
Firefly Watching at Osawa-no-Sato in Mitaka: Peak Season in Mid-June
Genji fireflies dance at Osawa-no-Sato in Mitaka every mid-June. Discover the community-led conservation efforts since 1988 and the natural charm of this urban oasis.

Genji fireflies dance at Osawa-no-Sato in Mitaka every mid-June. Discover the community-led conservation efforts since 1988 and the natural charm of this urban oasis.

HANA BIYORI garden in Inagi is hosting its popular firefly viewing event through July 1. Two species—Genji and Heike fireflies—put on a nightly light show starting at 7:40 p.m. It's one of the closest places to experience wild fireflies from central Tama.