Vent Geyser is a geyser

Geyser

A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase . The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, "to gush", the verb...

 in the Upper Geyser Basin of Yellowstone National Park

Yellowstone National Park

Yellowstone National Park, established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872, is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

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Vent Geyser belongs to the Grand Group (or Grand Geyser Complex), and its eruption is tied to Grand Geyser

Grand Geyser

Grand Geyser is a fountain geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. It is the tallest predictable geyser known. It was named by Dr. F.V. Hayden in 1871.-Eruptions:...

. Normally, it erupts immediately after Grand and continues to erupt intermittently for about an hour afterward along with Turban Geyser

Turban Geyser

Turban Geyser is a geyser in the Upper Geyser Basin of Yellowstone National Park in the United States.Turban Geyser belongs to the Grand Group , and its eruption is tied to Grand Geyser. In the hours prior to Grand's eruption, Turban will have five minute eruptions every 15–25 minutes. These...

. On rare occasions, it has erupted before Grand or completely by itself. Its fountain reaches a height of 75 feet (22.9 m) initially then subsides to 20 to 40 feet (6–12 m). At times, it is not possible to see Vent erupting through the steam and spray of Grand Geyser.