Loch Ness Monster
A large creature is said to inhabit the Scottish loch.
1933 CE · 57.32, -4.42 · status: legend
The account
Modern interest surged with a 1933 road and the 1934 'Surgeon's Photograph', later exposed as a hoax.
The sceptical view
Sonar surveys and eDNA studies find no large unknown animal; misidentified logs, birds and seiches are likely.
The researched reading
Many sightings with ordinary explanations, a famous hoax and decades of negative surveys. A large eel is the best non-mundane candidate, and even that is unproven.
| Explanation | Weight | Why |
|---|---|---|
| Something known, misidentified | 50% | Wakes from boats, standing waves and seiches, swimming deer, otters, birds and floating logs explain most reports; a 2018 environmental-DNA survey of the loch found no reptile DNA but plenty of eel, and sonar surveys like Operation Deepscan (1987) found nothing large. |
| A hoax or fabrication | 18% | The 1934 “Surgeon’s Photograph” was a toy submarine with a model head, and other famous photos and films have been exposed or doubted. |
| A cultural story | 14% | Sightings rose after the new A82 road of 1933 and newspaper interest; tourism keeps the story alive. |
| Perception, memory or mind | 10% | Expectation shapes what people see on a dark, ruffled loch with no scale references. |
| An unknown or out-of-place animal | 6% | A large eel could explain some sightings, but no giant eel has been caught; a plesiosaur would need a breeding population in a 10,000-year-old loch. |
| Genuinely anomalous | 2% | No evidence supports a supernatural explanation. |
Official position: No official finding; scientific surveys have found no large unknown animal.
How the account grew
A local 'beast' tradition became a worldwide story in 1933: a whale-like shape, then a long-necked creature crossing the road, then a plesiosaur in the 'surgeon's photograph', which was exposed as a toy-submarine hoax in 1994. Expeditions, sonar sweeps and a 2018 DNA survey replaced the reptile with suggestions such as giant eels.
| Year | Who | Added |
|---|---|---|
| 1933 | Alex Campbell, The Inverness Courier | Aldie Mackay sees a creature with a whale-like body rolling in the loch; the article notes the loch was long credited with a 'fearsome-looking monster'. |
| 1933 | George Spicer, The Inverness Courier | A large-bodied animal with a long wavy neck crosses the road; letters pour in describing a 'monster fish', 'sea serpent' or 'dragon' until 'Loch Ness monster' settles; a plesiosaur resemblance is suggested. (dropped: The whale-like shape gives way to the long neck.) |
| 1934 | Robert Kenneth Wilson (the 'surgeon's photograph') | The first image to show a head and neck; it stands as the key evidence for 60 years, often shown cropped to look larger. |
| 1960 | Tim Dinsdale | Film of a dark hump leaving a wake; the Loch Ness Phenomena Investigation Bureau forms in 1962 to watch the loch. |
| 1975 | Robert Rines; Sir Peter Scott | Underwater 'flipper' photos lead Scott to name the animal Nessiteras rhombopteryx; a politician points out it is an anagram of 'monster hoax by Sir Peter S'. |
| 1983 | Ronald Binns, The Loch Ness Mystery Solved | A former Bureau member argues there is no single explanation and that observers see what they expect. |
| 1994 | Christian Spurling; Martin and Boyd (book 1999) | The surgeon's photograph was a toy submarine with a sculpted head, a hoax already reported in a forgotten 1975 Sunday Telegraph piece. (dropped: The central photograph of the long-necked Nessie.) |
| 2003 | BBC sonar survey | 600 sonar beams and satellite tracking find no large animal; the scientists say this shows the monster is a myth. |
| 2019 | Neil Gemmell's environmental DNA survey | No reptile, shark, sturgeon or catfish DNA but abundant eel DNA; giant eels are proposed for many sightings. (dropped: The plesiosaur, already ruled out by neck anatomy in 2006.) |
Connections in the atlas
- St Columba and the beast of the River Ness
- Sir Edward Mountain’s five-week watch on Loch Ness
- Loch Ness Monster
- Wetherell's 'Nessie' footprints
- The Dinsdale film
- Operation Deepscan
- Rines’s sonar and "flipper" photographs
- The Loch Ness environmental-DNA survey
- Arthur Grant’s night sighting at Abriachan
- Lake Van Monster
- "The Day I Saw the Loch Ness Monster" (Everybody’s)
- Champ, the Lake Champlain monster