Grade 5

說明：The trail is located in a remote mountainous area, and the path is relatively unformed. There are potential high risks due to rugged terrain and unpredictable weather. A normal itinerary takes three to five or more days to complete, and preparations for challenging terrain must be made.

適合對象：People with excellent physical fitness who have the ability to read maps, carry heavy loads while walking, survive in the wilderness, assess risks, and respond to emergencies.

建議裝備：Bring the necessary camping and related technical/climbing equipment based on your itinerary.