The Omuroyama Yamayaki Festival (大室山 山焼き) has a history of around 700 years in Ito City, Shizuoka Prefecture. Originally, the festival was held to maintain Mount Omuro by burning the dry, dead grass that accumulated over winter, preventing overgrowth and preserving the mountain’s distinctive bowl-like shape. This ritual also reduced the risk of natural wildfires during spring and maintained the ecological balance of the area.
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Contact Jasumo Now →Over the centuries, the practical maintenance activity evolved into a celebrated cultural festival, drawing thousands of visitors each year. The festival is deeply tied to local identity and community pride, with generations of Ito residents participating in preparations and witnessing the ceremonial fire.
In addition to its ecological and cultural significance, Omuroyama Yamayaki also serves as a seasonal marker, signaling the end of winter and the approach of spring. It has become an event that blends natural spectacle with social gathering, tourism, and photography, making it a must-see for visitors to Shizuoka.
The event has also been preserved through modern adaptations, including crowd management, safety measures, and accessibility improvements, allowing both locals and international visitors to enjoy this centuries-old tradition while maintaining its authenticity.
Omuroyama, a symbol of Ito City, offers visitors not only the dramatic Yamayaki fire ritual but also hiking opportunities around the crater and panoramic views of the surrounding Shizuoka landscape. Visitors can take a lift to the top and explore the volcanic crater before the burning begins.
The festival is carefully timed, with small-scale burns starting in the morning to ignite the larger ceremonial fire around noon. The event is highly dependent on weather conditions, and strong winds, rain, or snow may cause postponement to the following Sunday.
The Yamayaki Festival is as much a social gathering as a ritual, with visitors enjoying local food, photography opportunities, and a chance to witness a centuries-old tradition in a modern context.
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Note: In case of strong winds, heavy rain, or snowfall, the event may be postponed, usually to the following Sunday. Decisions about postponement are made early in the morning, around 6:30 AM.
Venue: Mount Omuro, Ito City, Shizuoka Prefecture, Japan
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Tips: Dress warmly, as February temperatures can be cold and windy. Arrive early to get good views and take part in the morning ritual burn.
Visitors can stay in Ito City or nearby Izu Peninsula towns, including hotels, ryokans, and guesthouses. Staying locally allows easy access to Mount Omuro and other attractions such as Shaboten Zoo and nearby hot springs.
Average costs range from ¥7,000 to ¥20,000 per night, depending on type and amenities. Early booking is recommended due to the festival’s popularity.
The festival is traditionally held on the 2nd Sunday of February but is weather-dependent and may be postponed to the following Sunday.
Obachi-yaki is the small-scale ceremonial burning of the crater’s grass before the main mountain burn around noon.
Take a bus from Ito Station or Izu-Kogen Station bound for Shaboten Zoo and Mount Omuro, alighting at the last stop.
Yes, entry is completely free for all visitors.
Yes, a lift is available to the top, and visitors can explore the crater and surrounding trails before the main burning.
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