From Colorado to Hawai’I, some American roads climb up well above the clouds. The higher you go, the colder it gets, and at the end of the road, you barely have any horsepower left. Welcome to the highest roads in the United States.
| Mountain pass | Elevation | State | County | Surface |
| White Mountain Peak | 4.344m (14,252ft) | California | Mono County | Gravel |
| Mount Bross | 4.321m (14,178ft) | Colorado | Park County | Gravel |
| Mount Evans Byway | 4.310m (14,130ft) | Colorado | Clear Creek County | Asphalt |
| Pikes Peak Highway | 4.302m (14,115ft) | Colorado | El Paso County | Asphalt |
| Mount Lincoln | 4.222m (13,854ft) | Colorado | Park County | Gravel |
| Mauna Kea | 4.207m (13,803ft) | Hawai’i | Hawai’i county | Asphalt/Gravel |
| Mount Antero | 4.189m (13,743ft) | Colorado | Chaffee County | Gravel |
| Kuss Peak | 4.136m (13,569ft) | Colorado | Lake County | Gravel |
| Mosquito Peak | 4.127m (13,540ft) | Colorado | Lake County | Gravel |
| Peak 10 | 4.082m (13,392ft) | Colorado | Summit County | Gravel |
