
Hotaru Doyo Park
Hotaru Doyo Koen
Located in Matsuo-kyo, Tatsuno Town, Hotaru Doyo Park is a magical spot where the ethereal light of fireflies dances through the air.Explore this spot

Hotaru Doyo Park is an ideal location for firefly watching, situated in the scenic Matsuo-kyo area of Tatsuno Town, Nagano Prefecture.
What makes it special
About Hotaru Doyo Park
- The most beautiful displays occur during nighttime visits from early to mid-June.
- For the best experience, aim to visit between 8:00 PM and 9:00 PM.
- Please prepare comfortable walking shoes and clothing for your nighttime stroll.
- To protect the environment, please take your trash home and follow all park etiquette.
Weather forecast
Tue
8/4
30°/20°
2%
Wed
8/5
30°/18°
0%
Thu
8/6
31°/21°
57%
Fri
8/7
32°/20°
98%
Sat
8/8
30°/20°
97%
Sun
8/9
29°/19°
75%
Mon
8/10
27°/19°
50%
Tips
Payment
Cash only (While park entry is free, nearby facilities or specific uses may require cash).
English Support
English signage and staff support are limited.
Reservations
No reservation required for general visits (However, prior application and fees are required for using parking lots or facilities for specific events).
Clothing & Essentials
Since you will be visiting at night, we recommend comfortable walking shoes and a small light for moving in dark areas.
Photography
Please refrain from using a camera flash when photographing fireflies to avoid disturbing them and to respect the environment.
Accessibility
Some areas within the park may have uneven surfaces or steps.
Etiquette
When observing fireflies, avoid using bright lights and ensure you do not damage the natural environment.