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Wyoming

Top 20 Natural Monuments in Wyoming

Best natural monuments in Wyoming showcase diverse geological wonders, geothermal activity, and paleontological significance. The state features iconic geysers, ancient fossil beds, and towering rock formations. These sites offer varied experiences for visitors exploring Wyoming's natural landscape. The region's unique geology provides a rich tapestry of natural features.

Best natural monuments in Wyoming

  • The most popular natural monuments is Old Faithful Geyser, a natural monument that erupts every 60 to 100 minutes, spraying water up to 185 feet into…

Last updated: April 28, 2026

Old Faithful Geyser

Highlight • Natural Monument

Old Faithful is the most recognized name in all of Yellowstone National Park. This cone geyser erupts every 60 to 100 minutes and sprays water up to 185 feet in …

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Taggart Lake

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A 6 km long circular path leads to Taggert Lake. It is picturesquely situated on the edge of a mountain range and leads up from the parking lot, which is …

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Grand Prismatic Spring

Highlight • Natural Monument

Grand Prismatic Spring in Midway Geyser Basin is not only the park’s largest hot spring – it is also largest in the United States and the third largest worldwide. Only …

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Morning Glory Pool

Highlight • Natural Monument

Morning Glory Pool is a hot spring located in the Upper Geyser Basin of Yellowstone National Park. The crystal blue water in the spring is the result of ultra-purified water …

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Mammoth Hot Springs Terraces

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The Mammoth Hot Springs are a collection of geothermal vents and springs that empty onto the hills surrounding the city of Mammoth. The mineral rich spring water leaves behind beautiful marble white structures called terraces, which look like staircases.

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Norris Basin

Highlight • Natural Monument

Norris Basin is the oldest and hottest of all the thermal areas in Yellowstone National Park. Dating back to over 115,000 years, there is evidence to show the area was …

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Upper Yellowstone Falls

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Upper Yellowstone Falls is located on the Yellowstone River and has a vertical drop of 110 feet (33 m). Only a quarter of a mile upstream from its bigger brother, …

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Lower Yellowstone Falls

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Lower Falls of the Yellowstone, Yellowstone National Park, United States 🇺🇸

The Lower Falls of the Yellowstone River are a majestic sight, plunging dramatically into the Grand Canyon of the …

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Old Faithful Geyser

Highlight • Natural Monument

The Firehole River, located in Yellowstone National Park, is known for its warm waters, heated by geothermal features, like hot springs and geysers, that the park is famous for. Flowing …

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Emerald Spring

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Emerald Spring is a hot spring located in the Norris Geyser Basin of Yellowstone National Park and is viewable from the wooden boardwalk. Originally named Emerald Geyser by park superintendent …

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Faheem Hunarwar 🌲
April 26, 2026, Lower Yellowstone Falls

Lower Falls Of The Yellowstone River, Yellowstone National Park, United States 🇺🇸 The Grand Canyon of the Yellowstone stretches for roughly twenty miles and offers some of the most breathtaking vistas in the entire American West. Carved by the power of the Yellowstone River, the canyon walls display a stunning array of colors ranging from deep oranges and reds to brilliant yellows and whites, caused by the chemical weathering of iron compounds in the rhyolite rock. To get the best views of the Lower Falls, visitors should head to Artist Point or Lookout Point, which provide sweeping perspectives of the 308-foot waterfall as it plunges into the canyon below. Timing is essential when planning a visit to this iconic landmark, as the roar of the falls is most thunderous during the late spring and early summer when snowmelt increases the river's volume. It is highly recommended to arrive early in the morning to beat the large crowds and to witness the soft morning light illuminating the canyon walls. For those interested in a closer look, the Brink of the Lower Falls trail offers a steep but rewarding hike that leads directly to the edge of the precipice, allowing you to feel the mist and hear the deafening power of the water. Beyond the main overlooks, travelers should explore the various trails that line both the North and South Rims to find quieter spots for photography and wildlife viewing. The area is home to diverse fauna, including osprey that nest on the towering rock pinnacles and the occasional grizzly bear or elk wandering through the nearby forests. Always carry bear spray and stay on designated paths to protect the fragile geothermal environment. Because Yellowstone is a high-altitude park, it is wise to drink plenty of water and wear layers to accommodate the rapidly changing weather conditions common in the mountains. Faheem Hunarwar

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Sigrid
October 27, 2025, Old Faithful Geyser

Old Faithful is a popular attraction in Yellowstone National Park. On average, it erupts every 90 minutes, spewing a 30-55 meter jet of water. This eruption lasts between 1.5 and 5 minutes.

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Ned
July 3, 2025, Norris Basin

Truly wild and a natural spectacle

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Lower Falls of the Yellowstone, Yellowstone National Park, United States 🇺🇸 The Lower Falls of the Yellowstone River are a majestic sight, plunging dramatically into the Grand Canyon of the Yellowstone. This iconic waterfall, nearly twice the height of Niagara Falls, is a testament to the raw power of nature and the volcanic forces that shaped this unique landscape. Visitors can marvel at its grandeur from various viewpoints, each offering a distinct perspective on the cascading water and the vibrant hues of the canyon walls. The Grand Canyon of the Yellowstone itself is a geological wonder, carved by the mighty Yellowstone River over thousands of years. Its rhyolite rock, altered by hot water and steam, displays a dazzling array of colors, from fiery reds and oranges to soft yellows and browns. Hiking trails wind along the rim and descend into the canyon, providing opportunities for intimate encounters with this breathtaking natural artistry. Exploring this area offers incredible photographic opportunities and a chance to truly connect with the wild heart of Yellowstone. Remember to stay on marked trails for safety and to protect the delicate ecosystem. Early mornings or late afternoons often provide the best light for photography and fewer crowds, allowing for a more serene experience.

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The Morning Glory Pool is a hot spring in the Upper Geyser Basin of Yellowstone

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The Midway Geyser Basin is part of the giant Yellowstone Caldera and features two significant geothermal landmark: the Excelsior Geyser (a crater that discharges 4,000 gallons of water per minute into the nearby Firehole River) and the Grand Prismatic Spring (the largest hot spring in the US). A short loop on boardwalks takes you into the basin and along these stunning locations. Come early in the day to avoid the crowds.

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Morning Glory Pool is a hot spring located in the Upper Geyser Basin of Yellowstone National Park. The crystal blue water in the spring is the result of ultra-purified water that has risen its way through the Earth. The yellowing edges of the pool are caused by bacteria that lives in the extremely hot 157.6°F (69.8°C) water. The spring has been measured to be 23 feet (7 m) deep.

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Jamie S.
November 6, 2024, Old Faithful Geyser

The Firehole River, located in Yellowstone National Park, is known for its warm waters, heated by geothermal features, like hot springs and geysers, that the park is famous for. Flowing through scenic valleys and canyons, it supports a unique ecosystem and offers excellent views and wildlife sighting opportunities. It is also one of the few rivers where swimming is allowed; you can got to the Firehole Swim Area, situated two miles south of Madison Junction on Firehole Canyon Drive. This area typically opening in mid-summer and allows visitors to experience the river’s geothermally-influenced waters. However, high water levels or strong currents can delay or prevent its opening, so checking conditions is crucial. The site features two vault toilets but no additional amenities. Swimming is permitted only during designated hours, and items like floats, food, and personal care products (e.g. soap, shampoo) are prohibited to protect the delicate ecosystem. Life jackets are recommended, and children must be closely supervised.

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Frequently Asked Questions

What unique geological features can I explore among Wyoming's natural monuments?

Wyoming is rich in geological wonders. You can witness the dramatic columnar jointing of Old Faithful Geyser and other geothermal features in Yellowstone, the striking igneous intrusion of Devils Tower, or the unique disappearing river phenomenon at Sinks Canyon State Park. The state also boasts ancient fossil beds at Fossil Butte National Monument and the distinctive rock formations of Vedauwoo.

What outdoor activities are available near Wyoming's natural monuments?

Many natural monuments offer excellent opportunities for outdoor activities. For instance, near the Yellowstone and Grand Teton areas, you can find numerous hiking and cycling routes. Explore options like the Mammoth Terraces Trail or the Jenny Lake Loop Trail for hiking, or consider scenic cycling routes such as the Grand Teton National Park Road Trip. You can find more details on these activities in the Hiking in Wyoming and Cycling in Wyoming guides.

Are there family-friendly natural monuments in Wyoming?

Yes, several natural monuments in Wyoming are well-suited for families. Grand Prismatic Spring and Morning Glory Pool in Yellowstone National Park are popular for their vibrant colors and accessible boardwalks. The Lower Yellowstone Falls also offers family-friendly viewpoints. Fossil Butte National Monument provides an engaging educational experience with its ancient fossil displays.

What is the best time of year to visit Wyoming's natural monuments?

The best time to visit Wyoming's natural monuments generally depends on the experience you seek. Summer (June to August) offers the warmest weather and full access to all areas, but also the largest crowds. Spring (May) and Fall (September to early October) provide cooler temperatures, fewer visitors, and beautiful scenery, especially for wildlife viewing. Some roads and facilities may close during winter (November to April), but it offers a unique, snowy landscape for those prepared for cold conditions.

Which natural monuments are known for their geothermal activity?

Yellowstone National Park is world-renowned for its geothermal features. Here, you can experience the predictable eruptions of Old Faithful Geyser, the vibrant colors of Grand Prismatic Spring, the intricate terraces of Mammoth Hot Springs Terraces, and the dynamic landscape of Norris Basin, the oldest and hottest thermal area in the park. Hot Springs State Park in Thermopolis also features mineral-charged hot springs.

Can I find accessible viewpoints or trails at Wyoming's natural monuments?

Yes, several natural monuments offer accessible options. Old Faithful Geyser is easily accessible with paved paths and a short walk from the parking lot, suitable for wheelchairs and strollers. Norris Basin and Emerald Spring also have wheelchair-accessible sections. Many popular viewpoints in Yellowstone and Grand Teton National Parks are designed to be accessible.

Where can I see ancient fossils in Wyoming?

Fossil Butte National Monument in southwest Wyoming is a premier location for viewing ancient fossils. It preserves an extraordinary record of life from 34 to 56 million years ago, including remarkably preserved fish, crocodiles, and bats. Additionally, Como Bluff is a ridge noted for multiple significant fossil discoveries from the late Jurassic period.

What are some of the most dramatic landscapes or canyons to visit?

For dramatic landscapes, the Grand Canyon of the Yellowstone, with its vibrant hues and the powerful Lower Yellowstone Falls, is a must-see. Grand Teton National Park offers majestic, jagged peaks rising nearly 14,000 feet. Bighorn Canyon National Recreation Area features red and ochre sandstone walls descending over 1,000 feet to Bighorn Lake, carved by the river over geologic time.

Are there any unique hydrological features in Wyoming's natural monuments?

Sinks Canyon State Park near Lander features a unique hydrological phenomenon where the Middle Fork of the Popo Agie River vanishes into a large limestone cavern known as 'the Sinks' and mysteriously re-emerges about a quarter-mile downstream in a calm pool called 'the Rise'. Another fascinating feature is Two Ocean Pass, where North Two Ocean Creek splits, with its waters eventually flowing to both the Pacific and Atlantic oceans.

What do visitors enjoy most about Wyoming's natural monuments?

Visitors consistently express awe at the sheer scale and diversity of Wyoming's natural monuments. They particularly enjoy the reliable eruptions of Old Faithful Geyser, the stunning colors of Grand Prismatic Spring, and the captivating beauty of Morning Glory Pool. The unique geological processes, abundant wildlife, and opportunities for hiking and photography are also highly praised.

Can I go rock climbing at any of Wyoming's natural monuments?

Yes, rock climbing is a popular activity at certain natural monuments. Devils Tower National Monument is a renowned destination for rock climbers, drawn to its challenging cracks and unique columnar structure. Sinks Canyon State Park also offers opportunities for rock climbing on its canyon walls.

Are there any natural monuments with significant cultural or historical importance?

Devils Tower National Monument holds significant cultural importance as a sacred site for many Native American tribes. Its designation in 1906 also marks it as the United States' first National Monument. Fossil Butte National Monument is historically significant for its paleontological record, offering a glimpse into ancient ecosystems.

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Find even more amazing natural monuments in Wyoming by checking out the top Highlights region by region:

Absaroka RangeAlbany CountyTeton CountyBridger-Teton National ForestFremont CountyMedicine Bow-Routt National ForestPark County

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