Skip to main content
U.S. flag

An official website of the United States government

Cistern Spring, Yellowstone National Park, both full and drained

May 2019 (approx.)

Detailed Description

Photographs of Cistern Spring showing the draining behavior that occurs after major water eruptions of Steamboat Geyser. Left: about 2.5 hours after the onset of a major Steamboat eruption. Right: about 19.5 hours after that eruption.


Public Domain.