Welcome to GeyserTimes

In eruption since 2011

Today's Eruptions

View as
Anemone-Big0703 ie wc, 1115 wc, 1142 wc, 1206 wc
Anemone-Little0650 ie wc, 0714 wc, 0847 wc, 1128 ie
Artemisia1414 ns
Aurum0704 wc, 1150 wc
Bulger0559 ie wc, 0628 wc min, 0645 wc min, 0751 wc min, 0801 wc min, 0809 wc min, 0816 wc min, 0823 wc min, 0933 wc maj, 1430 maj
Castle1357 maj
Daisy0622 ie wc, 0825 wc, 1037 wc, 1302 ie wc, 1459
Dome0523 ie wc, 0539 ie wc, 0559 ie wc, 0619 ie wc, 0638 wc, 0659 ns wc, 0720 ie wc, 0741 ie wc, 0807 ie wc, 0828 ie wc, 0852 wc, 0917 ie wc, 0942 wc, 1005 wc, 1035 ie wc, 1058 ns wc, 1125 ie wc, 1154 ns wc, 1223 ie wc, 1250 ns wc, 1320 ns wc, 1351 ie wc
Grand0801 wc, 1444:00
Grotto0655 wc, 1207 ie wc
Lion1218 wc ini
Little Cub0630 ie wc, 0659 ns wc, 0833 ie wc, 1004 ie wc, 1132 ie wc, 1203 ie wc, 1304 ie wc
Little Squirt 0555, 1127 ie
Lone Pine 0955
Marmot Cave0643 ie wc
Old Faithful0553 ns wc, 0736 wc long, 0917 wc long, 1102 wc long, 1226 wc long, 1400 wc long
Old Tardy0635 ie wc, 0812 wc, 0948 ie wc
Riverside0622 ns wc, 1234 ie wc
Silver Spring 1052
Split Cone0634 ns wc, 0754 ie wc, 0909 ns wc, 1055 ns wc, 1219 ie wc
Turban1340, 1402, 1423, 1443
West Triplet1403
Values for Old Faithful Area2020-05-262020-05-27
Civil Twilight Begin05:0905:08
Civil Twilight End21:3121:32
Moon Illumination12.42%20.27%
Last Known Eruption
Old Faithful

1h 10m ago


26m ago


1h 13m ago


2h 36m ago


11m ago

Great Fountain

74d 18m ago


1d 3h 40m ago


3d 3m ago

All data is shown in US/Mountain timezone unless specified otherwise.

GeyserTimes.org is not affiliated with the National Park Service, but it is "for the benefit and enjoyment of the people".

If you have any questions or comments please contact: webmaster@geysertimes.org

Support open geyser data: Patreon Page

© Copyright 2011-2020

Facebook Page Telegram Channel Get it on Google Play Download on the App Store

Google Play and the Google Play logo are trademarks of Google LLC.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.