Izunagaoka Onsen Kobonoyu Honten

A room only plan where you can enjoy unlimited access to natural radium bedrock bath, radon bath, mist sauna, and open-air bath. This plan is recommended for those who prefer dining out or arrive late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Dining area "Kuukai" We offer a wide variety of menu options. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A 'breakfast-included plan' where you can enjoy the natural radium bedrock bath, radon bath, mist sauna, and open-air bath as many times as you like. This plan is recommended for those who prefer dining out for dinner or for those arriving late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals Breakfast: 7:00 to 9:00 Dining location: First-floor dining area Kuukai Your preferred time can be requested at check-in. During busy periods, we may not be able to accommodate your request. Please understand in advance. For dinner, we offer a rich menu that can even be ordered on the day of your stay. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

Currently hosting the 'Hot Spring Tour Story,' where you can enjoy the hot springs of three other facilities in addition to our establishment! Unavailable during holiday consecutive breaks (GW, summer, year-end and New Year busy periods) and facility closure days. Please contact us for more details. ] Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals [Dining Location]1st Floor Dining Area Kuukai Dinner: 17:00 to 21:00 (last order at 20:00) Dinner is served with the 'Wa Nagomi Course' at Shokusai Arakawa, featuring Japanese cuisine and kaiseki dishes. Please enjoy carefully selected fresh seasonal ingredients. *Children will be served a children's meal. If you would like the same meal as adults, please make a reservation as an adult. Breakfast: 7:00 to 9:00 Both dinner and breakfast time preferences will be taken at check-in. During busy periods, we may not be able to accommodate your request. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A room only plan where you can enjoy unlimited access to natural radium bedrock bath, radon bath, mist sauna, and open-air bath. This plan is recommended for those who prefer dining out or arrive late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Dining area "Kuukai" We offer a wide variety of menu options. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A 'breakfast-included plan' where you can enjoy the natural radium bedrock bath, radon bath, mist sauna, and open-air bath as many times as you like. This plan is recommended for those who prefer dining out for dinner or for those arriving late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals Breakfast: 7:00 to 9:00 Dining location: First-floor dining area Kuukai Your preferred time can be requested at check-in. During busy periods, we may not be able to accommodate your request. Please understand in advance. For dinner, we offer a rich menu that can even be ordered on the day of your stay. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

Currently hosting the 'Hot Spring Tour Story,' where you can enjoy the hot springs of three other facilities in addition to our establishment! Unavailable during holiday consecutive breaks (GW, summer, year-end and New Year busy periods) and facility closure days. Please contact us for more details. ] Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals [Dining Location]1st Floor Dining Area Kuukai Dinner: 17:00 to 21:00 (last order at 20:00) Dinner is served with the 'Wa Nagomi Course' at Shokusai Arakawa, featuring Japanese cuisine and kaiseki dishes. Please enjoy carefully selected fresh seasonal ingredients. *Children will be served a children's meal. If you would like the same meal as adults, please make a reservation as an adult. Breakfast: 7:00 to 9:00 Both dinner and breakfast time preferences will be taken at check-in. During busy periods, we may not be able to accommodate your request. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A room only plan where you can enjoy unlimited access to natural radium bedrock bath, radon bath, mist sauna, and open-air bath. This plan is recommended for those who prefer dining out or arrive late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Dining area "Kuukai" We offer a wide variety of menu options. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A 'breakfast-included plan' where you can enjoy the natural radium bedrock bath, radon bath, mist sauna, and open-air bath as many times as you like. This plan is recommended for those who prefer dining out for dinner or for those arriving late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals Breakfast: 7:00 to 9:00 Dining location: First-floor dining area Kuukai Your preferred time can be requested at check-in. During busy periods, we may not be able to accommodate your request. Please understand in advance. For dinner, we offer a rich menu that can even be ordered on the day of your stay. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

Currently hosting the 'Hot Spring Tour Story,' where you can enjoy the hot springs of three other facilities in addition to our establishment! Unavailable during holiday consecutive breaks (GW, summer, year-end and New Year busy periods) and facility closure days. Please contact us for more details. ] Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals [Dining Location]1st Floor Dining Area Kuukai Dinner: 17:00 to 21:00 (last order at 20:00) Dinner is served with the 'Wa Nagomi Course' at Shokusai Arakawa, featuring Japanese cuisine and kaiseki dishes. Please enjoy carefully selected fresh seasonal ingredients. *Children will be served a children's meal. If you would like the same meal as adults, please make a reservation as an adult. Breakfast: 7:00 to 9:00 Both dinner and breakfast time preferences will be taken at check-in. During busy periods, we may not be able to accommodate your request. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A room only plan where you can enjoy unlimited access to natural radium bedrock bath, radon bath, mist sauna, and open-air bath. This plan is recommended for those who prefer dining out or arrive late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Dining area "Kuukai" We offer a wide variety of menu options. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A 'breakfast-included plan' where you can enjoy the natural radium bedrock bath, radon bath, mist sauna, and open-air bath as many times as you like. This plan is recommended for those who prefer dining out for dinner or for those arriving late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals Breakfast: 7:00 to 9:00 Dining location: First-floor dining area Kuukai Your preferred time can be requested at check-in. During busy periods, we may not be able to accommodate your request. Please understand in advance. For dinner, we offer a rich menu that can even be ordered on the day of your stay. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

Currently hosting the 'Hot Spring Tour Story,' where you can enjoy the hot springs of three other facilities in addition to our establishment! Unavailable during holiday consecutive breaks (GW, summer, year-end and New Year busy periods) and facility closure days. Please contact us for more details. ] Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals [Dining Location]1st Floor Dining Area Kuukai Dinner: 17:00 to 21:00 (last order at 20:00) Dinner is served with the 'Wa Nagomi Course' at Shokusai Arakawa, featuring Japanese cuisine and kaiseki dishes. Please enjoy carefully selected fresh seasonal ingredients. *Children will be served a children's meal. If you would like the same meal as adults, please make a reservation as an adult. Breakfast: 7:00 to 9:00 Both dinner and breakfast time preferences will be taken at check-in. During busy periods, we may not be able to accommodate your request. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A room only plan where you can enjoy unlimited access to natural radium bedrock bath, radon bath, mist sauna, and open-air bath. This plan is recommended for those who prefer dining out or arrive late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Dining area "Kuukai" We offer a wide variety of menu options. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A 'breakfast-included plan' where you can enjoy the natural radium bedrock bath, radon bath, mist sauna, and open-air bath as many times as you like. This plan is recommended for those who prefer dining out for dinner or for those arriving late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals Breakfast: 7:00 to 9:00 Dining location: First-floor dining area Kuukai Your preferred time can be requested at check-in. During busy periods, we may not be able to accommodate your request. Please understand in advance. For dinner, we offer a rich menu that can even be ordered on the day of your stay. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

Currently hosting the 'Hot Spring Tour Story,' where you can enjoy the hot springs of three other facilities in addition to our establishment! Unavailable during holiday consecutive breaks (GW, summer, year-end and New Year busy periods) and facility closure days. Please contact us for more details. ] Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals [Dining Location]1st Floor Dining Area Kuukai Dinner: 17:00 to 21:00 (last order at 20:00) Dinner is served with the 'Wa Nagomi Course' at Shokusai Arakawa, featuring Japanese cuisine and kaiseki dishes. Please enjoy carefully selected fresh seasonal ingredients. *Children will be served a children's meal. If you would like the same meal as adults, please make a reservation as an adult. Breakfast: 7:00 to 9:00 Both dinner and breakfast time preferences will be taken at check-in. During busy periods, we may not be able to accommodate your request. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A room only plan where you can enjoy unlimited access to natural radium bedrock bath, radon bath, mist sauna, and open-air bath. This plan is recommended for those who prefer dining out or arrive late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Dining area "Kuukai" We offer a wide variety of menu options. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

A 'breakfast-included plan' where you can enjoy the natural radium bedrock bath, radon bath, mist sauna, and open-air bath as many times as you like. This plan is recommended for those who prefer dining out for dinner or for those arriving late. Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals Breakfast: 7:00 to 9:00 Dining location: First-floor dining area Kuukai Your preferred time can be requested at check-in. During busy periods, we may not be able to accommodate your request. Please understand in advance. For dinner, we offer a rich menu that can even be ordered on the day of your stay. Operating hours: 17:00–21:00 (last order at 20:00) Meals are charged separately from the accommodation fee. Priority for seating is given to guests who have reserved a meal-inclusive plan. Please understand in advance. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.

Currently hosting the 'Hot Spring Tour Story,' where you can enjoy the hot springs of three other facilities in addition to our establishment! Unavailable during holiday consecutive breaks (GW, summer, year-end and New Year busy periods) and facility closure days. Please contact us for more details. ] Hot springs Our facility features a luxurious bathing and relaxation area that abundantly uses 'Hokutolite,' a special natural monument from Tamagawa Onsen in Akita Prefecture known as the 'Miracle Stone,' and 'Bad Gastein Ore' from the world-famous spa resort in Austria's Bad Gastein healing tunnel. Additionally, the hot springs are 'kakenagashi,' meaning the water flows continuously without recirculation. You can enjoy unlimited access to natural radium bedrock baths, radon baths, mist saunas, and outdoor baths for both men and women. Medicinal stone bedrock bath, mist sauna, radon bath: 5:00–24:00, open-air bath: 6:00–23:00 Meals [Dining Location]1st Floor Dining Area Kuukai Dinner: 17:00 to 21:00 (last order at 20:00) Dinner is served with the 'Wa Nagomi Course' at Shokusai Arakawa, featuring Japanese cuisine and kaiseki dishes. Please enjoy carefully selected fresh seasonal ingredients. *Children will be served a children's meal. If you would like the same meal as adults, please make a reservation as an adult. Breakfast: 7:00 to 9:00 Both dinner and breakfast time preferences will be taken at check-in. During busy periods, we may not be able to accommodate your request. *Due to system changes, from April 1, Reiwa 8 (2026), the bathing tax (150 yen per person per night) will not be included in the accommodation fee and will be charged separately. Furthermore, children of elementary school age or younger are exempt from taxation.