Around Hachimannuma × Accommodation With Private Hot Spring SourceRecommended Hotel·Ryokan

A therapeutic Property at the foot of Mount Yake. With a pH of 1.2 and a source temperature of 98 degrees, it offers Japan's most acidic Onsen directly without any additives. Designed for healing and relaxation, with a nurse always on-site. This Facility focuses on physical and mental health rather than tourism. Breakfast is a buffet, lunch is ordered with meal tickets, and dinner is cafeteria-style to promote health from within. For those wishing to enjoy the Onsen as a tourist attraction, please use the affiliated facility, Shin-Tamagawa Onsen.

Indulge in one of Japan's finest Onsen at a mountain resort near Lake Tazawa. This globally rare Onsen boasts three "Japan's best" features: a strong acidic pH of 1.2 with hydrochloric acid as the main component, a source spring that releases 9,000 liters per minute, and Japan's only natural rock bath, renowned for its therapeutic benefits. Surrounded by beech forests, the Property features a warm, barrier-free design, ensuring a comfortable stay even for elderly guests. Enjoy highly praised meals featuring local specialties such as Akita sake and Hinai chicken. A Property that shines with its comprehensive appeal and pride in its Onsen.

Hidden in the forests of Appi Kogen lies a miracle: Japan’s only “Molden-no-Yu” hot spring.In this quiet retreat surrounded by trees, you’ll discover a mysterious natural spring with a silky, serum-like texture.Sink deeply into the bath and feel daily tension and fatigue melt away, while your skin begins to feel noticeably renewed.At our restaurant, we serve creative Japanese cuisine made with locally sourced ingredients—comforting dishes that gently satisfy both body and soul.The stillness of the forest air, our exceptional hot spring waters, and warm hospitality will guide you toward true restoration.The next morning, in clear light, you’ll meet a version of yourself that feels just a little younger than yesterday—lighter in both body and mind.Please spend your precious holiday here with us.