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Wallula Gap

Wallula Gap
Wallula Gap

Wallula Gap is the largest, most spectacular, and most significant of the several large water gaps through basalt anticlines in the Columbia River basin.

Location: Benton County, WA ; Walla Walla County, WA

Year designated: 1980

Acres: 4,430

Ownership: Federal, State, County, Municipal


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Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.

Last Updated: June 28, 2012