
Nestled in the Osawayama foothills of Minamiuonuma, this property offers a serene hot spring experience and heartfelt hospitality.


Free cancellation until 2/3/2026 5:00 p.m.(JST)
Recommended room only plan for those arriving late at night or preferring separate meals Relax and unwind in the nature-surrounded Minamiuonuma Bath Osawayama Onsen indoor bath & open-air bath [Usage Hours] Night time: 14:00–23:00 Morning time: 05:00–10:00 The open-air bath is reserved for private use at night (requires reservation) and shared by men and women in the morning. Private open-air bath at night Free for guests - Reservations required with a schedule. Reservations can be made in advance on the official website or at the time of check-in on the day. On the morning of the next day, the bath will be divided by gender. [Usage Hours] Reservation system 15:00, 16:00, 17:00 - Last entry at 22:00 (Usage time: 50 minutes) [In-room Refrigerator Service] In celebration of the renewal, we are giving one can of beer per person and three soft drinks as a gift! Customers bringing children, please write their ages in the remarks column ] For children aged 3 and above but not yet in school, please book under 'Child (with meal and futon)' ] For children aged 3 and under, please book under 'Child (without meal but with futon)' or 'Child (with meal but without futon)' ] Infants aged 0 are free; please write this in the remarks column For customers bringing pets ] Facility usage fee: 2200 yen per pet per night (available only for pet-friendly rooms, up to 2 pets per room, prior contact required) ] Pets are not allowed in the large public bath, private baths, in-room baths, or any bathing facilities, as well as the second floor of the main building ] Please make sure to include pet information in the remarks column when making a reservation
Consumption tax (from 10/1/2019) (Per person per night) 10%

Free cancellation until 2/3/2026 5:00 p.m.(JST)
Recommended breakfast-included plan for those arriving late at night or preferring dinner elsewhere Relax and unwind in the nature-surrounded Minamiuonuma Bath Osawayama Onsen indoor bath & open-air bath [Usage Hours] Night time: 14:00–23:00 Morning time: 05:00–10:00 The open-air bath is reserved for private use at night (requires reservation) and shared by men and women in the morning. Private open-air bath at night Free for guests - Reservations required with a schedule. Reservations can be made in advance on the official website or at the time of check-in on the day. On the morning of the next day, the bath will be divided by gender. [Usage Hours] Reservation system 15:00, 16:00, 17:00 - Last entry at 22:00 (Usage time: 50 minutes) [Breakfast] Served in the banquet hall as individual portions; enjoy unlimited refills of rice with a traditional Japanese set meal. [Usage Hours] 7:30–10:00 (Last entry at 9:30) (Please inform the front desk of your preferred time at check-in) [In-room Refrigerator Service] In celebration of the renewal, we are giving one can of beer per person and three soft drinks as a gift! Customers bringing children, please write their ages in the remarks column ] For children aged 3 and above but not yet in school, please book under 'Child (with meal and futon)' ] For children aged 3 and under, please book under 'Child (without meal but with futon)' or 'Child (with meal but without futon)' ] Infants aged 0 are free; please write this in the remarks column For customers bringing pets ] Facility usage fee: 2200 yen per pet per night (available only for pet-friendly rooms, up to 2 pets per room, prior contact required) ] Pets are not allowed in the large public bath, private baths, in-room baths, or any bathing facilities, as well as the second floor of the main building ] Please make sure to include pet information in the remarks column when making a reservation
Consumption tax (from 10/1/2019) (Per person per night) 10%

Free cancellation until 2/3/2026 5:00 p.m.(JST)
'Sado Island Gold Mine' World Heritage Registration 1st Anniversary [Abundant Nature] Relax in the nature-surrounded Minamiuonuma... Breakfast-Included Plan Bath Osawayama Onsen indoor bath & open-air bath [Usage Hours] Night time: 14:00–23:00 Morning time: 05:00–10:00 The open-air bath is reserved for private use at night (requires reservation) and shared by men and women in the morning. Private open-air bath at night Free for guests - Reservations required with a schedule. Reservations can be made in advance on the official website or at the time of check-in on the day. On the morning of the next day, the bath will be divided by gender. [Usage Hours] Reservation system 15:00, 16:00, 17:00 - Last entry at 22:00 (Usage time: 50 minutes) [Breakfast] Served in the banquet hall as individual portions; enjoy unlimited refills of rice with a traditional Japanese set meal. [Usage Hours] 7:30–10:00 (Last entry at 9:30) (Please inform the front desk of your preferred time at check-in) Customers bringing children, please write their ages in the remarks column ] For children aged 3 and above but not yet in school, please book under 'Child (with meal and futon)' ] For children aged 3 and under, please book under 'Child (without meal but with futon)' or 'Child (with meal but without futon)' ] Infants aged 0 are free; please write this in the remarks column For customers bringing pets ] Facility usage fee: 2200 yen per pet per night (available only for pet-friendly rooms, up to 2 pets per room, prior contact required) ] Pets are not allowed in the large public bath, private baths, in-room baths, or any bathing facilities, as well as the second floor of the main building ] Please make sure to include pet information in the remarks column when making a reservation
Consumption tax (from 10/1/2019) (Per person per night) 10%
Superior Japanese room, Mountain view, Non-smoking


Free cancellation until 2/3/2026 5:00 p.m.(JST)
Recommended room only plan for those arriving late at night or preferring separate meals Relax and unwind in the nature-surrounded Minamiuonuma Bath Osawayama Onsen indoor bath & open-air bath [Usage Hours] Night time: 14:00–23:00 Morning time: 05:00–10:00 The open-air bath is reserved for private use at night (requires reservation) and shared by men and women in the morning. Private open-air bath at night Free for guests - Reservations required with a schedule. Reservations can be made in advance on the official website or at the time of check-in on the day. On the morning of the next day, the bath will be divided by gender. [Usage Hours] Reservation system 15:00, 16:00, 17:00 - Last entry at 22:00 (Usage time: 50 minutes) [In-room Refrigerator Service] In celebration of the renewal, we are giving one can of beer per person and three soft drinks as a gift! Customers bringing children, please write their ages in the remarks column ] For children aged 3 and above but not yet in school, please book under 'Child (with meal and futon)' ] For children aged 3 and under, please book under 'Child (without meal but with futon)' or 'Child (with meal but without futon)' ] Infants aged 0 are free; please write this in the remarks column For customers bringing pets ] Facility usage fee: 2200 yen per pet per night (available only for pet-friendly rooms, up to 2 pets per room, prior contact required) ] Pets are not allowed in the large public bath, private baths, in-room baths, or any bathing facilities, as well as the second floor of the main building ] Please make sure to include pet information in the remarks column when making a reservation
Consumption tax (from 10/1/2019) (Per person per night) 10%

Free cancellation until 2/3/2026 5:00 p.m.(JST)
'Sado Island Gold Mine' World Heritage Registration 1st Anniversary [Abundant Nature] Relax in the nature-surrounded Minamiuonuma... Breakfast-Included Plan Bath Osawayama Onsen indoor bath & open-air bath [Usage Hours] Night time: 14:00–23:00 Morning time: 05:00–10:00 The open-air bath is reserved for private use at night (requires reservation) and shared by men and women in the morning. Private open-air bath at night Free for guests - Reservations required with a schedule. Reservations can be made in advance on the official website or at the time of check-in on the day. On the morning of the next day, the bath will be divided by gender. [Usage Hours] Reservation system 15:00, 16:00, 17:00 - Last entry at 22:00 (Usage time: 50 minutes) [Breakfast] Served in the banquet hall as individual portions; enjoy unlimited refills of rice with a traditional Japanese set meal. [Usage Hours] 7:30–10:00 (Last entry at 9:30) (Please inform the front desk of your preferred time at check-in) Customers bringing children, please write their ages in the remarks column ] For children aged 3 and above but not yet in school, please book under 'Child (with meal and futon)' ] For children aged 3 and under, please book under 'Child (without meal but with futon)' or 'Child (with meal but without futon)' ] Infants aged 0 are free; please write this in the remarks column For customers bringing pets ] Facility usage fee: 2200 yen per pet per night (available only for pet-friendly rooms, up to 2 pets per room, prior contact required) ] Pets are not allowed in the large public bath, private baths, in-room baths, or any bathing facilities, as well as the second floor of the main building ] Please make sure to include pet information in the remarks column when making a reservation
Consumption tax (from 10/1/2019) (Per person per night) 10%

Free cancellation until 2/3/2026 5:00 p.m.(JST)
Recommended breakfast-included plan for those arriving late at night or preferring dinner elsewhere Relax and unwind in the nature-surrounded Minamiuonuma Bath Osawayama Onsen indoor bath & open-air bath [Usage Hours] Night time: 14:00–23:00 Morning time: 05:00–10:00 The open-air bath is reserved for private use at night (requires reservation) and shared by men and women in the morning. Private open-air bath at night Free for guests - Reservations required with a schedule. Reservations can be made in advance on the official website or at the time of check-in on the day. On the morning of the next day, the bath will be divided by gender. [Usage Hours] Reservation system 15:00, 16:00, 17:00 - Last entry at 22:00 (Usage time: 50 minutes) [Breakfast] Served in the banquet hall as individual portions; enjoy unlimited refills of rice with a traditional Japanese set meal. [Usage Hours] 7:30–10:00 (Last entry at 9:30) (Please inform the front desk of your preferred time at check-in) [In-room Refrigerator Service] In celebration of the renewal, we are giving one can of beer per person and three soft drinks as a gift! Customers bringing children, please write their ages in the remarks column ] For children aged 3 and above but not yet in school, please book under 'Child (with meal and futon)' ] For children aged 3 and under, please book under 'Child (without meal but with futon)' or 'Child (with meal but without futon)' ] Infants aged 0 are free; please write this in the remarks column For customers bringing pets ] Facility usage fee: 2200 yen per pet per night (available only for pet-friendly rooms, up to 2 pets per room, prior contact required) ] Pets are not allowed in the large public bath, private baths, in-room baths, or any bathing facilities, as well as the second floor of the main building ] Please make sure to include pet information in the remarks column when making a reservation
Consumption tax (from 10/1/2019) (Per person per night) 10%
Superior Japanese-western room, Mountain view, River view, Non-smoking