KAIHOUROU is Otaru City Designated Historic Building No. 71 Former ITAYA RESIDENCE.
There is a mansion of Mr. Itaya Miyakichi, the founder of Itaya merchant ship, which is the shipping king of Otaru.
It is located in the elevation of Shinonome-cho, which is about 5 minutes by car from the Otaru Canal.
Today there is a Japanese style main building, a Western style building following the north side, and a stone warehouse behind.This building was built between the Taisho 15th and the 19th Showa era.Following the main building of the wooden building, two-story buildings of Japanese style and Western style are built, Western style buildings are built, the present atmosphere is transmitted.
Western style mortar-painted building has a roof of Mansard covered with copper plate, creating a dignified atmosphere.