Festivals and celebrationsSub-Saharan AfricaIndigenous and traditional
Osun-Osogbo Festival
In its own language: Osun-Osogbo
An annual Yoruba festival of cleansing, procession and sacrifice to the river goddess Osun in Osogbo, Nigeria.

The Osun-Osogbo Festival is a two-week celebration held every August in Osogbo, Nigeria. It honors Yeye Osun, the river goddess who guided the city's founders. The event features ritual cleansing, a grand procession to the Sacred Grove, and offerings led by the Arugba, a royal princess.
When is Osun-Osogbo Festival in 2027?
Osun-Osogbo Festival 2027 runs from 27 August to 7 September 2027. Other years: 2026, 28 August to 8 September 2026; 2028, 25 August to 5 September 2028.
The Osun-Osogbo Festival is an annual gathering in Osogbo, Nigeria, dedicated to the river goddess Osun. It marks the founding of the city and involves ritual purification, drumming, and a sacred procession to the grove where sacrifices are made to ensure prosperity and protection.
Origins and history
The tradition dates back more than seven centuries. According to local accounts, a hunter named Olutimehin led migrants to the banks of the Osun River to escape famine. There, the goddess Yeye Osun appeared and promised protection and wealth if the group settled there and offered annual thanks. This agreement established the foundation of Osogbo and the yearly rites that continue today.
How it is kept
The festival spans two weeks in August. It begins with Iwopopo, a city-wide cleansing ritual. Three days later, the sixteen-point lamp Ina Olojumerindinlogun is lit. The crowns of past rulers are gathered for blessings. The climax is a procession to the Sacred Grove. Led by the Ataoja king and the Arugba, a young woman from royal lineage, participants reenact the original meeting with the goddess through dance, drumming, and praise poetry.
Sacred Grove and art
The rituals take place in the Osun-Osogbo Sacred Grove, one of the last remaining forests near a Yoruba city. After neglect in the 1950s, Austrian artist Susanne Wenger helped restore the site with local support. She founded the New Sacred Art movement to protect shrines from developers and poachers. Her work earned her the title Adunni Olorisha, recognizing her devotion to the gods and the grove's revival as a cultural heart.
How Osun-Osogbo Festival is kept
The festival lasts two weeks in August. It starts with city cleansing called Iwopopo. Then the ancient sixteen-point lamp is lit. Crowns of former kings are assembled for blessings. A large procession moves to the Sacred Grove. The Ataoja king leads the way, followed by the Arugba, a royal princess carrying a calabash offering. Drumming, dancing, and praise poetry fill the air as the community re-enacts the goddess's arrival.
When and where
It occurs annually in August. The timing aligns with the traditional calendar of the Osogbo Kingdom, marking the period for ancestral reunion and purification before the main sacrificial rites in the grove.
The events center on the city of Osogbo in Osun State, Nigeria. The final procession ends at the Osun-Osogbo Sacred Grove along the riverbank. This forest sanctuary serves as the spiritual focal point for all worshippers and visitors.
What Osun-Osogbo Festival means
The festival symbolizes the covenant between the people of Osogbo and the river goddess Osun. It represents gratitude for survival, protection, and prosperity. The cleansing rituals purify the community, while the procession reaffirms their identity and connection to their ancestors and the land.




Days Osun-Osogbo Festival is marked
Osun-Osogbo Festival dates: 2026, 2027, 2028
| Year | Osun-Osogbo Festival date |
|---|---|
| 2026 | 28 August to 8 September 2026 |
| 2027 | 27 August to 7 September 2027 |
| 2028 | 25 August to 5 September 2028 |
Questions people ask about Osun-Osogbo Festival
When is Osun-Osogbo Festival in 2027?
Osun-Osogbo Festival 2027 runs from 27 August to 7 September 2027. Other years: 2026, 28 August to 8 September 2026; 2028, 25 August to 5 September 2028.
What is the Osun-Osogbo Festival?
It is an annual two-week celebration in Osogbo, Nigeria, honoring the river goddess Osun. It involves ritual cleansing, lighting ancient lamps, and a grand procession to the Sacred Grove to offer sacrifices and give thanks for the city's founding.
Who leads the procession?
The sitting Ataoja, or king of Osogbo, leads the procession. He is accompanied by the Arugba, a young woman from royal lineage who carries the sacred calabash offering, and a committee of priestesses who perform the rites.
See also
Sango FestivalAn annual Yoruba gathering in Nigeria honoring the deity of thunder and lightningYoruba naming ceremonyA rite of passage where a newborn receives a destiny name through divination and family celebration.Good reading and sources
- Osun-Osogbo on WikipediaEncyclopedia
- More photos on Wikimedia CommonsPhotos and video
- Wikidata recordOpen data
The facts on this page come from the Wikipedia article "Osun-Osogbo", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryParampara rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes. Traditions differ from one family, village and community to the next, and the people who keep them know them best. If something is wrong, tell us. Last refreshed 2026-10-04.
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