Related Clues:

• Hot spot
• Big shooter
• Yellowstone sight
• It blows off steam
• It regularly blows its top
• Hot spring
• Yellowstone feature
• Old Faithful, e.g.
• Geothermal spout
• Geological wonder
• Yellowstone attraction
• Big spout
• Natural spring
• Old Faithful, famously
• Word from the Icelandic for ''gush''