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Columbia Wetlands

Category: Activities and Attractions

Used in the following map:

Interactive Vacation Rental Property Map

The Columbia River and Wetlands, 180 kilometers in length, one of the longest intact wetlands in North America, comprise a floodplain of outstanding regional, national, and international significance. The Columbia Wetlands are the headwaters of the Columbia River system, the fourth largest body of water in North America by volume; a critical water supply for the Pacific Northwest.