Highlight • Natural Monument
Morning Glory Pool
Hiking
5.0
(44)
Cycling
5.0
(2)
Mountain biking
5.0
(1)
Morning Glory Pool is a world-famous hot spring nestled in the Upper Geyser Basin of Yellowstone National Park, Wyoming, USA. This natural monument, situated at an elevation of 2229 meters, is renowned for its mesmerizing, vibrant multi-colored rings of green, yellow, and orange. It stands as a captivating natural feature within the vast geothermal landscape of the Rocky Mountains.
Visitors consistently praise the pool's stunning beauty and captivating colorful splendor. Many describe it as their favorite among the local thermal…
This Highlight is in a protected area
Please check local regulations for:
Tips
May 9, 2023
Hiking
May 10, 2024
Hiking
•April 10, 2025
Hiking
•Nearby routes
Best routes near Morning Glory Pool
4.9
(45)
503
hikers
5.18km
01:20
20m
20m
5.0
(10)
135
hikers
10.8km
02:52
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(4)
86
hikers
14.4km
03:48
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Details
Informations
Elevation 2,230 m
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Today
Friday 13 March
6°C
-1°C
33 %
Additional weather tips
Max wind speed: 37.0 km/h
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Frequently Asked Questions
What is the best way to get to Morning Glory Pool, and is there parking nearby?
Morning Glory Pool is located in the Upper Geyser Basin of Yellowstone National Park. The most common way to access it is via a pleasant walk or bike ride of about a mile from the iconic Old Faithful geyser. Parking is available at the Old Faithful area, which serves as the primary trailhead for this part of the park. From there, you can follow the paved trail that leads directly to the pool, offering views of other geysers and hot springs along the way.
Is the trail to Morning Glory Pool suitable for families with young children or those with mobility challenges?
Yes, the trail to Morning Glory Pool from Old Faithful is considered family-friendly and generally accessible. It is a paved path, making it suitable for strollers and most wheelchairs. The walk is relatively flat and about a mile long, offering an easy and enjoyable experience for visitors of all ages and abilities. However, always check current park conditions for any temporary closures or accessibility updates.
What makes Morning Glory Pool's colors so vibrant, and why have they changed over time?
The vibrant colors of Morning Glory Pool are created by communities of heat-loving microorganisms called thermophiles that thrive in the hot water. Different species display various colors—yellow and colorless thermophiles in the hottest water, while orange, brown, and green varieties appear in cooler areas. Historically, the pool was a deep, clear blue. Its current multi-hued appearance is largely due to human impact; debris thrown into the pool by visitors clogged its vents, restricting hot water flow and lowering the temperature. This allowed cooler-temperature thermophiles to flourish, altering its iconic blue to the colorful spectacle seen today.
Can I visit Morning Glory Pool in winter, and what should I expect?
Yes, Morning Glory Pool can be visited in winter, offering a dramatically different experience. The trail from Old Faithful remains accessible, often groomed for cross-country skiing or snowshoeing, though conditions can vary. Expect snow-covered landscapes and the steam rising from the hot spring to be particularly striking against the cold backdrop. Dress in warm layers, wear appropriate winter footwear, and be prepared for colder temperatures and potentially icy conditions on the trail. Services and access roads in Yellowstone are limited during winter, so plan your visit accordingly.
Are there any other notable geological formations or attractions near Morning Glory Pool?
Morning Glory Pool is situated in the Upper Geyser Basin, which is one of the most geothermally active areas in Yellowstone. The walk to the pool from Old Faithful offers the chance to see numerous other geysers and hot springs, including Grand Geyser, Castle Geyser, and Daisy Geyser. The entire basin is rich with diverse geothermal features, making the journey as captivating as the destination itself.
How deep is Morning Glory Pool, and what is its water temperature?
Morning Glory Pool has been measured to be approximately 7 meters (23 feet) deep. The water at its center, where it is hottest, can reach temperatures around 69.8°C (157.6°F). These high temperatures are what allow the unique thermophilic bacteria to thrive and create the pool's distinctive colors.
What is the history behind the name 'Morning Glory Pool'?
This natural monument was named in the 1880s for its striking resemblance to the morning glory flower. Early descriptions celebrated its deep, clear blue color, which was maintained by temperatures too high for most bacteria or algae to thrive. The name reflects its original pristine beauty and vibrant hue.
Are there any less crowded viewpoints or trails to experience the Upper Geyser Basin near Morning Glory Pool?
While Morning Glory Pool itself is a popular destination, the Upper Geyser Basin offers many interconnected trails. To experience less crowded areas, consider exploring some of the side loops or trails that venture slightly further from the main boardwalks, especially during peak season. Early mornings or late afternoons can also offer a more tranquil experience at the main attractions. The entire basin is vast, providing opportunities to discover quieter thermal features away from the most frequented spots.
What should hikers wear or bring for the walk to Morning Glory Pool?
For the walk to Morning Glory Pool, hikers should wear comfortable walking shoes suitable for a paved trail. Given Yellowstone's variable weather, it's wise to dress in layers, even in summer, and bring a light jacket or rain gear. Sun protection (hat, sunglasses, sunscreen) is also recommended. Don't forget water and a camera to capture the stunning scenery.
Is it possible to see Morning Glory Pool erupt like a geyser?
While Morning Glory Pool is primarily a hot spring, on rare occasions, usually following seismic activity, it has been known to erupt as a geyser. These eruptions are infrequent and unpredictable, making them a rare sight for visitors. Its primary characteristic remains its stunning, colorful pool rather than geyser activity.