Rattlesnake Mountain, Mountain summit in Benton County, Washington, US
Rattlesnake Mountain rises 3,531 feet above sea level, forming a treeless ridge that extends across Benton County with steep slopes and open terrain.
The mountain remained partially above water during the ancient Missoula Floods, which submerged most of the Columbia River Plateau thousands of years ago.
Native American tribes, including the Yakama Nation, name this mountain Lalíik, meaning 'land above the water' in their traditional language.
The Department of Energy maintains restricted access to the mountain summit, requiring special permits and advance arrangements for any visits.
Wind speeds at Rattlesnake Mountain reach extreme levels, with recorded gusts measuring up to 150 miles per hour at the exposed summit.
Location: Washington
GPS coordinates: 46.40654,-119.61192
Latest update: March 22, 2025 08:43
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