• An aerial view of Old Faithful erupting taken from Observation Point with the Old Faithful Inn to the side.

    Yellowstone

    National Park ID,MT,WY

Current Activity of Selected Geysers

All geyser activity changes with time; this list was compiled Feb. 27, 2012. Predicted geysers are marked with an asterisk (*). You may also call (307)-344-2751 for current predictions.

Upper Geyser Basin

Location Average Interval Duration Height (ft/m)
*Old Faithful 90 or 62 min
(+/- 10 minutes)
1.5-5 min 106-184'/30-55m
Artemisia Irregular (9-31 hours) 5-25 min 30'/9m
Aurum Few recent reports. 70 sec 20'/6m
Baby Daisy 35-55 min 3 min 25'/8m
Beehive Irregular (9-17 hours) 5 min 150+'/45+m
"Boardwalk" Irregular 5-10 min 20'/6m
*Castle 14 hours (+/- 1 hour)) 15-20 min (frequent minor eruptions)) 75'/24m
*Daisy 2 hours 30 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

Dormant since fall of
2011

35 min 100+'/30+m
Giant Last eruptions: 10/3/2008; 2/8-9/2009; 1/15-16/2010; 1/22/2010 - electronic 90+ minutes 200+'/60+
Giantess Last eruptions: 1/2/2011; 5/7-8/2011; 9/13/2011 4-48 hours 150+'/45+m
*Grand 7.5 hours
(+/- 2 hours)
8-12 min 160+'/48+m
Lion Variable intervals between series; 60-90 minute intervals within a Lion series

6-7 min initial

3-5 min succeeding

60'/18m

30'/9m

Little Cub 30-45 minutes when regular 3.5 min 5'/1.5m
Oblong 3-7 hours 5-7 minutes 25'/8m
Plume 60-80 min 1 min 25'/8m
*Riverside 5 hours 50 min (+/- 30 min) 20 min 75'/24m

Lower Geyser Basin

Location Average Interval Duration Height (ft/m)
Fountain 10-13 hours 25-50 min 50'/15m
*Great Fountain 12 (+/- 2 hours) 45-60 min 70-200+'/22-60+m

Norris Geyser Basin

Location Average Interval Duration Height (ft/m)
Echinus Last known eruption: 2/2009 and 12/7/2009 3-5 min 30+'/9+m
Steamboat Last eruptions 4/27/03, 10/22/03, and 5/23/05 10+ min (water phase)
hours to days (steam phase)
300+'/90+m

Predicted geysers are marked with an asterisk (*). Check with rangers for current information, preferably at the OId Faithful Visitor Education Center. You may also call (307) 344-2751 for current predictions.

Did You Know?

Seventh Cavalry Ensignia Pin.

Prior to the establishment of the National Park Service, the U.S. Army protected Yellowstone between 1886 and 1918. Fort Yellowstone was established at Mammoth Hot Springs for that purpose.