Pacific Highway (United States) from the Hudson's Bay Company were the first non-Native Americans to use the route of the future Pacific Highway to move between today's Washington State and "Alta California." During the second half of the 19th Century, mule trains, stagecoaches, and the Central Pacific Railroad also followed the route of the Siskiyou Trail. In the early 20th century, around 1910, entrepreneur Sam Hill lobbied the governments of Washington and Oregon to build automobile roads along the path of the Siskiyou Trail, with the ultimate goal of building a paved auto route from Canada to Mexico. Pacific Highway (United States) Pacific Highway
Pacific, Washington from the Mud Mountain Dam caused even greater flooding, inundating more than a hundred homes. Pacific is located at (47.263272, -122.247831). According to the United States Census Bureau, the city has a total area of , of which, is land and is water. The lower White River, also known as the Stuck River, runs through the east side of Pacific, between Auburn, Washington and Sumner, Washington. As of the census of 2010, there were 6,606 people, 2,269 households, and 1,605 families residing in the city. The population density was . There were 2,422 housing units at an average density of