Norris Geyser Basin in Yellowstone National Park is home to the largest active geyser in the world, Steamboat Geyser. Steamboat can reach 380 feet and its steam phase can be heard miles away. Unfortunately, Steamboat is rare, the last major eruption was in 1991.
There are several spots with bubbling hot water …..
The landscape at Yellowstone National Park in Wyoming is populated by areas with volcanic activity causing flowing water to boil and create steam.
Heat and volcanic gases from slowly cooling magma rise and warm the dense salty water that occupies fractured rocks above the Yellowstone magma chamber. That brine, in turn, transfers its heat to overlying fresh groundwater which is recharged by rainfall and snowmelt from the surface.