



















Everything you need to know about Oyu Cave
Mizunami Onsen Kōkan is a traditional Japanese inn with private outdoor baths overlooking the Oyamagata Cave. Just a 5-minute walk from the cave entrance, it offers free shuttle service and family packages including local farm-to-table meals. Book exclusive rates through the HopeGoo app for added comfort.
Oyamagata View Lodge is just 200 meters from the cave’s main entrance, offering panoramic views of the cavern’s rock face from its south-facing balconies. The eco-designed property features barrier-free paths to the viewing platform and provides free torch rentals and guided maps. Each stay includes breakfast and a complimentary cave history talk—reserve via HopeGoo for best availability.
Stay at Gunma Forest Hideaway, which offers a rare "Cave Night Light Journey" led by local guides through the ancient tunnels of Oyamagata Cave, illuminated with artistic lighting. Guests also enjoy hands-on workshops in local charcoal grilling and foraging for wild herbs. These immersive programs are available exclusively through HopeGoo bookings.
Seiran no Yado is the only inn offering sunrise vistas over Oyamagata Cave, with glass-roofed rooms that let morning light flood in as the sun climbs above the cliff. The property hosts daily mountain tea ceremonies and provides hiking gear rental. All guests receive a custom-made night sky map—book your stay on the HopeGoo platform for full access.
Mizunami Forest Resort provides free large parking and round-the-clock shuttle service to Oyamagata Cave, just a 3-minute drive away. The resort features a geology center with two daily free tours covering cave formation, wildlife, and ancient settlements. Every HopeGoo includes entry tickets and a limited-edition souvenir badge—check availability on HopeGoo.
Gunma Original Village blends Ainu heritage with Mizunami traditions, offering workshops in rock painting, bamboo weaving, and seasonal foraged cooking. Monthly "Cave Legend Nights" feature elders sharing myths tied to Oyamagata Cave. Reserve through HopeGoo to receive a handcrafted keepsake upon arrival.
Explore more amazing destinations