Around Hoshiriro Onsen Resort × Top-Selling Stays in the Last 24 HoursClose to 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.

Enjoy the seasonal landscapes at Appi Kogen, surrounded by nature. "Shirakaba no Yu," the largest open-air bath in Tohoku, features a serene wooden design and offers a large bath, rock bath, reclining bath, and pot bath. The tents are high-quality bell tents, comfortably accommodating 2-4 people. Dinner includes hotel-made BBQ, and breakfast is a Japanese-Western buffet at the adjacent ANA Crowne Plaza Resort Appi Kogen.