Near the island of the river is the mouth of the Katase River entering Sagami Bay. The river at the mouth of the river is the administrative dividing line between Fujisawa and Kamakura, which is closely adjacent to Kamakura. River Island is a scenic spot in Fujisawa City, Kanagawa Prefecture, and Kamakura is a city. They are very close. On the tourist route, Kamakura and Jiangzhi Island are often arranged to visit together, because the scenery and cultural background are rich and complementary. Visitors can first visit the ancient temples and shrines in Kamakura, take the power of the river to the island of the river, and enjoy the beautiful seascape and the scenery on the island.