Oyamahirai Grand Festival
お山開き大祭（石鎚神社・成就社）
A mystical 10-day journey where the deities of Mt. Ishizuchi ascend the summit amidst the sounds of bells and white-clad pilgrims.The Oyamahirira Grand Festival (also known as the Summer Mountain Opening) is a vital ritual at Mt. Ishizuchi. It marks the sacred journey of the deities from the base of the mountain toward the summit.
Highlights
About Oyamahirai Grand Festival
- Spiritual Experience: Witness the peak of energy at Mt. Ishizuchi as white-clad pilgrims gather.
- Women's Climbing: July 1 is a rare and precious opportunity for women to climb the sacred mountain.
- Traditional Culture: Experience the spirit of Japan through the traditional greetings of 'O-nobori-san' and 'O-kudari-san'.
- Sacred Rituals: Don't miss the unique evening ceremonies and the traditional Mochi-maki (rice cake throwing) at Jojusha.
Photo gallery
All photosSchedule
July 1, 2027
Weather forecast
Mon
8/3
36°/27°
96%
Tue
8/4
32°/27°
100%
Wed
8/5
35°/26°
90%
Thu
8/6
35°/25°
49%
Fri
8/7
35°/27°
67%
Sat
8/8
34°/27°
75%
Sun
8/9
29°/25°
61%
Plan your stay & activities
Tips
Gear & Clothing
Full hiking gear and appropriate clothing are required for the ascent.
Etiquette
It is customary to greet fellow hikers as 'O-nobori-san' (climbers) or 'O-kudari-san' (descenders).
Climbing Requirements
Registration is required at Jojusha or Tsuchigoya Yorai-den. You must carry a Mountain Ticket and wear the designated ribbon on your left shoulder.
Before & After the Event
Kukuma Natsu Matsuri
Kukuma Natsu Matsuri on July 18, 2026, features hands-on fish catching, fishing contests, and a beautiful night fireworks display.
Held in the same area in 2026-07
Uwajima Ushioni Matsuri & Warei Taisai
Experience the Uwajima Ushioni Matsuri & Warei Taisai in Uwajima, Ehime. Featuring powerful Ushioni parades, sea fireworks, and traditional rituals, this is a quintessential Japanese summer experience held over three days in July.
Held in the same area in 2026-07
Oda Toro Matsuri
A magical summer night in Uchiko featuring floating lanterns, local gourmet food, and traditional Japanese performances.
Held in the same area in 2026-07
