 SR 530 then travels northeast along the west side of the Sauk River and enters Skagit County after skirting the boundary of the Mount Baker National Forest.The highway travels through the Sauk-Suiattle Indian Reservation, home to a small casino and smoke shop, before turning east to cross over the river on a steel truss bridge.SR 530 continues north along the river through the forested Sauk Valley and crosses over the Skagit River into Rockport.