Grand Geyser

Grand Geyser (HM1NR5)

Location: Yellowstone National Park, WY 82190 Teton County
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Country: United States of America
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N 44° 27.99', W 110° 50.243'

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Inscription

World's Tallest Predictable Geyser

Known for the height and beauty of its eruptions, Grand Geyser's activity is linked with that of nearby geysers. An intricate sequence of events that takes place over 7 to 15 hours culminates in explosions of boiling water and steam from Grand's pool. A full eruption can last from 9 to 12 minutes and reach heights of 180 feet or more.Fast Facts: · Grand Geyser is a fountain-type geyser. · Grand's eruptions occur in one or more bursts from its crater or pool. There is a short wait between bursts. · Turban Geyser erupts every 15 to 22 minutes. Grand erupts at the onset of one of Turban's eruptions.
The Grand "Group"
The prominent sinter bowl next to Grand Geyser is Turban Geyser. A small crack left of Turban's sinter shoulder is Vent Geyser. These three geysers share a subterranean source of hot water.Turban Geyser erupts more frequently than the other two. Grand will erupt just before or after Turban erupts. The water level in Grand fluctuates with each Turban eruption, usually dropping noticeably. As an eruption of Grand Geyser nears, boiling water surges over the rim of its pool. Within seconds, Grand will erupt. Finally, Vent Geyser comes to life, jetting water to heights of 75 feet. Though Grand's eruptions last only about 10 minutes, Vent and Turban can continue to erupt for an hour or more.
Details
HM NumberHM1NR5
Tags
Placed ByNational Park Service
Marker ConditionNo reports yet
Date Added Tuesday, September 8th, 2015 at 9:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)12T E 512935 N 4923700
Decimal Degrees44.46650000, -110.83738333
Degrees and Decimal MinutesN 44° 27.99', W 110° 50.243'
Degrees, Minutes and Seconds44° 27' 59.4" N, 110° 50' 14.58" W
Driving DirectionsGoogle Maps
Area Code(s)307
Which side of the road?Marker is on the right when traveling North
Closest Postal AddressAt or near Loop Trail, Yellowstone National Park WY 82190, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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Nearby Markersshow on map
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Castle Geyser
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Giant Geyser
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Grotto Geyser
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Beehive Geyser
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Snow-Movers
0.7 miles
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