Mt. Fuji Children's World

富士山こどもの国

Mt. Fuji Children's World is a large outdoor adventure park at the foot of Mount Fuji in Fuji City, Shizuoka Prefecture. The park is currently open 9:00 to 17:00 from April through September and 9:00 to 16:00 from October through March. Regular closed day is Tuesday, but May through October, spring break, Golden Week, year-end/New Year, and national holidays have no closed day; summer 2026 daily operation runs 2026-07-25 through 2026-08-25. Admission is free under elementary age, 200 yen for elementary students, 410 yen for junior-high students, and 830 yen for adults. Free parking for about 1600 cars is available. Confirm same-day hours on the official site before travel.