Welcome to GeyserTimes

In eruption since 2011
Values for Old Faithful Area2018-12-172018-12-18
Civil Twilight Begin07:2107:21
Sunrise07:5407:55
Sunset16:4516:45
Civil Twilight End17:1817:18
Moon Illumination67.5%76.67%
Last Known Eruption
Old Faithful

1h 13m ago

Grand

5h 51m ago

Castle

2h 31m ago

Riverside

10h 33m ago

Daisy

2h 51m ago

Great Fountain

42d 21h 31m ago

Beehive

10h 34m ago

Steamboat

9d 9h 23m 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 2011-2018

Facebook Page Telegram Channel Google+ Page 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.