Situated at the mouth of the Mawuku River, the Donghe Bridge Scenic Area serves as a vital connection between Chenggong Township and Donghe Township in Taitung. This location is a must-visit destination along the East Coast journey. Spanning the river are two bridges—the old Donghe Bridge and the new Donghe Bridge—each possessing its own unique charm. The old bridge, constructed in 1930, features a design that combines round arches with a frame bridge, skillfully integrating the surrounding terrain and large river stones. It is recognized as one of "Taiwan’s 100 Historic Architectural Sites." The new bridge, with its striking red steel arch, offers a clean, modern aesthetic that exudes contemporary appeal.