Old Faithful erupts more frequently than any of ... varying from 45 to 110 minutes. An eruption lasts 1 1/2 to 5 minutes, expels 3,700 to 8,400 gallons (14,000 to 32,000 liters) of boiling water ...

A new thermal vent near Yellowstone's Norris Geyser Basin is drawing attention for its roadside visibility. Scientists affirm ...

Check-in at the Ranger Station to see the approximate geyser eruption times for Old Faithful, Castle and Grand geysers. Kids might be sensitive to sulfuric acid smell. The Junior Ranger Booklet ...

One of the Inn’s best amenities is its proximity to Old Faithful. You’re just steps away from seeing the iconic geyser erupt!