Wallula Gap

US-730, Wallula, WA

National Natural Landmark designated in 1980

Photos 

Walulla Gap

Photo taken by Richard Doody in 2008

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Description 

Wallula Gap is the largest, most spectacular, and most significant of the several large water gaps through basalt anticlines in the Columbia River basin. It was designated a National Natural Landmark by the US National Park Service in 1980.

Update Log 

  • February 8, 2019: New photos from Richard Doody
  • February 8, 2019: Added by Richard Doody

Sources 

  • Richard Doody