SkyUnknown

UFO sightings by place

UFO sightings in Ille-et-Vilaine: 38 reports

SkyUnknown lists 38 UFO sightings in Ille-et-Vilaine, from 1978 to 2025, drawn from official records: GEIPAN (CNES). The busiest year was 2008, with 6 cases.

Of the 38 cases with a conclusion from their source, 79% are explained (with certainty or probably), 16% lack the data to conclude, and 2 remain unidentified. The most frequent identified causes: balloons (4); space station (ISS) (4); sky lanterns (4).

Most frequently named places: Châteaugiron (3), Rennes (3), Saint-Malo (2), Cesson-Sévigné (2), and Montfort-sur-Meu (2).

cases
38
unidentified
2
period
1978–2025
source
1
Map of the cases

Notable cases

The most complete records: account of the sighting, conclusion of the official investigation.

Other departments in the region

Sightings by decade

3
1970s1
1980s4
1990s11
2000s15
2010s4
2020s

Identified causes

For cases explained with certainty or probably.

All sightings

DatePlaceStatus
September 15, 2025Betton · Ille-et-VilaineExplained
June 18, 2024Rennes · Ille-et-VilaineExplained
September 6, 2023Châteaugiron · Ille-et-VilaineProbably explained
May 31, 2022Paimpont · Ille-et-VilaineExplained
October 8, 2018La Bouëxière · Ille-et-VilaineExplained
July 1, 2015Gahard · Ille-et-VilaineExplained
November 11, 2014Cancale · Ille-et-VilaineProbably explained
July 25, 2014Saint-Pierre-de-Plesguen · Ille-et-VilaineInsufficient data
June 1, 2014Étrelles · Ille-et-VilaineUnexplained
November 3, 2013Saint-Benoît-des-Ondes · Ille-et-VilaineProbably explained
September 27, 2013Montreuil-sur-Ille · Ille-et-VilaineProbably explained
July 25, 2013Saint-Malo · Ille-et-VilaineProbably explained
July 17, 2013Saint-Germain-sur-Ille · Ille-et-VilaineProbably explained
September 17, 2012Vern-sur-Seiche · Ille-et-VilaineProbably explained
April 12, 2012Pleurtuit · Ille-et-VilaineExplained
September 3, 2011Cesson-Sévigné · Ille-et-VilaineExplained
July 1, 2010Parthenay-de-Bretagne · Ille-et-VilaineProbably explained
June 27, 2010Montfort-sur-Meu · Ille-et-VilaineProbably explained
June 3, 2010Mordelles · Ille-et-VilaineExplained
February 15, 2009Rennes · Ille-et-VilaineInsufficient data
September 25, 2008La Ville-ès-Nonais · Ille-et-VilaineExplained
July 14, 2008Saint-Malo · Ille-et-VilaineExplained
May 29, 2008Saint-Coulomb · Ille-et-VilaineProbably explained
May 17, 2008Cesson-Sévigné · Ille-et-VilaineProbably explained
May 17, 2008Châteaugiron · Ille-et-VilaineProbably explained
May 2, 2008Argentré-du-Plessis · Ille-et-VilaineProbably explained
June 11, 2005Rennes · Ille-et-VilaineInsufficient data
August 19, 2003Dinard · Ille-et-VilaineInsufficient data
December 22, 2001Vitré · Ille-et-VilaineProbably explained
February 11, 2000Miniac-Morvan · Ille-et-VilaineProbably explained
December 1999Talensac · Ille-et-VilaineInsufficient data
February 5, 1999La Fresnais · Ille-et-VilaineProbably explained
October 26, 1990Noyal-sur-Vilaine · Ille-et-VilaineUnexplained
March 1990Pleine-Fougères · Ille-et-VilaineExplained
November 27, 1987Montfort-sur-Meu · Ille-et-VilaineExplained
April 15, 1979Châteaugiron · Ille-et-VilaineProbably explained
January 14, 1978Dol-de-Bretagne · Ille-et-VilaineInsufficient data
January 13, 1978Guipel · Ille-et-VilaineExplained
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The figures on this page are computed from the official records cited on each case. See sources and method