Geyser Watch

 An Online Field Journal at


Watching water go the other way…

as well as many more not-quite-so-exciting thermal features of Yellowstone.


GeyserWatch is moving here – lots of changes happening this year!

Thanks for your patience as we shuffle things around. You can still head over to the old site:


Yellowstone's Upper Geyser Basin
Yellowstone's West Thumb Geyser Basin


Could Ear Spring be an indicator for Giantess?

We're quickly approaching the longest day of the year and that means it's high time to pick up the observations, photos and videos from this past year and get them into a better format. I've been thinking a lot about what would be most helpful with these observations....

Abyss Pool Heating Up – July 2017

Just a quick post here to share some comparison photos of the heating up of Abyss Pool at West Thumb Geyser Basin. While there haven't been any reports of "Waterfall Geyser" in quite awhile, it seems the whole geyser basin is just slowly heating up. Which thermal...

Upper Geyser Basin Late June 2017

I recently spent three nights in the Old Faithful area and four delightful days spent taking notes on what I saw and visiting with friends. While I still need to go through more files, I'm starting to take more of the approach I do to scrapbooking and just find...

An excellent video by Yellowstone National Park Service