The Twin Sisters Rock are two basalt cliffs located less than 30 miles from the Tri-Cities, just past the town of Walulla. Multiple trails go up to the rocks, affording spectacular views of the Columbia River and Walulla Gap.
The Twin Sisters Rock are two basalt cliffs located less than 30 miles from the Tri-Cities, just past the town of Walulla. Multiple trails go up to the rocks, affording spectacular views of the Columbia River and Walulla Gap. File Tri-City Herald
The Twin Sisters Rock are two basalt cliffs located less than 30 miles from the Tri-Cities, just past the town of Walulla. Multiple trails go up to the rocks, affording spectacular views of the Columbia River and Walulla Gap. File Tri-City Herald

Northwest News

New technology captures 3-D views of Twin Sisters formation

August 18, 2016 4:30 AM

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