From gigantic floods to thousands of shipwrecks, follow the journey of the Columbia River. Host Knute Berger mines the Pacific Northwest’s historical and cultural nuggets. This season's Mossback ...
Some departures follow a modified itinerary. Please refer to departure dates for exact routing of your departure. 6-Day EastboundPortland, Oregon Clarkston, Washington 6-Day WestboundClarkston, ...
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