The Centennial Trail is paved and runs along the Spokane River from Riverside State Park west of Spokane all the way past Coeur d’Alene, Idaho. It is used by 2 million people per year.

The opening of the new north trailhead of the Centennial Trail is set for 10 a.m. Saturday at the Snohomish County Parks Nakashima Heritage Barn, 32328 Highway 9, north of Arlington.