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

New technology captures 3-D views of Twin Sisters formation

August 18, 2016 4:30 AM

More Videos

  • America's largest pumpkin is a 2,363-pound beast

    Led by seven-time winner Joel Holland of Sumner, Wash., three growers within an hour's drive in the South Sound dominate the World Championship Pumpkin Weigh-Off in Half Moon Bay, California.