“Tatsuno Firefly Festival” was held during 6/8 (Sat) – 6/16 (Sun). The best season to see fireflies in Nagano is from now to July.
Hakuba Norikura Kogen Hotaru-no-sato … Mid-June – End of September Otari Village
Takasegawa Hotaru-no-sato … “Firefly Observation” 6/30 (Sun) – 7/10 (Wed) Omachi City
Aoki Lake … “Lake Firefly Tour” 7/22 (Sat) – 8/6 (Sun) Omachi City
Kemi Firefly Festival … 6/28 (Fri) – 6/30 (Sun), 7/5 (Fri) – 7/7 (Sun) Ikeda Town
Shiga Kogen Genji Hotaru Park … Upper July – Mid-August Yamanouchi Town
Shirahige-no-mori … Lower June – Mid-July Nagano City
Hime Hotaru-no-sato .. Upper July – Lower July Tateshina Town
Kitsunezuka Hotaru-no-sato … Mid-June – Lower June Ueda City