SR 536 begins as the Memorial Highway at an intersection with SR 20 located south of Skagit Regional Airport and east of Fredonia. The highway travels east through farmland before following the Skagit River southeast into Mount Vernon.
Starting on the Memorial Highway as SR 536, this road intersects with SR 20 at a point south of Skagit Regional Airport and east of Fredonia. It traverses farmland before following the Skagit River southeast towards Mount Vernon.