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Ochiaigawa River and Minamisawa Springs in Higashikurume: Tokyo's Only Famous Water

The Ochiaigawa River and Minamisawa Spring Water System in Higashikurume are Tokyo's only selections in Japan's Heisei Famous Waters list. Clear spring water flows year-round, drawing kingfishers, ayu sweetfish, and visitors seeking cool refreshment.

2026/6/5

Lifestyle

Nippara Cave in Okutama: Cool Down in the Kanto's Largest Limestone Cave

Nippara Cave in Okutama boasts a total length of 1,270m and a height difference of 134m, making it one of the largest limestone caves in the Kanto region. It stays around 11 degrees inside, perfect for summer relief.

2026/6/5

Lifestyle

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.

2026/6/5