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Interstate 90 East HeritageTour: Seattle to Spokane
This tour begins in Seattle at the junction of I-5 and I-90, and ends in Spokane’s Riverfront Park. Along the way you’ll travel through the Snoqualmie Valley, up into the Cascade Range, and across the summit at Snoqualmie Pass. From there your road leads down the eastern slope of the cascades through ranch and farm lands; then it drops down through areas carved out of ancient lava flows, crosses the Columbia River, heads up through sand dunes and rich irrigated farm lands, and takes you through a region shaped thousands of years ago by catastrophic floods at the end of the ice age.
The tour, with its guidebook and more than two hours of audio is designed to enrich your travel across the state or to be heard in the comfort of your living room.