 The paved bike path runs more than 72 miles (115 km), starting from Mullan in the east.It follows the South Fork of the Coeur d'Alene River down through the Silver Valley to the south end of Lake Coeur d'Alene, passing over a historic bridge, then up to Plummer in northwest Benewah County.The bike trail uses old right-of-way from the Union Pacific railroad.