Suspension bridge introduction: In the Narisu Scenic Area of ​​Chuoyuan National Forest Park, there is an alpine wetland covering an area of ​​20,950 hectares and an altitude of more than 900 meters. Relying on this alpine wetland and the Nine-Nine Eighty-One Bend There is a wetland trestle about 4,000 meters long on the Ganduoluo River. Because of its twists and turns, it is quiet and quiet, so it is called "winding path leading to seclusion". The construction of this wetland trestle is very creative. There are bridges on the bridge and bridges within the bridges. All common types of bridges, such as single-plank bridges, suspension bridges, cable bridges, swing bridges, and overpasses, can be seen on this trestle. A wide variety of unique trestles and entertainment service facilities such as trestle pavilions, rest tables and stools scattered among them are all made of wood and are integrated with the surrounding landscape.