Geyser Watch

 An Online Field Journal at YellowstoneNaturalist.com

Watching water go the other way…

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

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Jan 2024

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Ready to learn more about the geysers?

Read the Get to Know the Geysers series of posts.

Geyser Watch Blog Posts

Small Changes in the Chinese Spring Area

Small Changes in the Chinese Spring Area

We’re almost here to opening weekend for the East Gate – though it will be another week until West Thumb Geyser Basin is accessible. Patience. I keep telling myself just to be patient. Before my fall last week, I had intended to put up a reasonably cohesive post about...

Get to know Aurum Geyser

Get to know Aurum Geyser

This post takes a closer look at Aurum Geyser, one that’s a favorite of many that can take a bit of determination, dedication and a healthy dose of patience to witness up close. WHERE IT’S LOCATED Aurum Geyser is located on the upper side of Geyser Hill, a short walk...

Get to know Giant Geyser

Get to know Giant Geyser

Giant Geyser is the largest geyser in the Upper Geyser Basin and second largest in the world, only being beaten out by Steamboat Geyser over at Norris Geyser Basin. Since I’ve written about Giant Geyser before, in this article, I’ll drill down to just the bare basics...

Get to know Crested Pool

Get to know Crested Pool

As we continue with this series of posts, this week we’re looking at a neighbor of Castle Geyser. Crested Pool has gone by many other names during the early days of the park before the name was finally officially decided by the USGS place names committee in 1927....

Get to know Grotto Geyser

Get to know Grotto Geyser

Grotto Geyser has one of the most unusual cones that attracts attention whether or not the geyser is erupting. It’s also closely related to other geysers in the area. In this post, we’ll take a look at not only Grotto Geyser, but also a bit about how geysers are...

Get to know Doublet Pool

Get to know Doublet Pool

BASICS 8 to 12 feet deep Has rare eruptions of up to 2-3 feet. Thumps can be felt and heard, usually about every 30 minutes. WHERE IT’S LOCATED Doublet Pool is located on the upper boardwalk on Geyser Hill, a short walk from Old Faithful. Near the sign for Doublet...

Get to know Lion Geyser

Get to know Lion Geyser

In this post, we’ll take a look at another geyser on Geyser Hill: Lion Geyser. BASICS • Erupts in a series of eruptions followed by a pause of many hours.• Eruptions are 50-70 feet high and last 4-5 minutes• Is not predicted, but if it is in a series, it’s fairly easy...

Get to know Castle Geyser

Get to know Castle Geyser

Castle Geyser is one of the major geysers in the Upper Geyser Basin and it’s eruptions are predicted. Generally you can expect Castle Geyser to erupt once a day during the daylight hours. In this article we’ll take a closer look at this amazing geyser. THE BASICS OF...

Get to know Daisy Geyser

Get to know Daisy Geyser

Daisy Geyser was a favorite of my Grandmother. Based on the stories she told me, I think in part because she was around when Park Naturalist, George Marler, was learning more about it in the 1940s and 1950s. In this article, I’ll take you through what to watch for...

Explore the Geyser Basins

As time allows, I will be fleshing out these various links with at least a few thermal features per area. Thanks for your patience.