The Nijusan Yamasai is a summer memorial festival held at Oiwake Jizo. Participants pay tribute to the Nijusan Yama deity, popularly known as Osan Yama-sama, praying for safe deliveries and child-rearing. A colorful program is prepared, with highlights including band performances and bingo games.

The event will take place on August 22, 2026, from 17:00 to 20:00, and is easily accessible. It's about a 5-minute walk from Imaichi Station, making it a convenient visit even for those with children. Additionally, there will be local特色 events, so be sure to join us!