Mount Vernon is the city in Skagit County, Washington, located between Seattle and the Canadian border, known for its historic downtown, riverfront, and proximity to the Skagit Valley Tulip Festival in the spring. In Mount Vernon, Washington, Memorial Highway is the local name for State Route 536. The highway runs east-west, starting from an intersection with SR 20, passing through farmlands and downtown Mount Vernon via the Skagit River on a swing bridge, and ending at an interchange with I-5.