Greenwater is a census-designated place (CDP) in the northwest United States in Pierce County, Washington.

[citation needed] East of Enumclaw on Highway 410, Greenwater gains much of its popularity as a town for hikers and skiers on their way south to Mount Rainier National Park and Crystal Mountain ski area.

Three popular campgrounds reside in Greenwater: Silver Springs, The Dalles, and Buck Creek.

According to the United States Census Bureau, the CDP has a total area of 1.5 square miles (3.9 km2), all of it land.

The racial makeup of the CDP was 92.31% White, 2.20% Native American, 1.10% Pacific Islander, and 4.40% from two or more races.