Yashima is a captivating destination located in northeastern Takamatsu City, Kagawa, celebrated for its remarkable geological features and rich history. Designated as part of the Setonaikai National Park in 1934, Yashima, meaning "Roof Island," is known for its table-like plateau shaped by unique rock formations and stunning escarpments. With its elevation reaching 300 meters, Yashima offers visitors a range of outdoor activities, including mountain climbing and hiking, along with opportunities to explore its diverse flora and fauna.

The region is steeped in culture and history, featuring significant sites like Yashima Castle, Yashima Temple, and locations tied to the Genpei War. Visitors can also enjoy scenic viewpoints and facilities such as the New Yashima Aquarium and various local dining options, including renowned grilled oysters in Mure. Yashima serves as a physical and spiritual icon for Takamatsu, offering a blend of nature, culture, and adventure that appeals to families, groups, and outdoor enthusiasts alike. Whether you seek picturesque landscapes or a journey into history, Yashima has something for everyone.