Yellowstone National Park Photo Gallery: Mammoth Hot Springs

Elk Herd Outside Yellowstone National Park


We were getting worried as we flew into Bozeman, Montana the day before our Winter Wonders Tour of Yellowstone National Park with Off The Beaten Path. My daughter Alex and I had come with visions of snow-covered landscapes, but when we arrived the ground was bare and our shuttle driver complained about unseasonably warm temps. Fortunately, the morning we set off for the park it began to snow like the dickens, and we didn’t even reach Yellowstone before spotting our first wildlife, an expansive Elk herd traversing private farmland in the foothills of the Rocky Mountains.


Yellowstone National Park North Entrance Arch


By the time we made our way along the Yellowstone River to the park’s North Entrance, the snow was really starting to come down and, as temperatures dropped, the accumulation started to stick. Here, Alex explores the famed stone arch that welcomes visitors to America’s first national park, which was created by an act of Congress in 1872 “For The Benefit And Enjoyment Of The People.”


Yellowstone National Park Sign


Despite the falling snow and bitingly cold winds, we couldn’t resist the typical tourist photo op at the Yellowstone National Park sign, especially when we realized there was another herd of Elk about 50 yards in the background. Elk, who normally stay in the higher ranges during warm summer months, prefer lower elevations in the winter, as it is much easier to get to the grasses upon which they graze when they’re not having to dig through several feet of snow.


Mammoth Hot Springs Hotel


Our first stop in the park was the historic Mammoth Hot Springs Hotel, one of the oldest hotels in the park, which provided a perfect launching point from which to explore the otherworldly terraces of Mammoth Hot Springs and the abundant wildlife of the Lamar Valley. By the time we got there to dump our bags in our rooms, any worries about a lack of snow had been replaced with concern about whether we’d brought enough warm clothes for what, to our Atlanta-born eyes, seemed like a blizzard in the making.


Ski Bear, Mammoth Hot Springs Hotel Ski Shop


The good thing about copious amounts of snow is that it turns Yellowstone National Park into a glistening Winter Wonderland. The bad thing is that the rapid fluctuations in temperatures made for very slippery surfaces, so our Off The Beaten Path guides sent us scurrying to the Mammoth Hot Springs Hotel Ski Shop to buy YakTrax. These ingenious (and surprisingly inexpensive) marvels slip over the soles of your shoes, with tiny metal springs that provide incredible traction on icy surfaces. While we were trying them on I spotted this sporty ski bear, who made Alex and I giggle.


Baby Lodge Pole Pine Tree, Yellowstone National Park


Neither Alex or I had ever seen the sheer volume of snow on the ground that we found as we explored Mammoth Hot Springs. Although the boardwalk had just a few inches that had been tamped down by previous visitors, the trail was lined with snow-capped Lodge Pole Pine Trees that made the area look like a picture-perfect Christmas card. Little did we know that landscape was about to change in extremely otherworldly fashion.


Shrouded In Fog In Mammoth Hot Springs


When we got to the overlook of the Main Terrace of the hot springs, this was the first sight that greeted our eyes. The relentless flurry of snowflakes, the steam from the hot springs meeting the cold air, and the acrid odor of sulphur from the area’s constant geothermal activity made for an overwhelming first impression, providing a strikingly alien contrast to the peaceful serenity of the upper trail.


Guide Kurt Westenbarger in Yellowstone National Park


Our guides for the Off The Beaten Path trip were Kurt Westenbarger and his lovely wife, Eve (a soil scientist by trade). Kurt, who grew up nearby and has been guiding in Yellowstone for over 20 years (he even leads tours for National Geographic), has an encyclopedic knowledge of the area’s geology, history and wildlife. Here, he explains how the large complex of hot springs on travertine hills were created over thousands of years as hot water cooled and deposited calcium carbonate. Over two tons of the stuff flow into Mammoth every day, so the landscape literally changes from week to week.


Bizarre Geological Formations in Mammoth Hot Springs


As a result, the area is full of unusual geological formations that are constantly evolving. These bizarre shapes in the water reminded me of miniature stalagmites, and when zoomed in on with my 400 mm lens looked like a vast crystal forest. But everywhere you looked in the hot springs, there were dozens of odd sights vying for your attention.


Dryad Spring


This section, known as Dryad Spring, found the color of the rock changing as the water cascaded down the terrace. It went from white to cream, to beige, to ochre, to bright green and brown, due to the various forms of algae that thrive in the warm (around 170 degrees Fahrenheit) pools. But it wasn’t just the colors that made the springs so oddly fascinating: everything that fell into the water became coated in the limestone-fed calcium carbonate, taking on an alien look all its own.


Dead Trees On Mammoth’s Main Terrace


As Kurt explained, the level of calcium carbonate (which is used in everything from toothpaste to antacids) in the water is so intense in some areas that it gets into the roots of the trees and kills them. But the process also effectively preserves the trees for eternity by preventing decay, which leads to stark landscapes that reminded me of the Namibian desert (you know, if the Namibian desert got a TON of snow).


Canary Spring


One of my favorite photos from our first day in Yellowstone. Canary Spring lies on the edge of Mammoth’s main terrace, and seemed to be even more shrouded in fog than the myriad other springs and terraces we visited. Mammoth loses some appeal when its unique features (such as the colorful dry terraces) are completely covered in snow, but Canary seemed to gain even more character, reminding me of something out of a Stephen King novel.


Bison Near Mammoth Hot Springs


After Alex decided she’d had enough of relentless snow, slippery ice and bitter cold for one day, we had our first heart-pounding animal encounter on our way back to the hotel. We rounded a corner just below the springs in our tour van to see this big bison grazing, using his forehead and horns to push the snow aside and get to the winter grasses that lay beneath. We loved the big, burly creatures, but don’t be fooled: Bison are easily Yellowstone National Park’s most dangerous wildlife, and are responsible for numerous human deaths (largely due to stupidity, such as trying to pet them) each year. We kept a respectful distance, and were delighted to get some killer close-ups as we wound down our first day in the park.  –text & photos by Bret Love


If you enjoyed reading Yellowstone National Park Photo Gallery: Mammoth Hot Springs, you also might like:

Yellowstone National Park: Lamar Valley

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Yellowstone National Park: Lower Geyser Basin




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  1. We still haven’t made it to Yellowstone yet, even though we both lived in the PNW for years. I can’t decide if I’d rather visit during the summer or winter… it seems both are equally gorgeous! And those YakTrax things sound genius.

  2. Wow, that looks amazing, particularly in the snow. I’ve visited geothermal parks in New Zealand, but I think Yellowstone would be something incredible to see 🙂

  3. We were so disappointed to not have made Yellowstone on our US road trip. It is high on our list of places we must go. Love the picture of the bison at the end. So cool that your daughter got to experience this with you

  4. We were lucky enough to have a herd of about 100 bison swim across the river and then meander past our car. Pretty damn frightening as the males seemed to be eyeing us up as a bit of competition. Lucky none charged us and we were not stupid enough to get out of the car although other tourists along the road were. Idiots in my opinion.

  5. One of the most fascinating places I’ve ever visited. Great pics you got of Yellowstone in winter. Love the bison and Canary Spring photos.

  6. Lovely winter images of Yellowstone, I am returning this summer for my second season as an interpretive ranger – all seasons are special but the winter seems especially so.

    Thanks very much for putting the word out about staying a respectful distance from the wildlife. I constantly have to remind visitors that Yellowstone is not a zoo, the wildlife is not tame but can be very dangerous, and it is best if they would learn to use the zoom function on their camera.

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  8. This must have been a wonderful trip. My husband and I have talked about going there many times, but I think we will wait until our younger son is a bit older (he just turned 1). Such amazing nature. I love your site, by the way. Looks great!

  9. Looks awesome. I love that Buffalo shot. We have never been to Yellowstone but it is so high on our list. I can’t tell you how many times we have said that we have to do a road trip to check out all the beautiful national parks in the US.

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