Starting point: Chengkou County
1. Start from the starting point in the direction of true north, drive along Beimen Road for 260 meters, and turn left into North Street.
2. Drive along North Street for 590 meters, turn right and enter Renhe Second Road.
3. Drive along Renhe No.2 Road for 620 meters and go straight to S202.
4. Drive along S202 for 3.8km and go straight into Tiaoyudong 1 tunnel.
5. Drive along Yudong 1 tunnel for 320 meters and go straight to S202.
6. Drive along S202 170 meters and go straight into Tiaoyudong No.2 tunnel.
7. Drive along Yudong No.2 Tunnel for 640m and go straight to S202.
8. Drive along S202 for 90 meters and go straight into Tiaoyudong No.3 tunnel.
9. Drive 500 meters along Yudong No.3 Tunnel and go straight to S202.
10. Drive along S202 for 3. 1km and go straight into Xinglong Tunnel.
1 1. Drive along Xinglong Tunnel for 430m and go straight to S202.
12. Follow S202 1.2km and go straight into Sujiaheba tunnel.
13. Drive along Sujiaheba tunnel for 220 meters and go straight into S202.
14. Drive along S202 7. 1km and go straight into Xiakou Tunnel.
15. Drive along Xiakou Tunnel 1 10 meters, and go straight to S202.
16. Drive 400 meters along S202 and turn left into Xiakou Tunnel.
17. Drive along Xiakou Tunnel 140m and go straight to S202.
18. Go along S20210.7km and turn right.
19. Drive 880m and turn right.
20. Drive150m, and then turn right.
2 1. Drive for 460 meters and turn left ahead.
22. Go ahead 60 meters and turn right.
23. Drive for 480 meters and then turn right.
24. Drive 120 meters and turn left ahead.
25. Drive 530 meters and turn right.
26. Drive150m and turn left ahead.
27. Drive 1.6km, cross Shuanghe Village on the right and turn left ahead.
28. Turn left after 340 meters.
29. Drive 1.3km and turn right ahead.
30. Drive 590 meters and turn right.
3 1. Drive 680 meters and turn left ahead.
32. Turn left after driving 690 meters.
33. Drive160m, then turn right.
34. Turn left after 280 meters.
35. Turn left after 560 meters.
36. Drive 190 meters and turn right ahead.
37. Turn left after 60 meters.
38. Turn left after 600 meters.
39. Turn left after 460m.
40. Drive for 390 meters and then turn right.
4 1. Turn left after 500 meters.
42. Drive 1.4km and turn right ahead.
43. Go ahead 60 meters and turn right.
44. Turn right after 790 meters.
45. Turn left after driving 780 meters.
46. Drive 120 meters and turn left ahead.
47. Drive 10 meter and go straight into Lancheng Road.
48. Drive along Lancheng Road 17. 1km and turn right.
49. Drive for 5.8 kilometers and then turn right.
50. Drive 8.4 kilometers and turn right ahead.
5 1. Drive for 4.4 kilometers and turn left ahead.
52. Drive for 3.7 kilometers, cross Yueba Village on the left for about 240 meters, and turn right ahead.
53. Drive 1. 1 km and turn right ahead.
54. Drive 1.0km and turn right ahead.
55. Drive for 5.2km, turn right and enter S207.
56. Drive along S207 for 7.7 kilometers and turn right into He Lin Road.
57. Drive along He Lin Road for 6. 1 km, turn right and enter He Lin Highway.
58. Follow He Lin Highway 16.9 km and enter He Lin Road.
59. Drive along He Lin Road for 5.4 kilometers to reach the destination (on the left side of the road).
End point: Taohe River