What is the relationship between volcanism and the geysers.
Yellowstone National Park is famous for its geysers and hot springs. The park contains about half the world's geysers. The world's most famous geyser, the Old Faithful Geyser, is in Yellowstone National Park. It also is a home to grizzly bears, wolves, and elk.

Old Faithful Geyser: Located in the Upper Geyser Basin, Old Faithful is recognized as the world’s most famous geyser and has become a recognized symbol of America’s first national park. The namesake, Old Faithful, is derived from its frequent and predictable eruptions. Prior to the 1959 earthquake, Old Faithful erupted 21 times per day.

This makes Old Faithful geyser one of the easiest geysers in Yellowstone to see. Old Faithful is deceiving. The benches around the geyser are over 300 feet from the geyser but with nothing to judge the distance by, I rarely realize just how big the geyser is until I get further away.

Everyone wants a picture with Old Faithful. But what many tourists don’t realize is that the hot springs and geysers of Yellowstone National Park are a constant reminder that 12 to 30 miles.

Old Faithful: Celebrity Geyser of Yellowstone! - See 4,805 traveller reviews, 2,859 candid photos, and great deals for Yellowstone National Park, WY, at Tripadvisor.

Old Faithful is a cone geyser located in Yellowstone National Park in Wyoming, United States.It was named in 1870 during the Washburn-Langford-Doane Expedition and was the first geyser in the park to receive a name. It is a highly predictable geothermal feature, and has erupted every 44 minutes to two hours since 2000. The geyser and the nearby Old Faithful Inn are part of the Old Faithful.

Only six grand geysers, those which erupt 100 feet or higher on a predictable daily basis, exist. Old Faithful, the most famous of these, erupts once approximately every 45 to 90 minutes. Beneath the thermal basins lie the mechanisms which control these features.