At the time of its establishment, it was a popular place for local customers to hold banquets. It also serves as an inn for guests of medicine dealers from Toyama and Niigata.
Moved to the present location in front of the station to make it easier for customers to visit the Isawa area, where the railroad had just opened.
Hot spring water gushes out from the vineyard. The hot spring water that flowed into the surrounding river was featured on TV as "Aozora Onsen" and became popular.
Ryokans and hotels opened one after another after the Isawa Onsen (hot spring) started to flow out. Itoyanagi also took a new step forward as a "gastronomic ryokan" when hot spring water gushed out on the premises.
The capacity of the building is greatly increased by expansion.
The new building has a total of 44 rooms, and the service as a ryokan is enhanced.
The hotel begins operations as a luxury ryokan with a total of 12 rooms, including guest rooms with open-air baths, also in the Ishiwa Hot Springs area.
Taking over the name "Tsuchiya" from the time of its establishment, the restaurant manufactures and sells guest room sweets and souvenirs.
It has a total of 19 guest rooms with open-air baths based on the concept of beauty, health, and healing. Itoyanagi, Wajoen, and Kunitachi together form the Heart First Group.
Due to the coronavirus pandemic, the direction of inns is changed from group inns to individual inns. Arashi no Yu" opens at Itoyanagi and guest rooms are renovated.
Itoyanagi: Renewal opening of 4 "Shizuku" special rooms with open-air bath, 4 "Asobigusa" special rooms, and "Saika" dining room. Further enhanced services to individual ryokan.
Wajo-en: The guest rooms "Fuefuki" and "Ohshuku" were renovated to Japanese-style rooms, and the guest rooms "Oshino" and "Fuji" were renovated to maisonette rooms. The guest room "Kaikoma" will be converted into a dining room, and the hotel will become a ryokan with 9 rooms instead of 12.
Kunitachi: Lounge "Yama no Ohanashi", dining rooms "Urara" and "Nodoka", and guest room "Yamazakura" will be opened.
The name was changed from "Kutsurogi-no-Tei Kunitachi" to "Itoyanagi Koyado Yuwa", a relaxing time that will unwind your heart.