Clearwater Wilderness, a small 14,300-acre (58 km2) wilderness created by Congress in the 1984 under the 1964 Wilderness Act establishing the National Wilderness Preservation System. It is located in northeast Pierce County, southeast of Tacoma in the South Cascade Range in Washington, United States. Its southern border is Mount Rainier National Park and it affords many spectacular views of Mount Rainier.
Bearhead Mountain, the highest peak, is 6,089 feet (1,856 m) high. Below are the headwaters of the north-flowing Clearwater River. Old-growth forests of Douglas-fir, Western Hemlock and Western Red Cedar, reachable by hiking trails, are nourished by many streams and eight small lakes, including Summit Lake. Forest understorey is made up mostly of ferns and moss. The rainy season between October and May receives 90 percent of the annual rainfall, which can be as much as 25 feet (7.6 m), while snow can remain as late as July in high areas.