
A unique inn with only private reservable springs. Offering 18 directly sourced open-air hot springs and four indoor baths. No separate fees or reservations required. Baths open 24 hours a day.


Free cancellation until 6/19/2026 11:59 p.m.(JST)
[Plan Overview] A popular standard banquet cuisine plan with 1-night and 2-meals to fully enjoy the charm of Ryudo. For dinner, we offer banquet cuisine featuring seasonal flavors, including Gunma Prefecture's "Joshu Beef." Indulge in the luxury of hot springs directly drawn from the property's own source, enjoying all 18 open-air baths privately with free-flowing natural hot spring water. Reservations and additional charges are not required. You can enjoy hot spring hopping as many times as you like at your preferred time. Spend a serene moment soaking in the hot springs while listening to the murmuring of the river, surrounded by nature. [Bathroom] The biggest charm of Ryudo is its "Hot Spring Hopping Theme Park," featuring 18 types of private open-air baths with 100% natural hot spring water. Enjoy a special hot spring experience surrounded by steam and nature. Widely popular for family trips with children, multi-generational family vacations, couples, and anniversaries for married couples. <Hot Spring Tour Points> ・All 18 types are available for private use! No reservation or additional fees required; enjoy unlimited access. Genuine hot spring water with no dilution or recirculation. ・Diverse locations such as along streams, in forests, with waterfall views, or on rock beds. ・Experience the charm of each season: fresh greenery in spring, fireflies in summer, autumn leaves, and snow views in winter. ・Complete the stamp rally for a commemorative gift! [Dinner] Prepared in a dedicated private room in the dining area on the first floor of the South Wing. The main dish is Gunma Prefecture's premium brand beef, "Joshu Beef," grilled on a ceramic plate. Savor the gentle, rich flavor and aroma of the beef, along with seasonal banquet cuisine made with carefully selected ingredients by the head chef. <Sample Menu> - Sweet simmered monkfish liver - Chrysanthemum greens namul - Grated yam with cod roe - Marinated radish and turnip - Mustard-dressed komatsuna greens - Maple trout - Gunma Prefecture's konjac - Japanese-style fried ayu fish ・Assorted seasonal tempura ・Nepalese curry with simmered daikon ・Joshu beef grilled on a ceramic plate (90g) ・Locally produced Koshihikari rice (Mr. Katsumasa's family rice) ・Soup ・Pickles (homemade rice bran pickles) ・Seasonal dessert The menu may change depending on the season or supply conditions. [Breakfast] We offer Japanese-style meals typical of a hot spring inn. Freshly cooked local Koshihikari rice, accompanied by small dishes and miso soup made with seasonal ingredients, Spend a peaceful time in the pure morning air. [In-house facilities] ・Free parking ・Private open-air bath use is free / No reservation required (Bath-hopping passport system) ・Complimentary drink service in the lobby
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Japanese room, River view, Smoking (East Wing [Japanese-style room] 12 tatami)


Free cancellation until 6/19/2026 11:59 p.m.(JST)
[Plan Overview] A popular standard banquet cuisine plan with 1-night and 2-meals to fully enjoy the charm of Ryudo. For dinner, we offer banquet cuisine featuring seasonal flavors, including Gunma Prefecture's "Joshu Beef." Indulge in the luxury of hot springs directly drawn from the property's own source, enjoying all 18 open-air baths privately with free-flowing natural hot spring water. Reservations and additional charges are not required. You can enjoy hot spring hopping as many times as you like at your preferred time. Spend a serene moment soaking in the hot springs while listening to the murmuring of the river, surrounded by nature. [Bathroom] The biggest charm of Ryudo is its "Hot Spring Hopping Theme Park," featuring 18 types of private open-air baths with 100% natural hot spring water. Enjoy a special hot spring experience surrounded by steam and nature. Widely popular for family trips with children, multi-generational family vacations, couples, and anniversaries for married couples. <Hot Spring Tour Points> ・All 18 types are available for private use! No reservation or additional fees required; enjoy unlimited access. Genuine hot spring water with no dilution or recirculation. ・Diverse locations such as along streams, in forests, with waterfall views, or on rock beds. ・Experience the charm of each season: fresh greenery in spring, fireflies in summer, autumn leaves, and snow views in winter. ・Complete the stamp rally for a commemorative gift! [Dinner] Prepared in a dedicated private room in the dining area on the first floor of the South Wing. The main dish is Gunma Prefecture's premium brand beef, "Joshu Beef," grilled on a ceramic plate. Savor the gentle, rich flavor and aroma of the beef, along with seasonal banquet cuisine made with carefully selected ingredients by the head chef. <Sample Menu> - Sweet simmered monkfish liver - Chrysanthemum greens namul - Grated yam with cod roe - Marinated radish and turnip - Mustard-dressed komatsuna greens - Maple trout - Gunma Prefecture's konjac - Japanese-style fried ayu fish ・Assorted seasonal tempura ・Nepalese curry with simmered daikon ・Joshu beef grilled on a ceramic plate (90g) ・Locally produced Koshihikari rice (Mr. Katsumasa's family rice) ・Soup ・Pickles (homemade rice bran pickles) ・Seasonal dessert The menu may change depending on the season or supply conditions. [Breakfast] We offer Japanese-style meals typical of a hot spring inn. Freshly cooked local Koshihikari rice, accompanied by small dishes and miso soup made with seasonal ingredients, Spend a peaceful time in the pure morning air. [In-house facilities] ・Free parking ・Private open-air bath use is free / No reservation required (Bath-hopping passport system) ・Complimentary drink service in the lobby
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Japanese room, Hillside view, Mountain view, Non-smoking (South Wing [Japanese-style Room] 8 tatami / Non-smoking)


Free cancellation until 6/19/2026 11:59 p.m.(JST)
[Plan Overview] A popular standard banquet cuisine plan with 1-night and 2-meals to fully enjoy the charm of Ryudo. For dinner, we offer banquet cuisine featuring seasonal flavors, including Gunma Prefecture's "Joshu Beef." Indulge in the luxury of hot springs directly drawn from the property's own source, enjoying all 18 open-air baths privately with free-flowing natural hot spring water. Reservations and additional charges are not required. You can enjoy hot spring hopping as many times as you like at your preferred time. Spend a serene moment soaking in the hot springs while listening to the murmuring of the river, surrounded by nature. [Bathroom] The biggest charm of Ryudo is its "Hot Spring Hopping Theme Park," featuring 18 types of private open-air baths with 100% natural hot spring water. Enjoy a special hot spring experience surrounded by steam and nature. Widely popular for family trips with children, multi-generational family vacations, couples, and anniversaries for married couples. <Hot Spring Tour Points> ・All 18 types are available for private use! No reservation or additional fees required; enjoy unlimited access. Genuine hot spring water with no dilution or recirculation. ・Diverse locations such as along streams, in forests, with waterfall views, or on rock beds. ・Experience the charm of each season: fresh greenery in spring, fireflies in summer, autumn leaves, and snow views in winter. ・Complete the stamp rally for a commemorative gift! [Dinner] Prepared in a dedicated private room in the dining area on the first floor of the South Wing. The main dish is Gunma Prefecture's premium brand beef, "Joshu Beef," grilled on a ceramic plate. Savor the gentle, rich flavor and aroma of the beef, along with seasonal banquet cuisine made with carefully selected ingredients by the head chef. <Sample Menu> - Sweet simmered monkfish liver - Chrysanthemum greens namul - Grated yam with cod roe - Marinated radish and turnip - Mustard-dressed komatsuna greens - Maple trout - Gunma Prefecture's konjac - Japanese-style fried ayu fish ・Assorted seasonal tempura ・Nepalese curry with simmered daikon ・Joshu beef grilled on a ceramic plate (90g) ・Locally produced Koshihikari rice (Mr. Katsumasa's family rice) ・Soup ・Pickles (homemade rice bran pickles) ・Seasonal dessert The menu may change depending on the season or supply conditions. [Breakfast] We offer Japanese-style meals typical of a hot spring inn. Freshly cooked local Koshihikari rice, accompanied by small dishes and miso soup made with seasonal ingredients, Spend a peaceful time in the pure morning air. [In-house facilities] ・Free parking ・Private open-air bath use is free / No reservation required (Bath-hopping passport system) ・Complimentary drink service in the lobby
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Japanese-western room, Hillside view, Mountain view, Non-smoking (West Wing [Japanese-Western style room], Living room 8 tatami + 2nd floor bedroom 6 tatami + indoor bath / non-smoking)


Free cancellation until 6/19/2026 11:59 p.m.(JST)
[Plan Overview] A popular standard banquet cuisine plan with 1-night and 2-meals to fully enjoy the charm of Ryudo. For dinner, we offer banquet cuisine featuring seasonal flavors, including Gunma Prefecture's "Joshu Beef." Indulge in the luxury of hot springs directly drawn from the property's own source, enjoying all 18 open-air baths privately with free-flowing natural hot spring water. Reservations and additional charges are not required. You can enjoy hot spring hopping as many times as you like at your preferred time. Spend a serene moment soaking in the hot springs while listening to the murmuring of the river, surrounded by nature. [Bathroom] The biggest charm of Ryudo is its "Hot Spring Hopping Theme Park," featuring 18 types of private open-air baths with 100% natural hot spring water. Enjoy a special hot spring experience surrounded by steam and nature. Widely popular for family trips with children, multi-generational family vacations, couples, and anniversaries for married couples. <Hot Spring Tour Points> ・All 18 types are available for private use! No reservation or additional fees required; enjoy unlimited access. Genuine hot spring water with no dilution or recirculation. ・Diverse locations such as along streams, in forests, with waterfall views, or on rock beds. ・Experience the charm of each season: fresh greenery in spring, fireflies in summer, autumn leaves, and snow views in winter. ・Complete the stamp rally for a commemorative gift! [Dinner] Prepared in a dedicated private room in the dining area on the first floor of the South Wing. The main dish is Gunma Prefecture's premium brand beef, "Joshu Beef," grilled on a ceramic plate. Savor the gentle, rich flavor and aroma of the beef, along with seasonal banquet cuisine made with carefully selected ingredients by the head chef. <Sample Menu> - Sweet simmered monkfish liver - Chrysanthemum greens namul - Grated yam with cod roe - Marinated radish and turnip - Mustard-dressed komatsuna greens - Maple trout - Gunma Prefecture's konjac - Japanese-style fried ayu fish ・Assorted seasonal tempura ・Nepalese curry with simmered daikon ・Joshu beef grilled on a ceramic plate (90g) ・Locally produced Koshihikari rice (Mr. Katsumasa's family rice) ・Soup ・Pickles (homemade rice bran pickles) ・Seasonal dessert The menu may change depending on the season or supply conditions. [Breakfast] We offer Japanese-style meals typical of a hot spring inn. Freshly cooked local Koshihikari rice, accompanied by small dishes and miso soup made with seasonal ingredients, Spend a peaceful time in the pure morning air. [In-house facilities] ・Free parking ・Private open-air bath use is free / No reservation required (Bath-hopping passport system) ・Complimentary drink service in the lobby
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Japanese-western room, Hillside view, Mountain view, Non-smoking (West Wing [Japanese-Western Room] Living room 8 tatami + 2nd floor bedroom 6 tatami + indoor bath + open-air bath / non-smoking)


Free cancellation until 6/19/2026 11:59 p.m.(JST)
[Plan Overview] A popular standard banquet cuisine plan with 1-night and 2-meals to fully enjoy the charm of Ryudo. For dinner, we offer banquet cuisine featuring seasonal flavors, including Gunma Prefecture's "Joshu Beef." Indulge in the luxury of hot springs directly drawn from the property's own source, enjoying all 18 open-air baths privately with free-flowing natural hot spring water. Reservations and additional charges are not required. You can enjoy hot spring hopping as many times as you like at your preferred time. Spend a serene moment soaking in the hot springs while listening to the murmuring of the river, surrounded by nature. [Bathroom] The biggest charm of Ryudo is its "Hot Spring Hopping Theme Park," featuring 18 types of private open-air baths with 100% natural hot spring water. Enjoy a special hot spring experience surrounded by steam and nature. Widely popular for family trips with children, multi-generational family vacations, couples, and anniversaries for married couples. <Hot Spring Tour Points> ・All 18 types are available for private use! No reservation or additional fees required; enjoy unlimited access. Genuine hot spring water with no dilution or recirculation. ・Diverse locations such as along streams, in forests, with waterfall views, or on rock beds. ・Experience the charm of each season: fresh greenery in spring, fireflies in summer, autumn leaves, and snow views in winter. ・Complete the stamp rally for a commemorative gift! [Dinner] Prepared in a dedicated private room in the dining area on the first floor of the South Wing. The main dish is Gunma Prefecture's premium brand beef, "Joshu Beef," grilled on a ceramic plate. Savor the gentle, rich flavor and aroma of the beef, along with seasonal banquet cuisine made with carefully selected ingredients by the head chef. <Sample Menu> - Sweet simmered monkfish liver - Chrysanthemum greens namul - Grated yam with cod roe - Marinated radish and turnip - Mustard-dressed komatsuna greens - Maple trout - Gunma Prefecture's konjac - Japanese-style fried ayu fish ・Assorted seasonal tempura ・Nepalese curry with simmered daikon ・Joshu beef grilled on a ceramic plate (90g) ・Locally produced Koshihikari rice (Mr. Katsumasa's family rice) ・Soup ・Pickles (homemade rice bran pickles) ・Seasonal dessert The menu may change depending on the season or supply conditions. [Breakfast] We offer Japanese-style meals typical of a hot spring inn. Freshly cooked local Koshihikari rice, accompanied by small dishes and miso soup made with seasonal ingredients, Spend a peaceful time in the pure morning air. [In-house facilities] ・Free parking ・Private open-air bath use is free / No reservation required (Bath-hopping passport system) ・Complimentary drink service in the lobby
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Japanese-western room, Hillside view, Mountain view, Non-smoking (Detached building [row house] living room 8 tatami + bedroom 6 tatami + indoor bath + open-air bath / non-smoking)


Free cancellation until 6/19/2026 11:59 p.m.(JST)
[Plan Overview] A popular standard banquet cuisine plan with 1-night and 2-meals to fully enjoy the charm of Ryudo. For dinner, we offer banquet cuisine featuring seasonal flavors, including Gunma Prefecture's "Joshu Beef." Indulge in the luxury of hot springs directly drawn from the property's own source, enjoying all 18 open-air baths privately with free-flowing natural hot spring water. Reservations and additional charges are not required. You can enjoy hot spring hopping as many times as you like at your preferred time. Spend a serene moment soaking in the hot springs while listening to the murmuring of the river, surrounded by nature. [Bathroom] The biggest charm of Ryudo is its "Hot Spring Hopping Theme Park," featuring 18 types of private open-air baths with 100% natural hot spring water. Enjoy a special hot spring experience surrounded by steam and nature. Widely popular for family trips with children, multi-generational family vacations, couples, and anniversaries for married couples. <Hot Spring Tour Points> ・All 18 types are available for private use! No reservation or additional fees required; enjoy unlimited access. Genuine hot spring water with no dilution or recirculation. ・Diverse locations such as along streams, in forests, with waterfall views, or on rock beds. ・Experience the charm of each season: fresh greenery in spring, fireflies in summer, autumn leaves, and snow views in winter. ・Complete the stamp rally for a commemorative gift! [Dinner] Prepared in a dedicated private room in the dining area on the first floor of the South Wing. The main dish is Gunma Prefecture's premium brand beef, "Joshu Beef," grilled on a ceramic plate. Savor the gentle, rich flavor and aroma of the beef, along with seasonal banquet cuisine made with carefully selected ingredients by the head chef. <Sample Menu> - Sweet simmered monkfish liver - Chrysanthemum greens namul - Grated yam with cod roe - Marinated radish and turnip - Mustard-dressed komatsuna greens - Maple trout - Gunma Prefecture's konjac - Japanese-style fried ayu fish ・Assorted seasonal tempura ・Nepalese curry with simmered daikon ・Joshu beef grilled on a ceramic plate (90g) ・Locally produced Koshihikari rice (Mr. Katsumasa's family rice) ・Soup ・Pickles (homemade rice bran pickles) ・Seasonal dessert The menu may change depending on the season or supply conditions. [Breakfast] We offer Japanese-style meals typical of a hot spring inn. Freshly cooked local Koshihikari rice, accompanied by small dishes and miso soup made with seasonal ingredients, Spend a peaceful time in the pure morning air. [In-house facilities] ・Free parking ・Private open-air bath use is free / No reservation required (Bath-hopping passport system) ・Complimentary drink service in the lobby
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Japanese-western room, Mountain view, Non-smoking (Detached house [standalone]: Living room 10 tatami + bedroom 6 tatami + indoor bath + open-air bath / non-smoking)