Oshino Hakkai is a cluster of eight crystal-clear spring ponds in the village of Oshino, Yamanashi, set between Lake Kawaguchiko and Lake Yamanakako. The water is Mt. Fuji snowmelt that has filtered down through porous lava layers for roughly 80 years, emerging remarkably clear and long revered by locals. It is a registered component of the Fujisan UNESCO World Heritage Site and is famous for its thatched-roof farmhouses framed by Mount Fuji.
Waku Pond, the largest and highest-flowing spring, was named among Japan's 100 best waters by the Ministry of the Environment in 1985
On clear mornings the still ponds mirror Mount Fuji, ideal for reflection photography
The open-air Hannoki Bayashi Shiryokan museum preserves a thatched-roof farmhouse with old farming tools and household items
The surrounding shopping street offers Mt. Fuji spring water plus local tofu, soba and mochi sweets and crafts
In winter you may catch 'Diamond Fuji,' when the sun aligns with the summit and glints like a diamond
Good to know
RulesThrowing coins into the ponds is prohibited. Signs in four languages ask visitors not to; corroding coins harm water quality and the ecosystem, and the village treats this as a serious problem, so make no coin wishes.
SafetyDo not drink directly from the ponds. Only sample or fill up at the designated spring-water fountains inside the shops; you can buy an empty bottle (around ¥200) to take some home.
MannersThe photogenic central 'Nakaike' pond sits on private property and charges a small admission fee. Note it is an artificial pond, not one of the natural eight springs, so expectations stay realistic.
SafetyDue to overtourism the site gets very crowded on weekends and midday in peak seasons. Visiting early morning or on weekdays gives a far quieter experience.
SeasonWinter offers snow-capped Fuji and Diamond Fuji but is very cold; spring cherry blossoms (mid-to-late April) and autumn foliage (Oct–Nov) are also popular.
MannersThe ponds are shallow and look clean, but they are a protected ecosystem. Do not wade in, dip hands in, or litter in the water.
Practical info
The nearest stations are Fujisan Station or Kawaguchiko Station on the Fujikyuko Line; take a Fujikyu bus about 20–30 minutes to the 'Oshino Hakkai' stop, then a 5-minute walk. The village and most ponds are free; the Hannoki Bayashi Shiryokan is about ¥300 (9:00–17:00). Confirm fares, schedules and hours before your visit.
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