AMP: 0 Location: S-471 and MT-200, Sanders Cty Just east of Thompson Falls, Secondary 471 begins. 471 is an unsigned but decent pass over to Idaho and connects to a county road that can connect to I-90 in Idaho. Not a bad way to get to CDA from here. AMP: 3 Location: S-471 and Clear … Continue reading Montana Secondary Highway 471, MT-200 to ID State Line