The Spokane River Centennial Trail is a 37 miles (60 km) paved trail in Washington for alternate transportation and recreational use. It extends from Sontag Park in Nine Mile Falls, Washington to the Washington/Idaho border. It passes through the cities of Spokane, Washington, Spokane Valley, Washington, Liberty Lake, Washington, and is divided into three sections. Riverside refers to the section of the trail within Riverside State Park, Urban refers to the section within the city of Spokane, and Valley refers the Spokane Valley section west of the border. After the border into Idaho, the trail continues as the North Idaho Centennial Trail.