Highlight • Natural Monument
Devils Postpile
Hiking
4.6
(12)
Running
5.0
(1)
Devils Postpile National Monument, nestled in the Sierra Nevada mountains of Eastern California, is a remarkable natural monument renowned for its unique geological formations. Located within the scenic Reds Meadow Valley, surrounded by the Inyo National Forest and adjacent to the Ansel Adams Wilderness, this site protects one of the world's finest examples of columnar basalt. Standing at an elevation of approximately 2287 meters, it offers a striking landscape near the town of Mammoth Lakes.
Visitors are consistently captivated by the sheer grandeur of the Devils Postpile formation itself. The towering wall of volcanic basalt columns, some reaching up to 18 meters high, displays an astonishingly symmetrical, often hexagonal, shape. This unique geological feature, formed by ancient lava flows and later sculpted by glaciers, leaves a lasting impression on all who witness its intricate patterns and polished top.
Planning your visit requires some consideration, as Devils Postpile National Monument is typically accessible only from mid-June to mid-October due to seasonal conditions. Given its popularity, especially during peak season, expect to share the experience with other nature enthusiasts. The trails leading to the Postpile and Rainbow Falls are well-maintained, but comfortable footwear is always recommended for exploring the varied terrain.
The best time to visit Devils Postpile is during its open season, when the weather is mild and all facilities are operational. Hiking is the primary activity, with popular trails leading directly to the columnar basalt formation and the breathtaking 101-foot Rainbow Falls on the Middle Fork of the San Joaquin River. Sections of the iconic John Muir Trail and Pacific Crest Trail also pass through the monument, offering longer trekking opportunities and a chance for wildlife spotting.
Exploring the area around Devils Postpile reveals a diverse landscape, from the unique geological features of the basalt columns to the vibrant rainbows often seen at Rainbow Falls. Hikers can enjoy the relatively easy walk to the Postpile, marveling at the ancient volcanic rock, or continue on to the powerful waterfall. The monument provides a rustic national park experience, connecting visitors with the pristine wilderness of the Sierra Nevada.
Whether you're interested in short, family-friendly hikes or longer excursions along renowned long-distance trails, komoot offers a variety of routes to help you discover the wonders of Devils Postpile. From gentle strolls to more challenging treks, you can find the perfect path to experience this extraordinary natural monument and its surrounding beauty.
Tips
September 27, 2020
Hiking
The main attraction of the park is Devils Postpile, an approximately 100 meters wide and 30 meters high cliff of vertical, volcanic basalt columns, which have a very symmetrical, hexagonal shape.
July 29, 2017
Hiking
January 24, 2024
Running
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Nearby routes
Best routes near Devils Postpile
18
hikers
4.25km
01:10
40m
100m
The Rainbow Falls via Devils Postpile Trail offers a captivating journey through diverse landscapes, from serene meadows and recovering burn scars to the dramatic columnar basalt of Devils Postpile. You'll follow the Middle Fork San Joaquin River, eventually reaching the magnificent 101-foot Rainbow Falls, famous for the vibrant rainbows that frequently appear in its mist. This easy 2.6-mile (4.3 km) hike, with a gentle 133 feet (40 metres) of elevation gain, is a high-reward option for families and takes about 1 hour and 9 minutes to complete.
Accessing the Devils Postpile National Monument, where the trail begins, typically requires using a mandatory shuttle system during peak summer months, so check operating hours before you go. The route can be exposed in sections, so carrying plenty of water and applying sunscreen is essential, especially on warmer days. For the best chance to see the falls in full flow and catch a rainbow, plan your visit for a sunny day in late spring or summer.
This trail is a fantastic way to experience two significant geological wonders: the unique hexagonal columns of Devils Postpile and the powerful Rainbow Falls. It also offers a glimpse into the resilience of nature, passing through areas recovering from the 1992 Rainbow Fire, now blooming with new growth and wildflowers. The trail also connects with the famous John Muir Trail and Pacific Crest Trail, offering a taste of these epic routes.
4.5
(4)
33
hikers
13.5km
03:45
240m
240m
This loop takes you through a stunning cross-section of the Eastern Sierra Nevada, showcasing unique geological formations and powerful waterfalls. You'll wander through peaceful pine forests, follow the Middle Fork of the San Joaquin River, and marvel at the hexagonal columns of Devils Postpile. The trail culminates at the impressive 101-foot Rainbow Falls, where you're often treated to vibrant rainbows in the mist. It's a diverse journey through the Ansel Adams Wilderness, offering a taste of the High Sierra's pristine beauty.
Accessing this area during peak season requires using a mandatory shuttle system from the Mammoth Mountain Adventure Center, as private vehicles are restricted. The shuttle makes stops at key points like Minaret Falls, allowing you to start your adventure conveniently. Remember to carry ample water, especially on sunny days, as sections of the trail can be exposed. This system ensures a smoother experience for everyone, but plan your timing around shuttle schedules.
The Devils Postpile is considered one of the world's finest examples of columnar basalt, a truly remarkable natural wonder. Beyond the geological marvels, the trail also passes through areas affected by the 1992 Rainbow Fire, offering a unique perspective on forest regeneration and expansive valley views. You'll even intersect with sections of the famous John Muir Trail and Pacific Crest Trail, connecting you to a larger network of iconic wilderness routes.
16
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
Details
Informations
Elevation 2,290 m
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Thursday 25 June
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Max wind speed: 19.0 km/h
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Frequently Asked Questions
What makes the Devils Postpile's geological formation so unique?
The Devils Postpile is one of the world's finest examples of columnar basalt. These striking columns, formed from a slow-cooling lava flow approximately 82,000 to 100,000 years ago, tower up to 60 feet (18 meters) high. While many are hexagonal, some columns have five, four, three, or seven sides due to variations in cooling. A glacier later carved away one side and polished its top, leaving visible glacial striations and a unique 'tiled' appearance.
How does parking and shuttle access work at Devils Postpile National Monument?
During the peak season (typically mid-June to early September), private vehicles are generally not allowed past the Minaret Summit entrance station between 7:00 AM and 7:00 PM. Visitors must park at Mammoth Mountain Ski Area and take the mandatory Reds Meadow Shuttle Bus into the monument. Parking fills up fast, especially in summer, so arriving before mid-morning is strongly recommended. There is a fee for the shuttle.
Are there any entry fees or permits required to visit Devils Postpile National Monument?
There is an entrance fee to the Reds Meadow Valley, which includes Devils Postpile National Monument. This fee is typically collected at the Minaret Summit entrance station. If you arrive via the Reds Meadow Shuttle, the shuttle ticket usually covers this fee. Specific permits are generally not required for day hiking within the monument itself, but backcountry permits are needed for overnight stays in the adjacent Ansel Adams Wilderness.
What are the main hiking trails at Devils Postpile, and how difficult are they?
The two primary trails lead to the Devils Postpile formation and Rainbow Falls. The trail to the Postpile is a relatively easy, mostly flat walk of about 0.4 miles (0.6 km) from the shuttle stop. The trail to Rainbow Falls is a longer, moderate hike of about 2.5 miles (4 km) one-way from the Postpile, with some elevation changes. Both trails are well-maintained and suitable for most hikers.
Can I hike to both Devils Postpile and Rainbow Falls in one trip?
Yes, it's a popular option to combine both landmarks into a single hike. Many visitors walk from the Devils Postpile shuttle stop to the Postpile, then continue along the trail to Rainbow Falls. This combined route is approximately 5 miles (8 km) round trip from the Postpile shuttle stop, offering a rewarding experience of both natural wonders.
Is Devils Postpile National Monument dog-friendly?
Yes, leashed dogs are generally permitted on trails within Devils Postpile National Monument, including the paths to the Postpile and Rainbow Falls. However, dogs are typically not allowed on the Reds Meadow Shuttle Bus, except for service animals. If you plan to bring your dog, you may need to drive in during hours when the shuttle is not mandatory (before 7 AM or after 7 PM during peak season) or make alternative arrangements.
Are there accessible trails or facilities for visitors with mobility challenges?
The trail to the base of the Devils Postpile formation is generally considered accessible, being relatively flat and well-maintained. However, the trail to the top of the Postpile and the longer trail to Rainbow Falls involve some elevation changes and uneven terrain, which may be challenging for some visitors. It's best to check the official NPS website for the most current accessibility information.
What wildlife might I encounter at Devils Postpile?
The monument and surrounding Inyo National Forest are home to diverse wildlife. Visitors might spot mule deer, various bird species, and smaller mammals like pine martens and coyotes. Black bears are also present in the area, so it's crucial to practice bear-safe food storage and hiking habits. Always observe wildlife from a respectful distance.
Is Devils Postpile accessible during the winter months?
Devils Postpile National Monument is typically closed to vehicle traffic from mid-October to mid-June due to heavy snow. However, it is accessible during winter for cross-country skiing and snowshoeing. This requires a much longer journey, often from Mammoth Lakes, and visitors should be prepared for challenging winter conditions and self-sufficiency.
What should I pack for a hike at Devils Postpile?
Even for shorter hikes, it's wise to pack essentials. Bring plenty of water, snacks, sun protection (hat, sunscreen, sunglasses), and layers of clothing as mountain weather can change quickly. Comfortable hiking shoes are a must. A camera is highly recommended for capturing the unique geology and scenic beauty. Bear spray is not typically necessary, but knowing bear safety protocols is always good.
Are there camping options near Devils Postpile National Monument?
Yes, several campgrounds are located within the Reds Meadow Valley, close to Devils Postpile. These include Reds Meadow Campground, Agnew Meadows Campground, and Pumice Flat Campground, among others. These campgrounds are popular and often fill up quickly, especially during peak season, so reservations are highly recommended if available, or plan to arrive early for first-come, first-served sites.
Where can I find food or restaurants near Devils Postpile?
There are no restaurants or food services directly within Devils Postpile National Monument. However, there is a general store and a small cafe at Reds Meadow Resort, which is located within the Reds Meadow Valley, a short distance from the monument. For more extensive dining options, the town of Mammoth Lakes offers a wide variety of restaurants and cafes.