Circuito de senderismo de 41.27 km desde Naibu Shan. El desnivel positivo es de 4480 m, con una altitud entre 40 m y 871 m. Duración estimada: 22 h 20 min. Municipio de salida: Naibu Shan (浙江省, 中国).
Esta ruta incluye 12 subidas significativas. Con un desnivel acumulado de 3250 m a lo largo de 24.03 km, con una pendiente media del 13.5%.
- Climb 1 (at km 576 m): +99 m over 562 m, average slope 17.6%
- Climb 2 (at km 6.47 km): +48 m over 401 m, average slope 12.0%
- Climb 3 (at km 21.61 km): +745 m over 6.44 km, average slope 11.6%
- Climb 4 (at km 25.51 km): +112 m over 699 m, average slope 16.0%
- Climb 5 (at km 29.36 km): +457 m over 1.52 km, average slope 30.1%
- Climb 6 (at km 38.87 km): +391 m over 1.93 km, average slope 20.3%
- Climb 7 (at km 46.49 km): +56 m over 212 m, average slope 26.4%
- Climb 8 (at km 50.71 km): +187 m over 1.22 km, average slope 15.3%
- Climb 9 (at km 55.85 km): +35 m over 223 m, average slope 15.7%
- Climb 10 (at km 76.07 km): +573 m over 7.81 km, average slope 7.3%
- Climb 11 (at km 79.31 km): +218 m over 881 m, average slope 24.7%
- Climb 12 (at km 87.30 km): +329 m over 2.14 km, average slope 15.4%
