Geysers of the Upper Geyser Basin
The table below was last updated November 2020. Geyser behavior can change over time. Predicted geysers are marked with an asterisk (*).
| Location | Average Interval | Duration | Height (ft/m) |
| Artemisia | Irregular (9-31 hours) | 5-25 min | 30'/9m |
| Aurum | Irregular (4-22 hours) | 70 sec | 20'/6m |
| Baby Daisy | 35-55 min | 3 min | 25'/8m |
| Beehive | Irregular (intervals range from 22-36 hours to over two weeks) | 5 min | 150+'/45+m |
| Castle* | 13 hours 30 minutes (+/- 45 minutes) | 15-20 min (frequent minor eruptions) | 75'/24m |
| 2nd major after a minor: 14 hours 45 minutes (+/- 45 minutes) | | |
| Daisy* | 2 hours 45 minutes (+/- 30 min or longer if windy) | 3.5 min | 75'/24m |
| Depression | Irregular (2.5 to 4+ hours) | 6 min | 10'/3m |
| Fan & Mortar | Irregular. Five eruptions so far in 2020: 8/10; 8/31; 9/6;10/30; 11/4 | 35 min | 100+'/30+m |
| Giant | Last eruptions: 10/3/2008; 2/8-9/2009; 1/15-16/2010; 1/22/2010; 9/28/2015 | 90+ minutes | 200+'/60+ |
| Giantess | Last eruptions: 1/3/2011; 5/7-8/2011; 9/13/2011; 1/29/14; 8/26/20; 9/10/20 | 4-48 hours | 150+'/45+m |
| Grand* | 6 hours 30 minutes (+/- 60 minutes) | 8-12 min | 160+'/48+m |
| Lion | Variable intervals between series; | 6-7 min initial | 60'/18m |
| 60-90 minute intervals within a Lion series | 3-5 min succeeding | 30'/9m |
| Little Cub | 30-45 minutes when regular | 3-5 min | 5'/1.5m |
| Oblong | 3-7 hours | 5-7 minutes | 25'/8m |
| Old Faithful* | 94 or 68 min (+/- 10 minutes) | 1.5-5 min | 106-184'/30-55m |
| Plume | Irregular. Dormant since 2012. | 1 min | 25'/8m |
| Riverside* | 6 hours 30 min (+/- 30 min) | 20 min | 75'/24m |
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Geysers of the Lower Geyser Basin
| Location | Average Interval | Duration | Height (ft/m) |
| Fountain | 4.5-7 hours | 25-50 min | 50'/15m |
| Great Fountain* | 11 hours 30 minutes (+/- 2 hours) | 45-60 min | 70-200+'/22-60+m |