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Mount Rainier

This article is about the volcano in Washington state. For other uses, see Mount Rainier (disambiguation).
For the nearby city named after the volcano, see Tacoma, Washington.

Mount Rainier
Tahoma
Mount Rainier's northwestern slope viewed aerially just before sunset on September 6, 2020
Highest point
Elevation14,410 ft (4,392 m) NGVD 29[1]
Prominence13,210 ft (4,030 m)[2]
Isolation731 mi (1,176 km)[3]
Listing
Coordinates46°51′6″N 121°45′37″W / 46.85167°N 121.76028°W / 46.85167; -121.76028[4][3]
Naming
EtymologyPeter Rainier
Geography
Mount Rainier is located in Washington (state)
Mount Rainier
Mount Rainier
CountryUnited States
StateWashington
CountyPierce County
Protected areaMount Rainier National Park
Parent rangeCascade Range
Topo mapUSGS Mount Rainier West
Geology
Rock age500,000 years
Mountain typeStratovolcano
Volcanic arcCascade Volcanic Arc
Climbing
First ascent1870 by Hazard Stevens and P. B. Van Trump
Easiest routerock/ice climb via Disappointment Cleaver

Mount Rainier[a] (/reɪˈnɪər/ ray-NEER), also known as Tahoma, is a large active stratovolcano in the Cascade Range of the Pacific Northwest in the United States. The mountain is located in Mount Rainier National Park about 59 miles (95 km) south-southeast of Seattle.[9] With an officially recognized[b] summit elevation of 14,410 ft (4,392 m) at the Columbia Crest,[1][12] it is the highest mountain in the U.S. state of Washington, the most topographically prominent mountain in the contiguous United States,[2] and the tallest in the Cascade Volcanic Arc.

Due to its high probability of an eruption in the near future and proximity to a major urban area, Mount Rainier is considered one of the most dangerous volcanoes in the world, and it is on the Decade Volcano list.[13] The large amount of glacial ice means that Mount Rainier could produce massive lahars that could threaten the entire Puyallup River valley and other river valleys draining Mount Rainier, including the Carbon, White, Nisqually, and Cowlitz (above Riffe Lake).[14] According to the United States Geological Survey's 2008 report, "about 80,000 people and their homes are at risk in Mount Rainier's lahar-hazard zones."[15]

Between 1950 and 2018, 439,460 people climbed Mount Rainier.[16][17] Approximately 84 people died in mountaineering accidents on Mount Rainier from 1947 to 2018.[16]

  1. ^ a b "An Icon on the Horizon". National Park Service. Archived from the original on July 20, 2006. Retrieved October 17, 2024.
  2. ^ a b Bisharat, Andrew (October 3, 2018). "Navigating Mount Rainier's deadly ice caves for science". National Geographic. Archived from the original on February 5, 2024. Retrieved October 16, 2024.
  3. ^ a b "Mount Rainier, Washington". Peakbagger.com. Retrieved January 1, 2016.
  4. ^ "Mount Rainier". U.S. Geological Survey. Archived from the original on November 12, 2024. Retrieved October 17, 2024.
  5. ^ Cite error: The named reference Tulalip Place Names2 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Bright2 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference CowlitzDic was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Beavert2009 was invoked but never defined (see the help page).
  9. ^ Egan, Timothy (August 22, 1999). "Respecting Mount Rainier". The New York Times. Archived from the original on March 11, 2022. Retrieved March 10, 2022.
  10. ^ Cite error: The named reference Signani was invoked but never defined (see the help page).
  11. ^ "Washington's Tallest Mountain is Shrinking With Age". Newsweek. October 9, 2024. Archived from the original on October 10, 2024. Retrieved October 17, 2024.
  12. ^ "Mount Rainier, Washington – Summary". U.S. Geological Survey. Archived from the original on October 9, 2024. Retrieved October 17, 2024.
  13. ^ "Decade Volcanoes". CVO. United States Geological Survey. Archived from the original on June 3, 2012.
  14. ^ "Volcanic Hazards at Mount Rainier". U.S. Geological Survey. Retrieved March 22, 2024.
  15. ^ Driedger, C.L.; Scott, K.M. (2008). "Mount Rainier – Learning to Live with Volcanic Risk" (PDF). Fact Sheet 034-02. United States Geological Survey. Archived (PDF) from the original on May 11, 2009. Retrieved October 30, 2008.
  16. ^ a b Emma P. DeLoughery; Thomas G. DeLoughery (June 14, 2022). "Review and Analysis of Mountaineering Accidents in the United States from 1947–2018". High Altitude Medicine & Biology. 23 (2): 114–118. doi:10.1089/ham.2021.0085. PMID 35263173. S2CID 247361980. Archived from the original on July 11, 2022. Retrieved July 11, 2022.
  17. ^ "Annual Climbing Statistics". National Park Service. Archived from the original on July 11, 2022. Retrieved July 11, 2022.


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