Excelsior Geyser - Yellowstone N.P., Wyoming - Hot Springs on Waymarking.com

Excelsior Geyser is a large fountain-type geyser which originates from a crater about 300 feet in diameter. When the geyser was active in the 1880s it eruptions reached heights of 300 feet. Excelsior was active from 1878 to 1890 and was the largest geyser in the world. In 1985, Excelsior again erupted for several days with eruptions reaching 75 feet. Currently the spring produces about 4500 gallons per minute which flows into the Firehole River.
Information sources: The Geyser Observation and Study Association (visit link) and Yellowstone National Park.com (visit link)
Text of sign at Excelsior Geyser:
Excelsior Geyser
n the 1880s Excelsior Geyser erupted in bursts 50 to 300 feet high. The thermal violence formed the jagged crater and apparently ruptured the geyser’s underground system, causing eruptions to cease after 1890.
On September 14, 1985, Excelsior roared back to life with forty-seven hours of major eruptions. It is impossible to predict when this dormant but powerful geyser’s next eruption will occur.
Though its eruptions have been erratic, the geyser’s outflow is nearly constant, pumping more than 4000 gallons of boiling water per minute over the crater rim into the Firehole River.

Temperature (F): 199 Temperature (C): 93 Type: Primitive Cost?: Use Fee Open to the Public?: no Clothing Optional?: no Other Amenities: Adjacent to boardwalk trail in the Midway Geyser Basin.

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Date Logged Log User Rating   06/14/2024 The A-Team visited it 08/25/2019 Duodenfer_ visited it 08/25/2018 moelsla visited it 05/29/2017 Metro2 visited it 12/24/2016 Crazy4horses visited it 11/29/2016 Castor007 visited it 10/20/2016 LT_Dream visited it 01/21/2016 BFin visited it 08/20/2015 oiseau_ca visited it 07/19/2015 datenhamster visited it 09/13/2014 tamiuron visited it 07/17/2014 OpusTerra visited it 05/29/2014 HM63 visited it 06/19/2013 DukeRoom visited it 10/08/2012 Queens Blessing visited it 09/14/2012 petendot visited it 08/10/2012 3Bobs visited it 07/27/2012 The_Simpsons visited it 10/02/2010 Volcanoguy visited it

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