Natural Spring
Our waters are a true gift from nature, emerging from the earth at a temperature of at least 25°C and rich in therapeutic minerals, defining a true onsen experience.

Iwai Onsen Iwai View Hotel
Yamanashi • Fuefuki City
Hotel Kasugai - Ishiwa
Yamanashi • Fuefuki City
Chateraise Hotel Isawa
Yamanashi • Fuefuki City

Tabist Sakura no Yakata Hotel
Yamanashi • Fuefuki City
Isawa Tokiwa Hotel
Yamanashi • Fuefuki City

Ryokan Izumiyaso
Yamanashi • Fuefuki City

Iwai Onsen Youth Hostel
Yamanashi • Fuefuki City
Iwahashi Foot Bath Plaza
Yamanashi • Fuefuki City
Kayagi no Shou Keizan - Ishiwa
Yamanashi • Fuefuki City
Chateraise Hotel Ryokan Fujinoya (formerly Fujinoya Yutei)
Yamanashi • Fuefuki City
Hotel Fuji - Ishiwa
Yamanashi • Fuefuki City
Ishiwana Yukan Itoyagi
Yamanashi • Fuefuki City
Bettei Hanasui - Isawa
Yamanashi • Fuefuki City
Hotel Kohakuen - Ishiwa
Yamanashi • Fuefuki City

Maruyama-no-Yu Inn
Nagano • Iida City
Gessen no Sato Tsukigawa Onsen Nokumano-sho Tsukigawa
Nagano • Achi Village, Shimoina District

Tenryu Suijin Onsen Yoshino-tei
Nagano • Iida City
Sunaharai Onsen - Iida (Nagano)
Nagano • Iida City
Super Hotel Nagano Iida Inter Iida Castle's Hot Spring
Nagano • Iida City

Takarano-yu
Nagano • Iida City
Ryukyo-tei Inn with Scenic Views
Nagano • Iida City

Achi Natural Hot Spring, Yamaboshi Hotel & Glamping
Nagano • Achi Village, Shimoina District
Fureai Station Ryusen Kaku Ryusen no Yu
Nagano • Tenryu Village, Shimoina District

Urugi Natural Recreation Village Center Sasayuri-so
Nagano • Urugi, Shimoina District




































