Plummer Peak, Mountain summit in Mount Rainier National Park, United States
Plummer Peak is a mountain summit in the Tatoosh Range of the Cascade Mountains in Lewis County, Washington. The peak rises to approximately 1,940 meters and sits within Mount Rainier National Park, accessible via established hiking routes that include scrambling sections.
The peak was named after Fred G. Plummer, a Forest Service cartographer who also taught geography at Tacoma Public Schools. His work mapping the Cascade region contributed to early documentation of the area.
The summit provides views of regional landmarks including Mount Rainier, Mount Saint Helens, Mount Adams, and the surrounding Goat Rocks wilderness.
The best conditions for reaching the summit occur from July through October, when weather and trail conditions are most favorable. Hikers should expect a mix of terrain requiring basic scrambling skills and steady physical effort.
A small alpine lake known as a tarn sits near the summit, creating a quiet water feature in this high elevation setting. Adjacent to this, a natural rock formation called The Saddle connects the peak to neighboring Pinnacle Peak.
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