Devils Postpile National Monument: A Geological Wonder

Discover a geological marvel and stunning waterfalls in the heart of the Sierra Nevada at Devils Postpile National Monument, a gateway to the Ansel Adams Wilderness.

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Devils Postpile National Monument

Devils Postpile National Monument, nestled near Mammoth Lakes, California, protects a rare geological formation of columnar basalt, showcasing nature's artistry. The monument's centerpiece, the Devils Postpile, features towering hexagonal columns formed by ancient lava flows and shaped by glacial activity. Visitors can explore the postpile from its base and summit, hike to the stunning 101-foot Rainbow Falls, or venture into the Ansel Adams Wilderness. Access during the summer months typically requires a mandatory shuttle, enhancing the experience and preserving the delicate environment. With hiking, fishing, and breathtaking scenery, Devils Postpile offers a unique and memorable outdoor adventure.

A brief summary to Devils Postpile National Monument

Devils Postpile Road, Mammoth Lakes, CA, 93546, US
+1760-934-2289
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Local tips

During peak season, arrive early at the Mammoth Mountain Adventure Center to secure shuttle tickets, as they often sell out, especially on weekends.
Consider hiking the loop from Devils Postpile to Rainbow Falls and back for a varied experience of the monument's highlights.
Bring layers, as the weather in the Sierra Nevada can change rapidly, even during the summer months.
Pack a picnic to enjoy at Rainbow Falls or near the Devils Postpile, taking in the stunning scenery.
Check the NPS website for alerts regarding trail closures, fire restrictions, or shuttle schedule changes before your visit.

Getting There

Shuttle Bus

During the summer operating season (typically mid-June through Labor Day), access to Devils Postpile National Monument is primarily via the mandatory Reds Meadow/Devils Postpile Shuttle. From Mammoth Lakes, take the free town shuttle (Red Line) to the Mammoth Mountain Main Lodge. From there, purchase shuttle tickets at the Mammoth Mountain Adventure Center. A 5-hour pass costs $15 per adult and $7 per child (ages 3-15). A 3-day pass is $30 per adult and $14 per child. The shuttle bus then takes you into the Reds Meadow Valley, stopping at various points including Devils Postpile. The shuttle ride is approximately 30 minutes. Parking at Mammoth Mountain Main Lodge is free, but can be crowded on weekends, so arrive early. During peak hours (8:00 am - 3:00 pm), reservations are strongly encouraged and can be made at MammothMountain.com/RedsMeadow or by calling 1-800-MAMMOTH. Exact change is required if purchasing tickets from the driver on the 7:30 am bus or when boarding within the valley.
Driving

Outside of the mandatory shuttle season, or if you qualify for an exception (e.g., camping in the valley, arriving before 7:00 am or after 7:00 pm), you can drive to the monument. From Highway 395, take Highway 203 west towards Mammoth Mountain. Continue past the ski area to Minaret Vista, where you'll pay a $10 entrance fee per vehicle (or display a valid Interagency Pass). Continue down the steep, winding Minaret Road to the Devils Postpile parking area. Parking is limited and fills quickly, especially on weekends. A free shuttle operates between Reds Meadow Resort and Devils Postpile on weekends to alleviate parking congestion. There is no overnight parking in the Reds Meadow Valley or Devils Postpile after October 15; backpackers must arrange for a shuttle or taxi, or be prepared to hike out.

Discover more about Devils Postpile National Monument

Devils Postpile National Monument, a hidden gem in the eastern Sierra Nevada near Mammoth Lakes, California, safeguards a remarkable landscape sculpted by volcanic forces and glacial artistry. Established in 1911, the 800-acre monument is a sanctuary of geological wonders, pristine mountain scenery, and outdoor recreation. The monument's namesake, the Devils Postpile, is an extraordinary formation of columnar basalt. These towering columns, some reaching 60 feet in height, exhibit a striking symmetry, resembling a giant stack of neatly arranged posts. Formed less than 100,000 years ago by a thick lava flow, the basalt cooled and contracted, creating the distinctive hexagonal columns. Glacial activity further shaped the postpile, carving away one side and polishing the tops of the columns, leaving behind a mesmerizing geological display. Beyond the postpile, the monument boasts the breathtaking Rainbow Falls, a 101-foot waterfall on the Middle Fork of the San Joaquin River. As the river plunges over the volcanic rock cliff, the cascading water creates a vibrant mist, often producing stunning rainbows when the sun is overhead. The falls are accessible via a scenic 2.5-mile trail from the ranger station, offering a rewarding hike through the picturesque landscape. The monument also serves as a gateway to the Ansel Adams Wilderness, a vast expanse of pristine backcountry. The John Muir Trail and Pacific Crest Trail traverse the monument, beckoning hikers and backpackers to explore the High Sierra's rugged beauty. Anglers can cast their lines in the San Joaquin River, a designated Wild Trout River, teeming with rainbow, brown, and brook trout. The monument's history is intertwined with both natural forces and human intervention. Originally part of Yosemite National Park, the area faced potential destruction in the early 20th century when mining interests proposed blasting the postpile to create a dam. However, conservationists, including the renowned John Muir, rallied to protect the unique geological formation, leading to its designation as a National Monument. Visiting Devils Postpile National Monument is an immersive experience, offering a chance to witness the power of nature's artistry and explore the wonders of the Sierra Nevada. The monument is typically open from mid-June to mid-October, depending on snow conditions. During the summer months, access is often restricted to a mandatory shuttle bus, which departs from the Mammoth Mountain Adventure Center. This shuttle system helps to manage traffic and protect the fragile environment. Upon arrival, visitors can explore the Devils Postpile up close, hiking to its base and summit for panoramic views. The short but rewarding trail offers a unique perspective on the columnar basalt formation. The hike to Rainbow Falls is another must-do, leading through a diverse landscape of forests and meadows to the cascading waterfall. For those seeking a longer adventure, the monument provides access to numerous trails within the Ansel Adams Wilderness. Backpackers can embark on multi-day treks, immersing themselves in the solitude and beauty of the High Sierra. Fishing enthusiasts can find prime spots along the San Joaquin River, while wildlife watchers can observe a variety of birds and mammals, including black bears, mule deer, and coyotes. Devils Postpile National Monument is a testament to the power of nature's artistry and the importance of preserving our natural heritage. Whether you're a geology enthusiast, a hiking aficionado, or simply seeking a breathtaking escape, Devils Postpile offers an unforgettable experience in the heart of the Sierra Nevada. Remember to check the National Park Service website for current conditions, shuttle schedules, and any alerts before planning your visit. Pack accordingly for changing weather conditions, and be prepared to share the trails with fellow nature enthusiasts. With its unique geological formations, stunning waterfalls, and access to the Ansel Adams Wilderness, Devils Postpile National Monument is a destination that will leave you in awe of the natural world. The monument's relatively small size, encompassing just 800 acres, belies its rich natural and recreational values. Within this compact area, visitors can witness a rare geological phenomenon, hike to a spectacular waterfall, explore pristine wilderness, and connect with the natural world. The monument's location near Mammoth Lakes, a popular mountain resort town, makes it easily accessible and provides a range of amenities for visitors. Devils Postpile National Monument is more than just a collection of rocks and a waterfall; it's a place where the forces of nature have converged to create a truly unique and unforgettable landscape. It's a place where you can marvel at the power of volcanoes and glaciers, hike through pristine wilderness, and connect with the beauty of the Sierra Nevada. It's a place that will leave you with a sense of wonder and appreciation for the natural world.

Iconic landmarks you can’t miss

Mammoth Mountain Statue

6.0 km

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Shelter Distilling

9.8 km

Discover Shelter Distilling in Mammoth Lakes - a unique blend of handcrafted spirits and delicious tapas in a breathtaking mountain setting.

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Ansel Adams Wilderness

22.2 km

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Sierra National Forest

32.6 km

Discover breathtaking mountain scenery and abundant natural resources in the Sierra National Forest, a year-round outdoor paradise in the heart of California's Sierra Nevada.

Vernal Falls Footbridge

42.6 km

Hike the iconic Mist Trail to Vernal Fall Footbridge for breathtaking views of Yosemite's powerful waterfall and stunning granite landscape.

Curry Village

44.7 km

Experience Yosemite Valley's charm at Curry Village: lodging, dining, activities, and stunning views beneath Glacier Point.

The Ahwahnee

45.2 km

Experience Yosemite's grandeur at the Ahwahnee Hotel, a historic landmark offering luxury, stunning views, and a connection to the park's natural beauty.

Sentinel Dome

45.3 km

Hike to Yosemite's Sentinel Dome for panoramic views of Half Dome, El Capitan, and iconic landmarks. An unforgettable vista awaits!

Yosemite Conservation Heritage Center

45.4 km

Discover Yosemite's past and the Sierra Club's legacy at this historic landmark, offering exhibits, a library, and conservation insights.

Housekeeping Camp

45.5 km

Experience Yosemite's beauty with a touch of comfort at Housekeeping Camp, offering rustic lodging and stunning views in the heart of Yosemite Valley.

Yosemite Valley Welcome Center

46.1 km

Start your Yosemite adventure at the Welcome Center: expert advice, maps, and resources for exploring this iconic national park.

Yosemite Wilderness Center

46.3 km

Your first stop for Yosemite wilderness adventures: permits, maps, and expert advice in the heart of Tuolumne Meadows.

The Ansel Adams Gallery

46.4 km

Experience the timeless beauty of Yosemite through the lens of Ansel Adams at his family's historic gallery in Yosemite Valley.

Sentinel Bridge

46.4 km

Capture the iconic view of Half Dome mirrored in the Merced River from this easily accessible and breathtaking Yosemite Valley landmark.

Unmissable attractions to see

Rainbow Falls

1.6 km

Experience the magic of Rainbow Falls in Mammoth Lakes: a stunning waterfall where vibrant rainbows meet the rugged beauty of the Sierra Nevada wilderness.

Devil’s Postpile Scenic Route

1.9 km

Discover a geological wonder in the heart of the Sierra Nevada: Explore the unique basalt columns of Devils Postpile and the stunning Rainbow Falls near Mammoth Lakes.

Minaret Falls Campground

2.7 km

Escape to Minaret Falls Campground in Reds Meadow Valley for a rustic Sierra Nevada camping experience, surrounded by stunning scenery and outdoor adventures.

Upper Panorama Gondola Building

5.1 km

Ascend to the summit of Mammoth Mountain via the Upper Panorama Gondola for breathtaking views, mountaintop dining, and a unique high-altitude experience in the Sierra Nevada.

Mammoth Mountain

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Minaret Vista

5.1 km

Experience breathtaking panoramic views of the Ansel Adams Wilderness and the iconic Minarets from this easily accessible vista point, a must-see destination near Mammoth Lakes.

Lakes Basin Path / Horseshoe Lake Trailhead

5.9 km

Discover Horseshoe Lake in Mammoth Lakes: An accessible alpine paradise with stunning views, easy trails, and a unique geological story, perfect for hiking, biking, and family fun.

Lakes Basin Path / Horseshoe Lake Trailhead

Adventure Center

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Mammoth Mountain Ski Area

6.0 km

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Horseshoe Lake

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Sierra Nevada Mountains

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Hole in the Wall

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Twin Falls Overlook

6.8 km

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Twin Lakes Campground

6.8 km

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Crystal Lake Trailhead

6.9 km

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Essential bars & hidden hideouts

Steeps Bar

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Dry Creek Bar

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Tusks Bar

5.9 km

Experience the vibrant atmosphere of Tusks Bar in Mammoth Lakes, where live music and sports create an unforgettable experience.

Basin Bar

6.2 km

Unwind at Basin Bar in Mammoth Lakes, where friendly vibes and local brews blend seamlessly for an unforgettable après-adventure experience.

Grizzly Bar

8.2 km

Experience the warmth and charm of Grizzly Bar, a cozy destination in Mammoth Lakes offering delicious American cuisine and refreshing drinks.

Side Door Wine Bar & Cafe

9.8 km

Discover the perfect blend of exquisite wines and delightful cuisine at Side Door Wine Bar & Cafe in Mammoth Lakes, California.

Mammoth Brewing Company

9.9 km

Experience the best of Mammoth Lakes at Mammoth Brewing Company, where craft beer meets breathtaking scenery and great food.

Clocktower Cellar

9.9 km

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Salsa's

10.2 km

Experience the vibrant nightlife at Salsa's in Mammoth Lakes, offering a fantastic drink selection and lively atmosphere amidst breathtaking mountain views.

Liberty Sports Bar and Grill

10.7 km

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Black Velvet Coffee Roaster | Espresso & Wine Bar

10.8 km

Discover Black Velvet Coffee Roaster, a delightful espresso bar in Mammoth Lakes offering artisanal coffees and exquisite wines in a cozy atmosphere.

Black Velvet Coffee Roaster | Espresso & Wine Bar

The Shed | Wine & Charcuterie

10.9 km

Experience the perfect blend of exquisite wines and artisanal charcuterie at The Shed | Wine & Charcuterie in Mammoth Lakes, CA.

Distant Brewing

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Bevi Bene

11.0 km

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Mammoth Rock 'N' Bowl

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Devils Postpile National Monument: A Geological Wonder

A brief summary to Devils Postpile National Monument

Local tips

Getting There

Shuttle Bus

Driving

Unlock the Best of Devils Postpile National Monument

Buy tickets

Book tours with entry

Book tours without entry

Discover more about Devils Postpile National Monument

Iconic landmarks you can’t miss

Mammoth Mountain Statue

Shelter Distilling

Mammoth Lakes, CA 93546

Ansel Adams Wilderness

Sierra National Forest

Vernal Falls Footbridge

Curry Village

The Ahwahnee

Sentinel Dome

Yosemite Conservation Heritage Center

Housekeeping Camp

Yosemite Valley Welcome Center

Yosemite Wilderness Center

The Ansel Adams Gallery

Sentinel Bridge

Unmissable attractions to see

Rainbow Falls

Devil’s Postpile Scenic Route

Minaret Falls Campground

Upper Panorama Gondola Building

Mammoth Mountain

Minaret Vista

Lakes Basin Path / Horseshoe Lake Trailhead

Adventure Center

Mammoth Mountain Ski Area

Horseshoe Lake

Sierra Nevada Mountains

Hole in the Wall

Twin Falls Overlook

Twin Lakes Campground

Crystal Lake Trailhead

Essential places to dine

The Outpost

McCoy Station

Mountainside Bar & Grill

The Yodler Restaurant & Bar

The Mill

The Lakefront Restaurant

Austria Hof Restaurant

Fowl Language

Whitebark Restaurant & Lounge In The Westin Hotel

Smokeyard BBQ and Chop Shop

Lakanuki

Toomey's

Mammoth Pizza Co & Slice Bar

The Eatery at Mammoth Brewing Company

Burgers Restaurant

Markets, malls and hidden boutiques

Twin Lakes General Store

Mammoth Memories

Mammoth Sports - The Village

Mammoth Shirt Co.

Busy Beez General Store

The Village At Mammoth

McCoy's

CHATO boutique

Alpine Approach

Red Rooster Shopping Center

A-Frame Fine Wines & Spirits

ASCENT Cannabis Dispensary & Delivery Mammoth Lakes

La Tiendita

The Cactus & The Hawk

Summit 93546

Essential bars & hidden hideouts

Steeps Bar

Dry Creek Bar

Tusks Bar

Basin Bar