The annual Grand Festival, known as Reitaisai in Japanese, of Sezaki Sengen Shrine is one of the earliest summer festivals in the Soka area. It is known for its traditional mikoshi processions, children’s events, and lively rows of festival stalls. The shrine, dedicated to Konohanasakuya‑hime, has long served as a cultural and communal center for the Sezaki district, and its annual festival continues to draw many visitors each year.
Sezaki Sengen Shrine ‘Reitaisai’ Grand Festival, Soka
The 2026 festival is on July 4th (Saturday) and July 5th (Sunday) with a full program including religious aspects, entertainment and food. The Reitaisai features a variety of traditional elements, including mikoshi processions, festival music, kagura, and the local custom of Shichi‑Fuji Mairi. It is regarded as a major seasonal event and a vibrant start to the summer festival period in the region. In 2026, the festival will be held in its standard format, with children’s mikoshi, taiko, the main mikoshi procession, and food stalls.
Main Schedule
On July 1st there are ceremonies for patrons of the shrine from 10 am.
The food stalls are there from noon to 8 pm on Saturday the 4th and from 10 am to 8 pm on Sunday the 5th.
Limited edition ‘goshuin’ (shrine stamps) are available on both the 4th and 5th at a tent south of the haiden. They cost 500 yen.
July 4 (Saturday)
12:00 – Goryō‑ire no Gi (Spirit‑inviting ceremony for the main mikoshi)
15:50–17:00 – Children’s Mikoshi & Hikidaiko
Departure point: Sezaki Elementary School
July 5 (Sunday)
13:00–19:50 – Shinkōsai (Main Mikoshi Procession), featuring the Honsha Mikoshi and Ninomiya Mikoshi (formerly the women’s mikoshi)
20:00 – Goryō‑kaeshi no Gi (Spirit‑returning ceremony)
>> There is another festival in Soka City on the same dates: Soka Matsubara Promenade Dream Festa.
Festival Main Details
Event: Sezaki Sengen Shrine Grand Festival 瀬崎淺間神社例大祭
Dates: Saturday July 4th and Sunday July 5th 2026
Time: from noon on Saturday and from 10 am on Sunday, to 8 pm.
Cost: there is no admission fee, bring some yennie to enjoy the festival food and events and throw some coins in the shrine’s prayer box.
Venue: Sezaki Sengen Shrine 瀬崎淺間神社, 〒340-0022 Saitama, Sōka, Sezaki, 3 Chome−3−24 浅間神社. View on Google Maps.
Access: they encourage visitors to arrive by public transportation or on foot, as no parking is available at the shrine. They will set up a temporary bicycle parking lot too, at the Yatsuka side of the Lions Tower. The shrine is only about a five minute walk from Yatsuka Station on the Tobu Isesaki line.
Event information in Japanese.
More summer festivals in Saitama Prefecture.
2026.06.15