What is the most famous geyser in Yellowstone National Park?

Old Faithful is renowned as the most famous geyser in Yellowstone National Park due to its predictable eruptive behavior, which has captivated visitors for decades. This geyser typically erupts every 60 to 110 minutes, making it easily observable and a popular attraction for tourists. The regularity and spectacular nature of its eruptions—which can shoot water up to 185 feet into the air—have made Old Faithful a symbol of the park and a highlight for anyone visiting the area.

Other geysers like Grand Geyser and Norris Geyser are impressive in their own right but do not have the same level of fame or predictability as Old Faithful. Blue Moon is not widely recognized and does not typically attract the same level of attention as Old Faithful does. Overall, Old Faithful’s combination of reliability and dramatic eruptions solidifies its status as the most famous geyser in Yellowstone National Park.