Shioizawa Edogawa-so is a distinctive lodging facility completed in 1988, located in Shioizawa Town, Minamiuonuma District, Niigata Prefecture. Designed by Oka Sekkei, this architectural work represents the architectural design philosophy of the late 1980s. The building exemplifies thoughtful hospitality design principles, harmonizing with its natural surroundings in the Niigata region. Its design reflects careful consideration of guest experience and environmental integration, making it a notable example of contemporary Japanese resort architecture from that era.