Aurum Geyser

Geyser Named for Its Golden Rim

Geyser in Upper Geyser Basin, Geyser Hill Group on Firehole River on Upper Geyser Hill Trail, Observation Point Loop Snowshoe Trail, Observation Point Trail in Yellowstone NP, Rocky Mountains near Old Faithful, WY

Aurum geyser erupts and shoots steam and water over 20 feet high for roughly a minute every 2.5 to 5 hours. The name comes from the iron oxide deposits around the rim and is derived from the latin word for "gold".

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Aurum Geyser is a geyser in the Upper Geyser Basin of Yellowstone National Park in the United States, on Geyser Hill. Aurum can, at times, be very predictable. Other times it can be very erratic. Observations have led to the theory that Aurum's activity is linked to the meadow behind the geyser. When the meadow is wet, activity is regular with 3 to 4 hours between eruptions. When the meadow dries in late summer and early fall, the interval becomes less predictable ranging from 4 to 7 hours. Aurum also participates in the weekly Geyser Hill wave. It decreases and increases its interval at regular times during a week. Eruptions last about 90 seconds and range in height from 15 feet (4.6 m) to 25 feet (7.6 m). An eruption is usually preceded by bubbling in two small vents nearby. On rare…

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