About 10 minutes from the Innoshima Kita/Innoshima Minami IC on the Shimanami Kaido. Oyama Shrine is an ancient shrine in the Seto Inland Sea that was founded 1,250 years ago. It is a rare bicycle shrine in Japan, and is visited by many cyclists from both Japan and overseas. It is also known as the shrine of the god of architecture, the god of ears, and the shrine associated with the Murakami pirates. Located on a small hill, you can enjoy a scenic view of the islands of the Seto Inland Sea.