Other geysers with predicted eruptions are nearby, including Grand, Castle, Riverside, and Daisy geysers. You can see many of these hydrothermal features in the Upper Geyser Basin from the 1.6 ...

but just as fascinating - such as Castle Geyser and Riverside Geyser. It is the largest hot spring in the park and, at 113 ...

If you really enjoyed Old Faithful's eruption and would like to see more, know that Riverside, Daisy, Grand and Castle geysers all erupt and the National Park Service offers estimated eruption ...