Washington 165
| Termini | WA-410 in Buckley to Mowich Lake entrance of Mount Rainier National Park |
| Length | 21.1 miles |
| "Where does it go?" | Connects the metropolitan areas to the Mowich Lake section of Mount Rainier Park. |

WA-165 is closed for winter from Fairfax Forest Preserve Rd to Mowich Lake entrance. Also, WA-165 is unpaved from 7 miles north of Mowich Lake entrance to the entrance. It is the only unpaved section of state highway in Washington.
Highways of
Washington State - State Route 165
Washington
State Legislation - Route 165