4.7
Hot springs & geothermal areas
Old Faithful
Yellowstone National Park, United States
Old Faithful in Yellowstone has been thrilling spectators since the 1870s with eruptions so consistent they come with a timetable. The nearby boardwalk offers insight into the geothermal forces at work, with signs explaining the science behind the spectacle.
Good to know
- Crowds
- Very busy, go early
- Best time
- Early morning
- Best months
- Jun–Sep
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