| Km | GPS | height[m] | place | description |
| 000 | 490 | Chengdu | | 25 | 005 | 552 | Pi Xian | | 57 | 012 | 729 | Dujiangyan | hotels, restaurants, shops | 99 | 021 | 904 | Yingxiu | Turn off (W) to Wolong | 156 | 030 | 1361 | Wenchuan | hotels, restaurants, shops, internet | 200 | 038 | 1579 | Maoxian | hotels, restaurants, shops | 229 | 043 | 1643 | | Turn off to the west onto S302 | 244 | 046 | 1672 | Baixi | | 267 | 051 | 1829 | Seergu | shops | 293 | 056 | 2008 | Shuangliusuo | After village a road turns off over a bridge to the N. Stay on this side of the river. Big construction site in 2009 after that | 324 | 062 | 2332 | Heishui | hotels, restaurants, shops | 333 | 064 | 2398 | | Turn off to the N to Dagu Glacier NP. Then in 2009 road under construction all over the pass | 353 | 068 | 2721 | | Turn off to the W, shops | 377 | 073 | 3967 | | end of asphalt | 384 | 074 | 4295 | Yakexia Snow Mountain Pass | | 385 | 075 | 4254 | | start asphalt | 401 | 078 | 3570 | Rangkou | join road S209, go right (N) | 419 | 081 | 3832 | Chazhenliangzi | pass | 434 | 084 | 3567 | | village, shops | 440 | 085 | 3551 | | crossing: left Aba, right Hong Yuan, go left | 449 | 087 | 3729 | | high point | 472 | 091 | 3850 | | high point | 486 | 093 | 3998 | | pass | 498 | 096 | 3328 | | village, shops | 513 | 099 | 3480 | Maierma | | 529 | 102 | 3750 | | pass | 547 | 105 | 3286 | Aba | hotels, restaurants, shops | 549 | 106 | 3292 | | bridge | 560 | 108 | 3798 | | pass | 608 | 116 | 2982 | | low point | 623 | 118 | 3026 | Sebuyu | | 655 | 124 | 3140 | | crossing: right to Banma, go left (S) | 671 | 127 | 3292 | | village | 687 | 130 | 3370 | | village, restaurants, shops | 691 | 131 | 3409 | | army checkpoint, turn off, go right | 704 | 134 | 3956 | | pass | 716 | 136 | 3320 | Rangtang | hotels, restaurants, shops | 742 | 141 | 3120 | | temple | 757 | 144 | 3007 | | join road 317, army-checkpoint, go right | 778 | 149 | 3202 | Jiaxue | shops | 795 | 152 | 3329 | | bridge | 797 | 153 | 3346 | Wengda | shops, checkpoint, turn off, go left | 804 | 155 | 3724 | | end of asphalt | 814 | 157 | 4275 | | pass | 815 | 158 | 4249 | | start of asphalt | 822 | 159 | 3941 | | end of asphalt | 826 | 160 | 3747 | | start of asphalt | 852 | 165 | 3227 | Niba | shops | 857 | 166 | 3183 | | bridge | 867 | 168 | 3160 | Luhuo | go right, shops, restaurants | 882 | 171 | 3282 | Yade | shops | 919 | 178 | 3403 | Zhuwo | shops, restaurants, after that road without asphalt at some places | 938 | 181 | 3995 | | pass | 965 | 185 | 3378 | Garze | hotels, restaurants, shops | 968 | 186 | 3405 | | bridge | 993 | 190 | 3498 | Kargang | shops | 1016 | 195 | 4042 | | pass | 1025 | 197 | 3640 | | low point | 1032 | 198 | 3701 | Cuotong | shops | 1057 | 203 | 3865 | Manigango | hotels, restaurants, shops, continue to the SW | 1065 | 206 | 4040 | Yilhun Lhatso | turn off to glacier lake, 1km, 20Y | 1083 | 209 | 4204 | | end of asphalt | 1100 | 213 | 4895 | Tro La | | 1119 | 216 | 4165 | | start asphalt | 1160 | 224 | 3247 | Derge | hotels, restaurants, shops, internet |
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