Kirosan Observatory Park on Oshima Island has some of the best views along the Shimanami Kaido, a cycle route over the Seto Inland Sea. Built on Mt. Kirosan, over 300 m above sea level, the observatory offers views of the islands of the Seto Inland Sea and the bridges that connect them.

Mt. Ishizuchi is one of Japan's seven sacred peaks. Named "the Stone Hammer" for its characteristic sharp and rocky summit, it is the highest peak in western Japan and is known not only for its beauty but also for the challenge it presents climbers. But after a tough hike up this rugged mountain, you have a chance to relax and enjoy a rare kind of peace and tranquility at its peak.

This remote spot, located upstream on the Niyodo River, is considered one of the top spots to witness the surreal Niyodo Blue color of the river. Nikobuchi is the plunge pool of a short but powerful waterfall, and the water is so transparent that despite the churning of the falls you can still see every detail on the bottom of the pool.

Shikoku is the smallest and least populous of Japan's four main islands, located to the south of the main Honshu island. It's known for its natural beauty, historical sites, and spiritual significance. Shikoku offers a more tranquil and traditional side of Japan, making it a unique destination for those looking to experience nature, spirituality, and local culture. It had a population of 3.8 million in 2015.

Matsuyama Castle or Matsuyama-jō is a historic and picturesque castle located in Matsuyama City, Ehime Prefecture, Japan. Perched on Mount Katsuyama, the castle is known for its commanding hilltop location, stunning views of the city and surrounding landscapes, and its well-preserved Edo-period architecture.