PointofInterestRoadSigns.com - Yellowstone National Park - Riverside Geyser


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Yellowstone National Park - Riverside Geyser


Location of sign - Upper Geyser Basin near Old Faithful in Yellowstone National Park


Photo taken June 2008

Riverside Geyser, Riverside Geyser sign, Upper Geyser Basin Yellowstone National Park  

Close-up view of sign


Riverside Geyser, Riverside Geyser sign, Upper Geyser Basin Yellowstone National Park

Wide view of sign


Text of sign:


Riverside Geyser


Across the Firehole River is Riverside Geyser, one of the most predictable and consistent geysers in Yellowstone.  Beginning an 

hour or two before an eruption, water pour over the cone's edge and splashing and bubbling become visible.  Then, water and

steam arch over the river to heights of 75 feet.  The eruption will last about 22 minutes.  As the water diminishes during the eruption,

steam continues to billow out, and, the light is right, rainbow often form in the misty air.


Fast Facts:


Riverside Geyser is a cone-type geyser.


Eruptions are very predictable, taking place every 5.5 to 7.5 hours.


Why is Riverside Geyser so predictable?


Unlike many other geysers and hot springs in the Upper Geyser Basin, Riverside may not be connected to nearby features and thus,

has a relatively constant source of heat and water.  It is also uniquely unaffected by other forces such as earthquakes, which can 

shake up underground plumbing systems by closing old channels, creating new ones, and changing patterns of water circulation.


This exhibit made possible by a generous grant from the Yellowstone Association.


Graphics on the sign


In addition to the text there is a picture of Riverside Geyser erupting.


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