5. Columbia and Snake Rivers

The scenic Columbia River is the largest in the Pacific Northwest, flowing south from Canada and dividing Oregon and Washington. Cruises explore the border between the states, along with a portion of the Snake River towards Idaho. Itineraries offered from spring to fall take you through the breathtaking Columbia River Gorge, offering access to sights like Hells Canyon and Multnomah Falls. Along the way, you'll learn more about Lewis and Clark as you trace some of their western route and catch up on the region's vibrant Native American history. Drinking locally produced wine and tasting fresh-caught salmon and crab is part of the scene, too. The cruises are between Portland and the quaint small of Clarkston, Washington (named for Clark), across the Snake River from Lewiston (named for Lewis), Idaho.