Nagano Prefecture is well known for its pure water areas. The season of fireflies has come a little earlier than usual this year.
Hakuba Norikura Kogen Hotaru-no-sato … Mid-June – End of September (Otari Village)
Shirahige-no-mori Hotaru … Lower June – Upper July (Nagano City)
Kemi Hotaru Festival … 6/30 (Fri) – 7/2 (Sun), 7/7 (Fri) – 7/9 (Sun) (Ikeda Town)
Shiga Kogen Genji Hotaru Park … Upper July – Mid-August (Yamanouchi Town)
Lake Aoki Hotaru Tour … 7/22 (Sat) – 8/6 (Sun) (Omachi City)