VIZ Spa House Tomamu is an indoor recreational facility completed in 1991 located in Tomamu, Yubari District, Hokkaido. Designed by KSLW and Obayashi Corporation, this architectural work showcases thoughtful integration with its natural surroundings in Hokkaido's mountainous terrain. The facility represents an important example of 1990s Japanese leisure architecture, combining functional sports amenities with spa experiences. The collaborative design approach between KSLW and the renowned construction firm Obayashi demonstrates sophisticated architectural planning for alpine resort infrastructure. This building remains notable for its contribution to Tomamu's development as a comprehensive recreational destination.