State Route 522 (SR 522) is a state highway in the U.S. state of Washington that serves the Seattle metropolitan area. Approximately 25 miles (40 km) long, it connects the city of Seattle to the northeastern suburbs of Kenmore, Bothell, Woodinville, and Monroe. Its western half is primarily an arterial street, named Lake City Way and Bothell Way, that follows the northern shore of Lake Washington; the eastern half is a grade-separated freeway that runs between Woodinville and Monroe. SR 522 connects several of the metropolitan area's major highways, including Interstate 5 (I-5), I-405, SR 9, and U.S. Route 2 (US 2).

Kenmore is a city in King County, Washington, United States, along the northernmost shore of Lake Washington. It is a suburban commuter town at the mouth of the Sammamish River, 12 miles (19 km) northeast of downtown Seattle and 2 miles (3.2 km) west of Bothell. The population was 23,914 at the 2020 census. Kenmore Air Harbor is the largest seaplane-only passenger facility of its kind in the United States.