Famous Geysers & Hot Springs in Yellowstone

Get ready for cascades, geysers, rock pillars, sand dunes, and more–no one back home is going to believe the wild and wonderful geologic features of Yellowstone Country.

Morning Glory Pool

8 Best Yellowstone Geyser Basins and Map

A map showing Yellowstone’s geyser basins including the Upper Geyser Basin with Old Faithful and Morning Glory Pool, and nearby Grand Prismatic. Read More...

Yellowstone Bacteria and Beer

Beer, Science, and Yellowstone Bacteria

Brewers use Yellowstone organisms for quality testing beer. Read More...

Emerald Spring in the Norris Back Geyser Basin. Photo by Gloria Wadzinski

Extreme Geysers in Yellowstone’s Back Basin

At the Norris Back Geyser Basin, you’ll see a land of extremes… the tallest, but infrequent geyser, geysers that erupt continuously, springs that have been damaged by man, new geysers, old geysers, and exploding geysers. Read More...

Fairy Falls. Photo by C. Sagan

Fairy Falls Trail to Imperial Geyser in Yellowstone

See the best view of Grand Prismatic Spring, a waterfall, and two geysers in 3.25 Miles. This easy hike off the Grand Loop Road is one of our favorites. Read More...

Firehole Spring. Photo by Gloria Wadzinski

Firehole Lake Drive off Yellowstone’s Grand Loop

Firehole Lake Road is a 3-mile, one-way road off the Grand Loop between Old Faithful and Madison. Geysers & hot springs are visible from the road & boardwalk. Watch the time-lapse video of the drive. Read More...

yellowstone-warning-geothermic

Geothermal Attractions Can Be Dangerous

Most people are aware of danger from wild animals such as Grizzly Bears. But for unwary visitors to Yellowstone National Park, the extraordinary natural features that keep Yellowstone such an alluring place can also make it perilous. Deaths and injuries are not uncommon around geysers and other geothermal attractions. Read More...

Steamboat Geyser in the Norris Geyser Basin

Geothermal Features Constantly Changing in Yellowstone

With a jet engine roar and a mighty burst of steam and water, a large geyser that hadn’t erupted since 1998 surprised two hikers near the edge of Norris Geyser Basin in early June, 2008. Read More...

Yellowstone-Geothermal-Damage

Geothermal Features Easily Damaged

Yellowstone’s geysers, mud pots, and hot springs offer magical glimpses of the powerfully roiling geologic forces that in other places remain hidden well beneath the earth’s surface. Read More...

Castle Geyser in the Upper Geyser Basin. Photo by Jeff Vanuga

Geyser Gazers Perform Vital Service for Science

There is no cure, but treatment can consist of regular visits to geysers, or becoming a member of the Geyser Observation and Study Association (GOSA), a citizen-science group of 300 members. Read More...

Artist's Paintpots. Photo by Gloria Wadzinski

Geysers & Hot Springs look like Pastel Artists’ Paintpots

At Yellowstone’s Artists’ Paintpots, you see pastel-colored mud and springs, bubbling and gurgling under a blanket of steam. Read More...

Man on a Yellowstone boardwalk in front of a hot springs

Has Anyone Ever Fallen into a Geyser?

Visitors have in the past slipped and fallen into hot springs, or were severely injured with burns from erupting geysers, but it is extremely rare. Read More...

Mammoth Hot Springs. Photo by Nicki Vogel

Mammoth Hots Springs – An Inside-Out Cave

The Upper Terraces include the following geothermal features: Opal Terrace, Liberty Cap, Palette Spring, Minerva Terrace, Cleopatra Terrace, Jupiter Terrace, Main Terrace and Canary Spring. Read More...

Norris Porcelain Basin. Photo by Jeff Vanuga

Norris Geyser Basin – Yellowstone’s Hottest, Oldest, Tallest

Norris holds the record for the highest temperature ever recorded in Yellowstone. It has the tallest geyser in the world, and the colors too impress with milky blues, greens, and yellows. Read More...

Norris Porcelain Geyser Basin. Photo by Gloria Wadzinski

Norris Porcelain Geyser Basin’s Milky Colors

Porcelain Basin is named due to the milky color of the mineral deposited here. That whitish-colored mineral is siliceous sinter, also known as geyserite. Read More...

yellowstone-geysers-hot-springs-sagan

Rare Microbes Flourish in Yellowstone National Park Geysers and Hot Springs

The Thermal Biology Institute at Montana State University studies life forms and microbes found in the hot springs and geysers of Yellowstone National Park. Read More...

Aerial view of Upper Geyser Basin. Photo by NPS Jim Peaco

Researchers Take Calculated Risks Around Hazards

Tourists are most likely to get burned in Yellowstone’s thermal areas when they stray off marked trails and boardwalks. But Yellowstone’s geologists and other scientists also try to stay acutely alert to the dangers that lurk in the geysers, hot springs, and steam vents. Read More...

Yellowstone Old Faithful Geyser

See Old Faithful and 60% of the World’s Geysers in Yellowstone’s Upper Geyser Basin

See Old Faithful, Castle Geyser, Riverside Geyser and geothermal features of Yellowstone country’s steaming vents, erupting geysers and gurgling hot springs. Read More...

Steamboat Geyser in Norris Geyser Basin

See the World’s Tallest Geyser…If You’re Lucky

Old Faithful’s predictability is the exception; most geysers give little warning when they’re about to blow. The result, of course, is a surprise steam-and-water show. And in the case of Steamboat Geyser, there’s no other show like it Earth. Read More...

Yellowstone's Boiling River Swimming Area. Photo by NPS Jim Peaco

Swim in Yellowstone’s Boiling River

Find out exactly how to get to Yellowstone’s Boiling River and the rules and regulation for this hot spring near the Mammoth area of the park. Read More...

Morning Glory Pool with Couch Stuffed Down It

Things Stuffed Down Yellowstone’s Geysers

From laundry to couches, soap to horseshoes, Old Faithful and neighboring Yellowstone geysers and hot springs have been a receptacle for more than just water since the park’s inception. The latest has been a drone that dived into the Grand Prismatic Hot Spring Read More...

Giantess Geyser

This is Yellowstone: Giantess Geyser

An infrequent, but violent Yellowstone geyser recently erupted after its longest period of known dormancy. Read More...

Imaging of Morning Glory Pool comparing heat affecting color change. (Photo : Nugent, Shaw, and Vollmer)

Vandals Change Color of Geysers

New study reports that as a result of coins, trash, and rocks thrown into the pool over time, the pool’s temperature is cooler altering the color Read More...

Yellowstone-Geysers

Watch Geysers Erupt in Yellowstone

Yellowstone is the largest active geyser field in the world. Read More...

Test tube geyser from YouTube video

Why Do Geysers Erupt?

Watch a video showing a test tube “geyser” with clear looping chambers underneath. It slowly bubbles until the pressure is reached, creating a blast. Read More...

Steamboat Geyser May-23, 2005

World’s Tallest Geyser Erupts Unexpectedly in Yellowstone

Wednesday, Sept 3, 2014: Steamboat Geyser in Yellowstone’s Norris Back Basin erupted unexpectedly Wednesday evening. Rosa Prasser, a Yellowstone Ranger, witnessed the eruption at 11:00 pm. Read More...

Steamboat Geyser in Norris Geyser Basin

Yellowstone Geyser Trivia

Steamboat Geyser in Norris Geyser Basin. No one can predict when it’s going to erupt, as it works on an odd schdeule, ranging from four days to fifty years. Read More...