Base Valley is a residential project completed in 2007, designed by architect Hiroshi Sanbuichi. Located in Yamaguchi Prefecture, this house exemplifies contemporary Japanese residential design with careful attention to the relationship between interior spaces and the natural landscape. The architect's distinctive approach integrates site-specific conditions and environmental factors into the building's form and material selection. Base Valley represents a thoughtful exploration of how modern dwellings can harmoniously coexist with their surroundings while providing functional living spaces for its inhabitants.