Question: Are Hayden Mountain (Oregon) and Rattlesnake Mountain (Benton County, Washington) both located in the same country?
Sentence (from "Rattlesnake Mountain (Benton County, Washington)"): Rattlesnake Mountain( Native American name Lalíik meaning" land above the water") is a 3,531 ft( 1,060 m) windswept treeless sub -alpine ridge overlooking the Hanford nuclear site.
Relevant evidence: Yes