing in the written record since the fourteenth century — centuries before Loch Ness had a monster to its name.
Field Notes
- ✦ Origin tale: a worm laid on gold to make the treasure grow, until it outgrew the chest that held it.
- ✦ Reported both submerged and coiled on land near the shore.
- ✦ The 2012 RÚV video, shot by farmer Hjörtur Kjerúlf, drew worldwide attention.
- ✦ First noted in the Icelandic annals for 1345: humps like islands, with neither head nor tail seen.
- ✦ A municipal truth commission voted 7–6 in 2014 that the video was genuine, awarding a 500,000 ISK prize.
Case File
- Classification
- Lake monster / serpent
- Category
- Lake/Sea Monster
- Territory
- Lagarfljót lake, near Egilsstaðir, East Iceland
- First Sighted
- 1345 (medieval annals)
- Habitat
- Deep, silt-clouded glacial lake
- Reported Size
- Said to be longer than a bus (around 12 m), with multiple humps
- Also Known As
- Lagarfljótsormurinn · Iceland Worm Monster