Detian Transnational Waterfall is the largest transnational waterfall in Asia and the fourth-largest in the world. It sits on the Guichun River, which marks the border between China and Vietnam, in Detian Village, Shuolong Town, Daxin County, Chongzuo City, Guangxi Zhuang Autonomous Region. The Chinese-side portion is known as Detian Waterfall and is connected to the adjacent Ban Gioc Waterfall in Vietnam. This natural karst waterfall spans over 200 meters in width with a 70-meter drop and features a distinctive four-tiered cascade. It is a 5A-rated attraction and gained widespread fame after serving as a filming location for the historical fantasy drama The Journey of Flower (Hua Qian Gu). A visit is suggested to take around 4 hours. Ticket arrangements are confirmed manually by an advisor, and travelers should bring the passport used for booking.