S P O T / SPOT-278
Oshino Hakkai (Eight Springs of Oshino)
忍野八海おしのはっかい
At the northern foot of Mount Fuji, in the village of Oshino, water that fell as rain and snow on the great volcano resurfaces — but only after a journey of some twenty years filtering down through layer upon layer of lava. What emerges is water of almost unreal clarity, pooling into eight springs whose names carry their own histories: Deguchi, Okama, Sokonuke, Choshi, Waku, Nigori, Kagami, and Shobu. Peer into Waku-ike, the most famous, and the surface seems to vanish: you look straight down into a deep emerald shaft where a lava cave descends into the earth, the water so transparent it scarcely registers as water at all. These are not ordinary ponds. Designated a National Natural Monument in 1934 and inscribed in 2013 as part of the World Cultural Heritage of Mount Fuji, the eight springs were a sacred circuit where Fuji-ko pilgrims purified themselves before ascending the mountain. By tradition, the distant Deguchi-ike represents Polaris and the remaining seven the Big Dipper — a constellation laid out in water. Here the hydrology of Mount Fuji and centuries of mountain worship are fused into a single, luminous landscape.

H I G H L I G H T S
Highlights
- 01Springwater filtered through Mount Fuji's lava: clarity so complete you can see straight to the bottom, glowing emerald
- 02Looking into Waku-ike reveals a lava cave descending into the earth beneath the transparent surface
- 03A constellation in water: distant Deguchi-ike as Polaris and the seven others as the Big Dipper, marking it as a sacred site
- 04The context of the 'eight-springs circuit,' where Fuji-ko pilgrims purified themselves before climbing the sacred mountain
A C C E S S / M E T A
Essentials
- Location
- Yamanashi Prefecture Oshino Village, Minamitsuru District
- Address
- 〒401-0511 山梨県南都留郡忍野村忍草
- Fee
- 無料(八海の散策は自由。底抜池のある『榛の木林資料館』のみ有料)
- Hours
- 散策自由(資料館等は施設ごとに営業時間あり)
- Status
- 現存(国指定天然記念物・世界文化遺産構成資産)
- Nearest
- 富士急行線「富士山駅」(バス乗継)
- Walk
- 5 min
- Parking
- あり・周辺有料駐車場複数(観光シーズンは満車・待ち発生)
- Time
- 1〜2時間