A day of connection, growing together in Hikari City, with children at the heart of it
Ooppai Matsuri
Festival information
EVENT INFORMATION- Dates
- 2026/11/01Scheduled
- Season / frequency
- Around November each year / Every year
- Location
- Aipark Hikari (Hikari City General Welfare Center)
- Area
- Yamaguchi Prefecture・Hikari City(From Tokyo: approx. 1 h 35 min–1 h 55 min · flight time only)Prefecture-level estimate to a main station or airport, not the venue. Airport access, check-in and onward travel are extra; remote areas and islands can take much longer.
- Participation / viewing
- Open to public participation
- Last updated
- 2026/10/19
Ooppai Matsuri promotes the ideals of Hikari City’s “Ooppai City Declaration” and encourages the whole community to support families raising children. It is an event where children and families connect and explore local child-rearing through play and hands-on activities.
About Ooppai Matsuri
Ooppai Matsuri is a child-rearing-themed event that promotes the ideals of Hikari City’s “Ooppai City Declaration.”
The event has been held since fiscal year Heisei 5 as an opportunity to consider how the whole community can support families raising children.
Residents and partner organizations take part, making it a place for the entire community to think about raising children, with children and families at its heart.
Source: おっぱいまつり／光市 / おっぱいまつり - Wikipedia
Festival highlights
Highlights include activities that put children center stage and things families can enjoy together.
Past events have featured baby crawling races, parent-and-child penguin races, handmade toys, picture books, puppet shows, and family concerts.
Food education, parenting consultations, photo exhibits, and other activities supporting families are also presented, alongside the fun.
A day of connection, growing together in Hikari City, with children at the heart of it
What to expect
Past events began with an opening declaration, dances for children, and character dances, followed by stage programs and hands-on activities.
Visitors could enjoy crafts, interacting with fish, kamishibai storytelling, a water play area, and children’s cooking activities.
There are also consultation corners, food education activities, and a stamp rally, making it an event where families can spend time exploring the venue together.
How to take part
The Oppai Festival is held as an opportunity to better understand the purpose of the “Declaration of a City That Supports Breastfeeding” and consider how the whole community can create an environment that supports child-rearing.
This is an event for parents and children, with an emphasis on the bond between mothers and children.
Through activities related to parenting, you can share a commitment to looking out for children at home and in the community.
The event has featured activities for parents and children, including games and hands-on experiences for children, as well as stage events.
In the past, there have been activities you could join on the day, such as the Parent-and-Child Penguin Race, as well as activities requiring advance registration, such as the Baby Crawling Race.
Since participation methods differ by activity, check the on-the-day registration details and entry requirements before taking part.
Location and access
- Venue and address
Aipark Hikari (Hikari City General Welfare Center).
- Train and bus
Take a bus from JR Hikari Station for 12 minutes, get off at Tonaka, then walk for 3 minutes.
There are bus stops for “Aipark Hikari-mae” and “Kitakawahata” near the venue.
In 2026, the boarding and drop-off location for the “Aipark Hikari-mae” bus stop will be temporarily changed.
- By car
Parking near the venue is limited.
A shuttle bus is scheduled to run between the venue and the temporary parking area adjacent to Kanzan General Park.
- Parking
Parking near the venue is limited.
Source: おっぱいまつり会場周辺の路線バスについて／光市
Event venue 山口県光市 あいぱーく光
This map uses the venue name. Check the official guide for the event area and entrances.
Dates and season
The 2026 Oppai Festival will be held on November 1 (Sunday).
It runs from 9 a.m. to 12 p.m. at Aipark Hikari.
The event is held on an autumn day and focuses on parenting and parent-child interaction.
Accommodation and hotels PR
Showing nearby accommodation.
Prices and availability are current at the time of retrieval. For multi-night stays, only the first night’s price is shown. Confirm the final price and directions to the venue with the booking provider. Select your dates again when using the area search link. Search area: within 3 km of Central Yamaguchi Prefecture / Hikari City (the search is not centered on the festival venue)
Tips for your visit
Parking near the venue is limited, so visitors are encouraged to use public transportation as much as possible in 2026.
The boarding and drop-off point for local buses at “I-Park Hikari-mae” will be temporarily changed, so please check which services are affected before traveling.
A shuttle bus is scheduled to run from a temporary parking lot next to Kanmuriyama General Park.
Origins and History of Ooppai Matsuri
Ooppai Matsuri began in fiscal year Heisei 5.
The event began with a 1994 celebration marking the 50th anniversary of Hikari City’s municipal incorporation. The first edition centered on parenting consultations and lectures.
The event has continued to grow, with more activities added over the years, and will celebrate its 34th edition in 2026.
Official information
Hikari City’s official website lists the date and time, venue, theme, and transportation information for the 34th Ooppai Matsuri in 2026.
For local bus information near the venue, see Hikari City’s public transportation guide for “Aipark Hikari-mae” and “Kitakawabata.”
Ooppai Matsuri at a Glance
Ooppai Matsuri is an event that explores the ideals of Hikari City’s “Ooppai City Declaration” and how the community can support families raising children.
In 2026, the event will be held at Aipark Hikari on November 1, with activities families can enjoy together and content related to raising children.
As parking is limited, visitors are encouraged to use buses and other public transportation or the shuttle bus.
Japanese Festivals.jp Editorial Team
Celebrating local culture and helping you discover a side of Japan you never knew.
Article updated: 2026/10/19
Submit information or a correction Submit photos of this festival
