Old Faithful can vary in height from 106-184 feet (32–56 m) with an average near 130 feet (40 m). This has been the historical range of its recorded height. Eruptions normally last between 1.5 to 5 minutes.
[{"waterfalls": "n/a", "average_height": "n/a"}]
[{"waterfalls": "n/a", "average_height": "n/a"}]