We took a cross-country route from Whitefish/Kalispell to Missoula, Montana, then over to Wala Wala, Washington by following Interstate 93 to Interstate US Hwy 12. I-12 is 99 miles of a winding road, but very scenic following the wide Clearwater River, with many rapids and great scenery. During this trip, you travel thru 3 states: Montana, Idaho…