Driving route: the whole journey is about 237.6km.

Starting point: Tianchi National Forest Company, Wenxian County ...

1. Start from the starting point in the direction of due west, drive 1.5km, turn right ahead

2. Drive 5.1km, turn left

3. Drive 9.3km, turn right ahead

. Turn left ahead and enter Lanzhou-Chongqing Line

7. Drive along Lanzhou-Chongqing Line for 44.4 kilometers and enter Zongjiaba Tunnel

8. Drive along Zongjiaba Tunnel for 6.4 kilometers. After passing through Toufang Village on the right for about 7 meters, go straight into Lanzhou-Chongqing Line

9. Drive along Lanzhou-Chongqing Line for 4.9 kilometers, turn left

1. Drive for 1. kilometers and go straight into Lanzhou-Chongqing Line. Turn right slightly and get on the ramp

12. Drive along the ramp for 7 meters and go straight into Pingmian Expressway

13. Drive along Pingmian Expressway for 87.7 kilometers, turn left slightly in the direction of Huixian /G711 and get on the ramp

14. Drive along the ramp for 57 meters and go straight into Ten-day Expressway

15. Drive along Ten-day Expressway for 2. kilometers. Turn left and enter S25

17. Drive along S25 for 14.7 kilometers, turn right slightly

18. Drive for 93 meters, turn right at the rear

19. Drive for 79 meters, cross the Xishanzong Scenic Area on the left, turn right at the front

2. Drive for 2 meters, turn right

21. Drive for 2 meters.