Last Known Eruption
3y 108d 59m ago

Interval Statistics

Interval Count22
Min6m
Max42y 8d 14h 6m
Mean1y 356d 17h 14m
Median9m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
7599 13 Mar 1984 @ 1800 --- research-mab 3-13-84 Additional observations on Geyser Hill: the funnel shaped vent of “Inverted Geyser” east of Arrowhead Spring can not be found. It seems highly probable that it may have been destroyed by a violent rupture of the sinter sheet around 1m in diameter. Accurate measurements & a review of records on Inverted will be made later to test this theory.
No attachments for this geyser.
Baseline does not exist.