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Old Faithful Geyser is a cone geyser in Yellowstone, named in 1870 and famous as the park's first named and highly predictable geyser.
Grand Geyser in Yellowstone National Park is recognized as the tallest predictable geyser in the world, capable of blasting water 200 feet high.
Giant Geyser in Yellowstone National Park is a massive cone-type geyser capable of producing spectacular water eruptions reaching up to 250 feet.
Riverside Geyser is a cone geyser in Yellowstone's Upper Geyser Basin, named in 1871 and known for predictable 75-foot arches over the Firehole River.
One of Yellowstone National Park's most powerful geysers, located in the Upper Geyser Basin, erupting through a narrow cone vent to heights of up to 200 feet.
Fan Geyser, located in Yellowstone National Park's Lower Geyser Basin, is named for its distinct, fan-shaped water spray during active periods.
Splendid Geyser is an infrequently active geyser in Yellowstone's Upper Geyser Basin, Wyoming, USA, capable of spectacular eruptions exceeding 60 meters when conditions allow.
One of Yellowstone's oldest and largest geysers, featuring a massive siliceous sinter cone resembling a castle turret, with eruptions reaching roughly 90 feet every 10–12 hours.
Mortar Geyser is a Yellowstone National Park thermal feature in the Lower Geyser Basin known for its explosive eruptions paired with nearby Fan Geyser.
Lion Geyser is the largest feature in Yellowstone National Park's Lion Group, famous for producing deep roaring sounds from its steam vents.
Oblong Geyser is a Yellowstone geyser in the Upper Geyser Basin, named for its oblong crater and located among the park's major geyser fields.
A reliable geyser in Yellowstone National Park's Upper Geyser Basin, erupting at an oblique angle of roughly 75 degrees to heights of about 75 feet at regular intervals.
Jewel Geyser, located in Yellowstone National Park's Biscuit Basin, is notable for the distinctive, pearl-like geyserite beads lining its crater.
Sawmill Geyser is a fountain geyser in Yellowstone's Upper Geyser Basin, named by Antoine Schoenborn during the 1871 Hayden Survey.
Grotto Geyser, located in Yellowstone National Park, is famously distinguished by its unusual, cave-like silica cone and prolonged eruption cycles.
A geyser in Yellowstone National Park's Upper Geyser Basin notable for its large, deep blue pool and irregular eruptions that can reach approximately 30 feet in height.
Lioness Geyser is a minor thermal vent in Yellowstone National Park's Upper Geyser Basin that serves as a secondary feature within the Lion Group.
Penta Geyser is a cone geyser in Yellowstone's Upper Geyser Basin, named for its five vents and linked to the Sawmill Complex.
Spasmodic Geyser is a geyser in Yellowstone's Upper Geyser Basin, Wyoming, USA, recognized for unpredictable, irregularly timed eruptions that inspired its descriptive name.
West Triplet Geyser is a geyser in Yellowstone's Upper Geyser Basin, Wyoming, USA, one of three closely situated vents grouped as the Triplet Geysers near Grand Geyser.
Solitary Geyser is a fountain geyser above Yellowstone's Upper Geyser Basin, made eruptive after water was diverted for a pool in 1914.
A geyser in Yellowstone National Park's Black Sand Basin, located along Iron Spring Creek, known for infrequent but vigorous eruptions from a position beside a rocky cliff.
Rocket Geyser is a Yellowstone geyser in the Upper Geyser Basin's Grotto Group, often linked to short eruptions of nearby Grotto Geyser.
A geyser in Yellowstone National Park known for producing a fine mist or spray during eruptions, situated among the many hydrothermal features of the Upper Geyser Basin.
A geyser in Yellowstone National Park's Upper Geyser Basin named for its golden-hued mineral deposits, producing irregular eruptions reaching approximately 20 to 25 feet.
Pump Geyser is a cone geyser in Yellowstone's Upper Geyser Basin, named by photographer F. Jay Haynes and known for near-constant splashing.
Little Cub Geyser is a cone geyser in Yellowstone's Upper Geyser Basin, United States, notable as part of the Lion Group of connected vents.
A small but frequently erupting geyser in Yellowstone National Park's Upper Geyser Basin, known for short, regular eruption cycles occurring approximately every 7–10 minutes.
Grotto Fountain Geyser is a small thermal feature in Yellowstone National Park that frequently precedes the eruptions of the adjacent Grotto Geyser.
Spouter Geyser is a near-continuously active thermal feature in Yellowstone's Lower Geyser Basin, Wyoming, USA, known for persistent spouting of hot water and steam.
