Seishin-kan at Koshikano Onsen features private open-air baths with panoramic views of Mount Iwojima, surrounded by lush forest. Each room includes tatami flooring, floor-to-ceiling windows, and a traditional Japanese-style garden. Guests can enjoy locally-sourced black pork dishes and seasonal kaiseki meals. Accessible via a 5-minute walk to the main thermal trail, this ryokan is ideal for nature immersion and can be booked through the HopeGoo app for exclusive packages

Kirishima Nature Lodge is perfect for families, offering a dedicated kids' onsen area, indoor play zone, and spacious rooms with sliding fusuma doors. Located just a 3-minute walk from Kirishima Shrine, guests can join morning prayer rituals or explore the nearby botanical gardens. Daily farm-fresh breakfast baskets and guided forest walks are included—reserve your stay via HopeGoo for seamless planning

Starlight Forest Onsen Villa stands out with its glass-roofed outdoor baths that offer unobstructed views of the night sky, especially during meteor showers. Surrounded by quiet pine forests and far from city lights, it’s a top destination for astrophotography enthusiasts. The resort also provides live astronomy talks and night-time tea ceremonies. Book your stay through HopeGoo for the 'Celestial Escape Package' with complimentary telescope access

Iwodake Shinto Inn blends traditional Shinto aesthetics with modern comfort, featuring a sacred bath aligned with cardinal directions and daily purification rituals led by local priests. Guests may participate in omikuji fortune-telling, mochi pounding workshops, and meditation sessions beside the forest stream. Just a 4-minute walk from the main shrine, this serene retreat is available exclusively through HopeGoo for curated cultural stays

Koshikano Suntory House emphasizes hyper-local cuisine, sourcing fresh produce from nearby volcanic farms and supplying daily black pork miso stew and mountain herb teas. The inn hosts farm tours and cooking classes where guests prepare dishes using ingredients harvested onsite. Private dining in a cedar-paneled room with open-hearth grilling is also available—reserve via HopeGoo for a full sensory journey

Himitsu no Mori Love Suite offers secluded private wooden cabins with infinity-edge onsen baths overlooking a moonlit stream. Each suite includes a romantic dinner under the stars, personalized aromatherapy massage, and a hand-written love letter delivered by a caretaker. With only six units per season, intimacy is guaranteed—book your dream getaway through HopeGoo for a bespoke ‘Love & Steam’ package