三笠山自然公園こどもの国
北海道・和寒町・Children’s parkSeasonal
Oversized vehicles (campervans)： The operator publishes nothing about oversized vehicles. We do not guess — call the facility before you go.
Mikasayama Nature Park Kodomo no Kuni is a children's amusement park operated by the town of Wassamu. The 2026 season opens on April 29, running mainly on weekends and holidays from 10:00 to 16:30 (also open on weekdays during summer break). It features go-karts, a "High Screw Tower," a bean-shaped train, "Sky Dumbo," an inflatable bear ride, and battery cars, priced from 100 to 300 yen per ride (go-kart: 200 yen solo, 300 yen for two; High Screw Tower: 200 yen). The same Mikasayama Nature Park also has a campsite, where tent camping is free with no application needed, and bungalows cost 1,200-3,000 yen per night.
Rent a campervan from Osaka
Petit-Cam Villa from ¥9,000/day · JP STAR Happy 1 Turbo from ¥16,000/day (weekday, before tax)
Free pick-up and drop-off in central Osaka and at Kansai Airport