Mount Rainier Wilderness

Mount Rainier Wilderness is a protected area in Washington's Cascade Range featuring extensive glaciers, mountain lakes, and river systems spread across multiple watersheds. The landscape varies significantly with elevation, creating distinct ecological zones from lower valleys to high alpine terrain.

The area gained federal wilderness protection in 1988 through the Washington Park Wilderness Act based on earlier national conservation legislation. This designation recognized the need to preserve the region's natural conditions and restrict development.

Six tribes maintain connections to this land: the Cowlitz, Muckleshoot, Nisqually, Puyallup, Squaxin Island, and Yakama, reflecting their traditional and spiritual bonds.

Visiting requires good physical fitness and preparation for alpine conditions with cold temperatures and rapidly changing weather patterns. Bring proper gear and plan for exposure to mountain elements at higher elevations.

The peak here carries the heaviest glacier coverage in the lower United States and serves as an important location for glacier research. The glaciers provide visible evidence of how mountain climates change over time.

Location: Washington

GPS coordinates: 46.86110,-121.70400

Latest update: December 13, 2025 12:23