Lilienthal Mountain is a 3,550-foot (1,080 m)[1] or 3,568-foot (1,088 m)[2] peak on the Columbia Plateau in Lincoln County, in the U.S. state of Washington. It is the highest point in Lincoln County.[3][2]
47°54′37″N 118°14′00″W / 47.91028°N 118.23333°W