Hydrangea Festival at Onoike Ajisai Park

Poster for the 2026 Hydrangea Festival at Onoike Ajisai Park
  • Hydrangeas at Onoike Ajisai Park
  • Walkway through hydrangeas at Onoike Ajisai Park
  • Hydrangea blooms at Onoike Ajisai Park
  • Onoike Ajisai Park in bloom

The Hydrangea Festival at Onoike Ajisai Park will be held on the dates below.

The festival continues to be created together with the local community and, since 2024, in collaboration with Ike-shi, a manga artist from Shibukawa. This year’s poster and flyer were again produced with the artist’s involvement. During the festival, an exhibition of original artwork and a merchandise sale will also be held at Shibukawa Community Center. (Information and images are from the Shibukawa Machizukuri Foundation.)

Evening illumination, food stalls, and wagasa (traditional Japanese umbrella) rentals are also planned. The photographs shown here were taken on a previous visit.

  • Dates: Saturday 13 June through Sunday 5 July 2026
  • Place: Onoike Ajisai Park (2979 Shibukawa, Shibukawa)
  • Parking: Onoike Ajisai Park (regular cars); Ryosanji (regular cars); Shibukawa Hachimangu (large vehicles and regular cars)

Details are on the Shibukawa Machizukuri Foundation page. It makes an easy stop on the way to or from Ikaho Onsen. Shibukawa Community Center later hosts a museum concert.

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