
Natural hot springs / A few minutes' drive from Sakudaira Shinkansen Station and the Saku interchange / Services include amacha tea, coffee, homemade shochu, and famous mineral water


Free cancellation until 5/18/2026 11:59 p.m.(JST)
Dinner is the 'Carp Simmered Dish and Carp Sashimi Plan.' If you wish for the 'All-Carp Plan,' an additional 3,100 yen will be required. If you are not fond of carp dishes, please let us know when making your reservation. It is said that the hot spring was excavated during the Muromachi period by the owner of this establishment. At that time, government officials were entertained, and letters of appreciation were received from Shogun Ashikaga Yoshimasa and successive Ashikaga shoguns. The letters of appreciation are on display. Exhibition available. It is also said that Takeda Shingen bathed here, and a hanging scroll received in gratitude remains. The central pillar features a cylindrical crystal rod with a length of one shaku (approximately 30 cm) and thickness of one sun (approximately 3 cm), and it is said to have been named "Asahi-yu" because the morning sun could be seen through it. The local lord of Iwamurata also bathed here, and records, bath buckets, signage, branding tools, and more have been preserved. In the Meiji era, it became a hotel, and plans were made for the Emperor to bathe here, but due to an outbreak of infectious disease in the area, the visit was canceled. On the other hand, Asahi-yu was loved by literary figures and artists such as Mokusu Wakayama, Toson Shimazaki, Hakushu Kitahara, Santoka Taneda, Issa Kobayashi, and Hokusai Katsushika. In Meiji 37, 43 people in the town invested in renovating a traditional hot spring facility. During the war, it became a military dormitory, and more than 200 soldiers bathed every day. For hundreds of years, there is no example in the prefecture where the eldest son of a family has protected the hot springs from generation to generation, and it is the "oldest hot spring inn in Shinshu" that still exists. In addition, it received the Governor's Commendation as the oldest company in the prefecture that has been in business for a long time. *26 Sansei No. 105. The hot springs are silicic acid cold mineral springs and are extremely thick, and the water colors are red, white, yellow, brown, black, green, It may change one after another, such as transparent and blue. The hot spring water is unheated, sterilized, unfiltered, water-added, additive-free, and tank-free, and 100% undiluted liquid enters the bathtub. The source is 1 meter directly below the bathtub, so the hot spring comes out of the faucet without touching the air in a few seconds. Please enjoy its color, aroma, taste, and texture. Drinking water spring. Admission until 7:00 PM. Dinner last order is at 8:00 PM. Spring closed from 9 PM to 7 AM. Breakfast from 7:30 to 8:30. Full cancellation fee applies if arrival time is missed without prior notice. It is fine to go out after checking in. Lighting may be dimmed at 9:00 PM. The front desk does not operate from 9:00 PM to 7:00 AM. Departure between 7 AM and 10 AM.
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.
Japanese room, Non-smoking