Foss Peak/Unicorn Creek

Foss Peak, also known as Manatee Mountain, is a 6,524 feet summit in the Tatoosh Range. The moderate trip is commonly done in snow, with enjoyable views of other peaks on the southern side of Mount Rainier.

This is one of the very few peaks in the Cascades (or anywhere) named for a prominent local female businesswoman, Thea Foss, of Tacoma, who started what became the Foss Maritime Company in 1889.

  • Difficulty: Strenuous 3, Technical 2
  • Length: 4.0 mi
  • Elevation Gain: 1,900 ft
  • 6,524 ft
  • Land Manager: Mount Rainier National Park
    Mount Rainier Wilderness
  • Parking Permit Required: National Park Entrance Fee
  • Recommended Party Size: 12
  • Maximum Party Size: 12
Map
  • USGS Mt Rainier East
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