Around Mt. Yahiko × Detox AccommodationRecommended Hotel·Ryokan

Property "Niigata・Iwamuro Onsen Yumotoya" exudes the charm of Iwamuro Onsen, often referred to as the hidden retreat of Niigata. The elegant architectural beauty and sense of openness will leave you in awe.

A long-established Ryokan boasting smooth natural Onsen waters. The water sourced from Ueno-go Onsen, opened in April 2012, has a pH of 8.3 and excellent quality. Enjoy it alongside Niigata's seasonal flavors, featuring abundant local vegetables and ingredients from Echigo's mountains and seas.

A long-established Ryokan founded in the Meiji era. Relax at Iwamuro Onsen’s largest public bath and unwind in the open-air bath. Enjoy seasonal cuisine made with ingredients nurtured by Niigata’s sea and land.

Located on a hill overlooking the mouth of the Shinano River Okozu Diversion Channel, our facility is situated within the Sado-Yahiko-Yoneyama Quasi-National Park. It offers a stunning location with views of the Sea of Japan and Sado Island in front, as well as sacred Mount Yahiko and picturesque rural landscapes to the right. From your room or our large public bath, you can witness breathtaking sunsets over the Sea of Japan—an unforgettable experience. Enjoy a unique order-style buffet featuring an abundance of fresh seafood made possible by "Teradomari," renowned for its rich bounty from the Sea of Japan.

A property at Iwamuro Onsen, a tranquil retreat in Niigata. The natural onsen, blended from two sources, is close to body temperature, offering high relaxation effects. Ingredients are carefully selected, with rice and vegetables organically cultivated by the owner. Enjoy seasonal vegetables and seafood visually and savor the seasonal flavors unique to Echigo. Relax thoroughly in interiors and rooms designed to suit modern lifestyles.