360° VR Panoramas of Oregon East of the Cascades
Umatilla on the Columbia River
Oregon


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Twin Sisters at Wallula Gap on the Columbia River

Twin Sisters at Wallula Gap on the Columbia River

These striking basalt towers overlooking the Wallula Gap on the Columbia River have been landmarks since prehistoric times. Native Americans built legends to explain them. Geologists note that they were probably scoured out of the ridge top by the Missoula Floods near the end of the ice age.

Two Sisters, Walulla Gap on the Columbia River, Oregon

Date photographed: August 4, 2014
See location in Google Maps

McNary Dam on the Columbia River

McNary Dam on the Columbia River

The Corps of Engineers built McNary Dam in 1947-1954 to generate electric power. It includes an elaborate salmon migration facility, and a navigation lock.

McNary Dam on the Columbia River, near Umatilla, Oregon

Date photographed: August 4, 2014
See location in Google Maps

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