
Aizen Matsuri
ReligiousAizen Matsuri is Osaka's summer festival opening, held at Shoman-in Aizendo Temple — the start of the city's festival season.
15 festivals in this month
June is the soft-launch month for summer festival travel in Japan. Use it for Aizen Matsuri in Osaka on June 30-July 2, Sanno Matsuri in Tokyo, and early-summer shrine weekends before July hotel prices and crowd pressure spike.
Osaka summer opener from June 30 to July 2, ideal if you want a manageable city festival before Tenjin Matsuri.
Tokyo classic at Hie Shrine, especially useful if you want an Edo-style procession without July fireworks congestion.
Pairs Aizen Matsuri dates and official-site planning with Tenjin Matsuri and later-summer Osaka routes.
Useful if you want Sanno Matsuri plus neighborhood shrine weekends in one Tokyo stay.

Aizen Matsuri is Osaka's summer festival opening, held at Shoman-in Aizendo Temple — the start of the city's festival season.
Street stalls surround Kanbara Shrine, where a traditional oracle concerns the coming rice harvest.
Mid-year purification ceremony where visitors walk through a reed ring.