It is one of only six geysers in the park whose eruptions are predictable (Steamboat Geyser is not one of those). As such, Old Faithful lives up to its name. Since 2019, it has erupted ...

Grand Prismatic Spring sits about 7 miles north of Old Faithful and about 44 miles from the South Entrance. There's a parking lot available at the spring, though it is busy for the majority of the ...

Old Faithful erupts more frequently than any of the other big geysers, although it is not the largest or most regular geyser in the park. Its average interval between eruptions is about 76 minutes ...