National Natural Landmarks

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. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.

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