Giantess Geyser is a fountain-type geyser in the Upper Geyser Basin of Yellowstone National Park. It is known for its violent and infrequent eruptions of multiple water bursts that reach from 100 to 200 feet (30 to 61 m). Eruptions generally occur 2 to 6 times a year. The surrounding area may shake from underground steam explosions just before the initial water and/or...

Giant Geyser is a cone-type geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. Giant Geyser is the namesake for the Giant Group of geysers, which includes Bijou Geyser, Giant Geyser, and Mastiff Geyser. Giant Geyser is also the namesake for the Giant Platform, a raised stone structure incorporating all these geysers. Giant is notable f...

Gibbon Geyser Basin consists of nine scattered hydrothermal areas in and around the Gibbon Meadows and northern Gibbon Canyon areas of Yellowstone Park. The main sites are consists of the Chocolate Pots, Sylvan Springs, Artist Paint Pots, Geyser Creek, Gibbon Hill and Monument Basin. Each one is small but unique and different in size, shape and color. The Chocolate Po...

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. Grand's fountain reaches a height of as much as 200 feet (61 m), with a duration of 9 to 12 minutes. Its eruptions occur in a series of 1 to 4 (rarely as many as 5) bursts. G...

The Great Fountain Geyser is a fountain-type geyser located in the Firehole Lake area of Lower Geyser Basin of Yellowstone National Park, Wyoming. It is the onlypredictedgeyser in the Lower Geyser Basin. The geyser erupts every 9 to 15 hours. Great Fountain's maximum height ranges from about 75 feet (23 m) to over 220 feet (67 m). Its duration is usually about one hou...

Except on warm summer afternoons, steam frequently fills the cavern of this intriguing hot spring. Visitors must wait patiently for a glimpse of the sulfur-lined cave and boiling green water.

Grotto Geyser is a fountain-type geyser located in the Upper Geyser Basin in Yellowstone National Park in the United States. Grotto Geyser is the namesake for the group of geysers that includes Grotto Fountain Geyser, South Grotto Fountain Geyser, Indicator Spring, Spa Geyser, and Rocket Geyser. Grotto Geyser's cone is nearly 8 feet (2.4 m) high. The odd shape comes f...

Heart Lake Geyser Basin is a small isolated basin that is mostly pools and vents of many different colors and forms, but also several geysers. The main features are Rustic Geyser and Columbia Pool, located at the far side of the basin beneath the reddish slopes of Mount Sheridan, and 7.5 miles from the nearest highway (the Grand Loop Road between the South Entrance an...

Island Geyser is located at Biscuit Basin in Yellowstone National Park.

Jet Geyser is a geyser in the Lower Geyser Basin of Yellowstone National Park in the United States. Jet Geyser is in the Fountain Group that includes Fountain Geyser, Morning Geyser, Red Spouter and Silex Spring. Jet Geyser is a very accessible and intimate geyser, being close to a park road and alongside a boardwalk. Jet's eruptions are generally frequent but un...

Jewel Geyser is a fountain geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. It is in the Biscuit Basin complex that includes Shell Geyser, Avoca Spring, and Mustard Spring. Originally named Soda Geyser by the Hayden Survey, the name was changed to Jewel Geyser by Arnold Hague in 1887. Jewel Geyser is known for having a shiny, beaded ...

Labial Geyser is a cone-type geyser in the Lower Geyser Basin of Yellowstone National Park in the United States. It is part of the Pink Cone Group. Other geysers in this groups are Bead Geyser, Box Spring, Dilemma Geyser, Narcissus Geyser, Pink Geyser, and Pink Cone Geyser. Eruptions of Labial Geyser last for less than two minutes and are 25 feet (7.6 m) high. The usu...

The Lady Knox Geyser is a geyser in the Wai-O-Tapu area of the Taupo Volcanic Zone in New Zealand. It is named after Lady Constance Knox, the second daughter of Uchter Knox, 15th Governor of New Zealand. The geyser is induced to erupt daily at 10:15am by dropping a surfactant into the opening of the vent. Eruptions produce a jet of water reaching up to 20m and can las...

Ledge is the second largest geyser in the Norris Geyser Basin, capable of shooting water 125 feet into the air. Because it erupts at an angle, however, the water will sometimes reach the ground 220 feet away. It has at times in the past erupted at regular intervals of 14 hours. The geyser became inactive between 1979 and late 1993. It erupted on a fairly regular cycl...

Lion Geyser is a cone-type geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. It is located in the Geyser Hill complex. It was named for the roaring sound of steam releasing during an eruption. Eruptions can reach 90 feet (27 m) and last from 1 to 7 minutes. Lion is the largest of the Lion Group which includes Little Cub Geyser and the...