Completed in 2022, the Senkoji Peak Observatory is a striking contemporary addition to Onomichi's historic hilltop. Designed by architect AS, this transportation facility seamlessly integrates observation and public plaza functions at the summit of Senkoji. The structure offers panoramic views of the Seto Inland Sea and surrounding cityscape, enhancing visitor experiences while serving as a vital transit hub. Its modern design thoughtfully complements the area's cultural heritage, creating a functional landmark that bridges traditional temple grounds with contemporary architectural expression and public engagement.