The trailhead starts from the Jinjing Bridge of Southern Cross-Island Highway. Kuhanuoxin Mountain has an elevation of 3,115 meters. It is a gentle mountain going in an east-west direction. It is a southwestern boundary mountain for the national park. The travel distance is about 3.5 kilometers. Along the trail, there are primary forest trees and miscanthus. The mountain top can overlook Mt. Jade to the north and the cliff of Guanshan to the east.