
A natural hot spring inn built on the site of the former residence of Yamauchi Kazutoyo, a feudal lord of Tosa. Providing a relaxing time with sincere hospitality.




[Room Only Plan] This is a recommended plan for those who want to freely enjoy sightseeing in Kochi. Popular spots like Kochi Castle and Sunday Market are within walking distance, allowing you to enjoy exploring the city and sampling local food at your leisure. After enjoying sightseeing, relax and rejuvenate your body and mind in the open-air bath and sauna with natural hot springs inside the facility, and enjoy a tranquil time. Create your own Kochi journey with this accommodation-only plan, allowing you to freely organize your meal schedule. Access ・Kochi Expressway Kochi IC: 15 minutes by car ・Kochi Castle: 7 minutes on foot ・Kochi Castle Historical Museum: 8 minutes on foot ・Sunday Market (Sundays only): 8 minutes on foot ・Hirome Market: 10 minutes on foot ・Ryoma's Birthplace Memorial Museum (Ryoma Statue): 17 minutes on foot ・Makino Botanical Garden: 30 minutes by car ・Nishijima Horticultural Park: 35 minutes by car [The Charm of Sansuien] ・At Sansuien, located on the former estate of the Tosa Domain’s Yamauchi family, you can spend quiet moments in a space where history and modernity harmonize. ・Features the only high-quality natural hot spring open-air bath and sauna in the Kochi Castle area, first discovered in Kochi. ・The executive chef, who has won the Minister of Health, Labour and Welfare Award, visits the market every morning to carefully select the finest seasonal ingredients of Tosa for the day. ・Rooms are available in various types, including Japanese-style, Western-style, and hybrid Japanese-Western-style, to suit your travel purpose and group size. Family trips spanning generations, from children to seniors, as well as popular for couples' or spouses' anniversaries and birthdays.
Consumption tax (from 1/10/2019) (Per person per night) 10%
Service fee (from 12/4/2023) (Per room per night) 15%
Bathing tax (from 1/4/1950) (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.

Free cancellation until 19/10/2026 11:59 p.m.(JST)
During the "Koji Family Dinner Table Citizen Election 2016," among the 54 selected restaurants, you will receive a "Evening Drink Ticket" at check-in to enjoy benefits at restaurants open at night. Enjoy Koji's nightlife with an "Evening Drink Ticket" in hand Search for "Koji Family Dinner Table Evening Drink Ticket" for more details! ( Please note that you may not be able to enter the restaurant due to full occupancy. Advance reservations are recommended. ) ------------------------------------------------ Additional information: ・The Evening Drink Ticket is valid only on the day of your stay. ・The Evening Drink Ticket can only be used at designated restaurants. ------------------------------------------------ Breakfast: Japanese-Western buffet Please enjoy a wide variety of menus such as bread, sausage, egg dishes, salad, fruits, rice, miso soup, and dishes made with local ingredients Breakfast hours: 7:00-9:00 (last entry by 8:30) [Access] ・Kochi Expressway Kochi IC: 15-minute drive by car ・Kochi Castle: 7-minute walk ・Kochi Castle Historical Museum: 8-minute walk ・Sunday Market (Sunday only): 8-minute walk ・Hirome Market: 10-minute walk ・Ryoma Birthplace Memorial Museum (Ryoma Statue): 17-minute walk ・Makino Botanical Garden: 30-minute drive ・Nishijima Floriculture Center: 35-minute drive [The Charm of Sansuien] ・Located at the former residence of the Tosa clan's Yamauchi family, Sansuien offers a tranquil space where history and modernity harmonize ・Equipped with an open-air bath and sauna featuring the only high-quality natural hot spring that first emerged in Kochi Castle town ・The executive chef, awarded the Minister of Health, Labour and Welfare Prize, personally visits the market every morning to carefully select the finest seasonal ingredients of Tosa for the day. ・We offer a variety of room types, including Japanese-style, Western-style, and Japanese-Western-style rooms, to suit the purpose of your trip and the number of guests. ・Popular for family trips spanning generations from children to seniors, as well as for couples' and spouses' anniversaries or birthday celebrations.
Consumption tax (from 1/10/2019) (Per person per night) 10%
Service fee (from 12/4/2023) (Per room per night) 15%
Bathing tax (from 1/4/1950) (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.

Free cancellation until 19/10/2026 11:59 p.m.(JST)
[Breakfast included plan] Perfectly located as a base for sightseeing in Kochi Within walking distance to popular spots like Kochi Castle and Sunday Market, ideal for carefree food tours and city strolling After enjoying sightseeing, relax in the open-air bath with natural hot springs within the facility for a soothing moment Start your day with a Japanese-Western buffet featuring seasonal Tosa flavors, and enjoy a pleasant day with local tastes Breakfast: Japanese-Western buffet Please enjoy a wide variety of menus such as bread, sausage, egg dishes, salad, fruits, rice, miso soup, and dishes made with local ingredients Breakfast hours: 7:00-9:00 (last entry by 8:30) [Access] ・Kochi Expressway Kochi IC: 15-minute drive by car ・Kochi Castle: 7-minute walk ・Kochi Castle Historical Museum: 8-minute walk ・Sunday Market (Sunday only): 8-minute walk ・Hirome Market: 10-minute walk ・Ryoma Birthplace Memorial Museum (Ryoma Statue): 17-minute walk ・Makino Botanical Garden: 30-minute drive ・Nishijima Floriculture Center: 35-minute drive [The Charm of Sansuien] ・Located at the former residence of the Tosa clan's Yamauchi family, Sansuien offers a tranquil space where history and modernity harmonize ・Equipped with an open-air bath and sauna featuring the only high-quality natural hot spring that first emerged in Kochi Castle town ・The executive chef, awarded the Minister of Health, Labour and Welfare Prize, personally visits the market every morning to carefully select the finest seasonal ingredients of Tosa for the day. ・We offer a variety of room types, including Japanese-style, Western-style, and Japanese-Western-style rooms, to suit the purpose of your trip and the number of guests. ・Popular for family trips spanning generations from children to seniors, as well as for couples' and spouses' anniversaries or birthday celebrations.
Consumption tax (from 1/10/2019) (Per person per night) 10%
Service fee (from 12/4/2023) (Per room per night) 15%
Bathing tax (from 1/4/1950) (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.
Twin room, Smoking (Western-style room)




[Room Only Plan] This is a recommended plan for those who want to freely enjoy sightseeing in Kochi. Popular spots like Kochi Castle and Sunday Market are within walking distance, allowing you to enjoy exploring the city and sampling local food at your leisure. After enjoying sightseeing, relax and rejuvenate your body and mind in the open-air bath and sauna with natural hot springs inside the facility, and enjoy a tranquil time. Create your own Kochi journey with this accommodation-only plan, allowing you to freely organize your meal schedule. Access ・Kochi Expressway Kochi IC: 15 minutes by car ・Kochi Castle: 7 minutes on foot ・Kochi Castle Historical Museum: 8 minutes on foot ・Sunday Market (Sundays only): 8 minutes on foot ・Hirome Market: 10 minutes on foot ・Ryoma's Birthplace Memorial Museum (Ryoma Statue): 17 minutes on foot ・Makino Botanical Garden: 30 minutes by car ・Nishijima Horticultural Park: 35 minutes by car [The Charm of Sansuien] ・At Sansuien, located on the former estate of the Tosa Domain’s Yamauchi family, you can spend quiet moments in a space where history and modernity harmonize. ・Features the only high-quality natural hot spring open-air bath and sauna in the Kochi Castle area, first discovered in Kochi. ・The executive chef, who has won the Minister of Health, Labour and Welfare Award, visits the market every morning to carefully select the finest seasonal ingredients of Tosa for the day. ・Rooms are available in various types, including Japanese-style, Western-style, and hybrid Japanese-Western-style, to suit your travel purpose and group size. Family trips spanning generations, from children to seniors, as well as popular for couples' or spouses' anniversaries and birthdays.
Consumption tax (from 1/10/2019) (Per person per night) 10%
Service fee (from 12/4/2023) (Per room per night) 15%
Bathing tax (from 1/4/1950) (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.

Free cancellation until 19/10/2026 11:59 p.m.(JST)
During the "Koji Family Dinner Table Citizen Election 2016," among the 54 selected restaurants, you will receive a "Evening Drink Ticket" at check-in to enjoy benefits at restaurants open at night. Enjoy Koji's nightlife with an "Evening Drink Ticket" in hand Search for "Koji Family Dinner Table Evening Drink Ticket" for more details! ( Please note that you may not be able to enter the restaurant due to full occupancy. Advance reservations are recommended. ) ------------------------------------------------ Additional information: ・The Evening Drink Ticket is valid only on the day of your stay. ・The Evening Drink Ticket can only be used at designated restaurants. ------------------------------------------------ Breakfast: Japanese-Western buffet Please enjoy a wide variety of menus such as bread, sausage, egg dishes, salad, fruits, rice, miso soup, and dishes made with local ingredients Breakfast hours: 7:00-9:00 (last entry by 8:30) [Access] ・Kochi Expressway Kochi IC: 15-minute drive by car ・Kochi Castle: 7-minute walk ・Kochi Castle Historical Museum: 8-minute walk ・Sunday Market (Sunday only): 8-minute walk ・Hirome Market: 10-minute walk ・Ryoma Birthplace Memorial Museum (Ryoma Statue): 17-minute walk ・Makino Botanical Garden: 30-minute drive ・Nishijima Floriculture Center: 35-minute drive [The Charm of Sansuien] ・Located at the former residence of the Tosa clan's Yamauchi family, Sansuien offers a tranquil space where history and modernity harmonize ・Equipped with an open-air bath and sauna featuring the only high-quality natural hot spring that first emerged in Kochi Castle town ・The executive chef, awarded the Minister of Health, Labour and Welfare Prize, personally visits the market every morning to carefully select the finest seasonal ingredients of Tosa for the day. ・We offer a variety of room types, including Japanese-style, Western-style, and Japanese-Western-style rooms, to suit the purpose of your trip and the number of guests. ・Popular for family trips spanning generations from children to seniors, as well as for couples' and spouses' anniversaries or birthday celebrations.
Consumption tax (from 1/10/2019) (Per person per night) 10%
Service fee (from 12/4/2023) (Per room per night) 15%
Bathing tax (from 1/4/1950) (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.

Free cancellation until 19/10/2026 11:59 p.m.(JST)
[Breakfast included plan] Perfectly located as a base for sightseeing in Kochi Within walking distance to popular spots like Kochi Castle and Sunday Market, ideal for carefree food tours and city strolling After enjoying sightseeing, relax in the open-air bath with natural hot springs within the facility for a soothing moment Start your day with a Japanese-Western buffet featuring seasonal Tosa flavors, and enjoy a pleasant day with local tastes Breakfast: Japanese-Western buffet Please enjoy a wide variety of menus such as bread, sausage, egg dishes, salad, fruits, rice, miso soup, and dishes made with local ingredients Breakfast hours: 7:00-9:00 (last entry by 8:30) [Access] ・Kochi Expressway Kochi IC: 15-minute drive by car ・Kochi Castle: 7-minute walk ・Kochi Castle Historical Museum: 8-minute walk ・Sunday Market (Sunday only): 8-minute walk ・Hirome Market: 10-minute walk ・Ryoma Birthplace Memorial Museum (Ryoma Statue): 17-minute walk ・Makino Botanical Garden: 30-minute drive ・Nishijima Floriculture Center: 35-minute drive [The Charm of Sansuien] ・Located at the former residence of the Tosa clan's Yamauchi family, Sansuien offers a tranquil space where history and modernity harmonize ・Equipped with an open-air bath and sauna featuring the only high-quality natural hot spring that first emerged in Kochi Castle town ・The executive chef, awarded the Minister of Health, Labour and Welfare Prize, personally visits the market every morning to carefully select the finest seasonal ingredients of Tosa for the day. ・We offer a variety of room types, including Japanese-style, Western-style, and Japanese-Western-style rooms, to suit the purpose of your trip and the number of guests. ・Popular for family trips spanning generations from children to seniors, as well as for couples' and spouses' anniversaries or birthday celebrations.
Consumption tax (from 1/10/2019) (Per person per night) 10%
Service fee (from 12/4/2023) (Per room per night) 15%
Bathing tax (from 1/4/1950) (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.
Twin room, Non-smoking (Japanese Modern)