Onogawa Onsen Hotaru Matsuri (Firefly Festival)
小野川温泉ほたるまつり
Experience a magical summer night with dancing fireflies and a lively hot spring town atmosphere at Onogawa Onsen.
This event has ended
Schedule
June 20, 2026 00:00 – July 20, 2026 23:59
The Onogawa Onsen Hotaru Matsuri is a quintessential summer event held in the Onogawa Onsen district and Hotaru Park in Yonezawa City, Yamagata Prefecture.
Highlights
About Onogawa Onsen Hotaru Matsuri (Firefly Festival)
- For Firefly Watching: Join the free 'Firefly Guide' starting around 20:00 to see the three species up close with expert guidance.
- For Food Lovers: Visit on the dates when food stalls are active (June 20, 21, 27, 28) to enjoy local snacks and drinks.
- For Entertainment: Don't miss the stage events on July 4 and 5, featuring traditional arts and comedy.
- The Perfect Stay: Combine your visit with an overnight stay at an Onsen ryokan for the ultimate summer experience.
Weather forecast
Fri
10/16
21°/14°
71%
Sat
10/17
19°/12°
0%
Sun
10/18
21°/10°
0%
Mon
10/19
25°/13°
94%
Tue
10/20
19°/16°
69%
Wed
10/21
26°/16°
88%
Thu
10/22
17°/11°
69%
Tips
Etiquette
To protect the fireflies, flash photography and bright lights are strictly prohibited. Please remain quiet and do not touch the insects.
Traffic Restrictions
On June 20, 21, 27, and 28, the streets will be closed to vehicles from 17:00 to 21:30.
Trash
Please ensure you take all your trash back with you.
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