Notre-Dame-de-l'Osier is a commune in the Isère department in southeastern France.^[3] It is famous for being the location of a Marian apparition that took place in 1657. A church was built on the site of the apparition and completed in 1858. It became a Basilica following a decree by Pope Pius XI on 9 September 1924. Pilgrimages to the apparition site were very popular during the 19th century and the first half of the 20th century but declined in the past decades. A house of the Missionary Oblates of Mary Immaculate was established in the commune in 1834 and ceased activity in 1997. Up to 11 hotels were active in the town, welcoming pilgrims and tourists, but the last one closed down in 2001, the pilgrimage attracting less and less crowds.

You can help expand this article with text translated from the corresponding article in French. (December 2009) Click [show] for important translation instructions. View a machine-translated version of the French article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing French Wikipedia article at [[:fr:Notre-Dame-de-l'Osier]]; see its history for attribution. You may also add the template {{Translated|fr|Notre-Dame-de-l'Osier}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts Country, Region ...

Notre-Dame-de-l'Osier
Commune
The basilica of Notre-Dame-de-l'Osier
Location of Notre-Dame-de-l'Osier
Notre-Dame-de-l'Osier Show map of France Notre-Dame-de-l'Osier Show map of Auvergne-Rhône-Alpes
Coordinates: 45°13′59″N 5°24′00″E
Country	France
Region	Auvergne-Rhône-Alpes
Department	Isère
Arrondissement	Grenoble
Canton	Le Sud Grésivaudan
Government
• Mayor (2020–2026)	Alex Brichet-Billet[1]
Area 1	8.38 km2 (3.24 sq mi)
Population  (2021)[2]	511
• Density	61/km2 (160/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	38278 /38470
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Close

Notre-Dame-de-l'Osier was a part of the neighboring commune of Vinay until it became an independent commune on 4 September 1869.

• Communes of the Isère department