Basalt Columns & Waterfalls at Devils Postpile National Monument
Adventure Destination

Basalt Columns & Waterfalls at Devils Postpile National Monument

Explore the easy 1.5-mile hike to Devils Postpile’s striking basalt columns near Mammoth Lakes, CA. Visit Rainbow Falls 5.5 miles away for waterfall views and swimming in summer. Best from July to September, this family-friendly spot offers scenic hiking and natural beauty.

Hiking8.7/10Easy
Photo Gallery

Category

Hiking

Typical Duration

2-4 hours

Difficulty

Easy

About This Adventure Destination

Devils Postpile National Monument is a remarkable geological site located near Mammoth Lakes, California, in the Eastern Sierra Nevada. This site stands out for its striking basalt columns, formed by the slow cooling and cracking of lava more than 100,000 years ago. Unlike typical rock formations, these columns create a dramatic, almost architectural pattern resembling giant stone pillars standing side by side. The monument’s unique hexagonal shapes and vertical cliffs make it an exceptional natural formation rarely found elsewhere.

This protected area is also known for its lush alpine environment, featuring a mix of pine and fir trees that surround the dramatic rock faces. Nearby, visitors can experience the impressive Rainbow Falls, a waterfall on the Middle Fork of the San Joaquin River, famed for creating vivid rainbows through its mist. The area offers both geological fascination and a serene, forested setting that appeals to nature lovers.

The monument was officially established in 1911 to preserve these unusual volcanic formations and continues to attract outdoor enthusiasts and geology fans alike. The combination of accessible hiking trails, diverse wildlife, and the chance to witness this distinctive basalt formation makes it a memorable destination in the Sierra Nevada region.

Visiting Devils Postpile invites a fascinating glimpse into volcanic history framed by refreshing mountain scenery, setting it apart as a natural wonder in California’s high country.

Editorial Assessment

Devils Postpile National Monument is a standout natural geological formation with its rare basalt columns and scenic surroundings that attract visitors interested in both geology and outdoor activities. While unique and visually impressive, its relative accessibility and moderate size keep it just below the threshold of the world’s most iconic natural landmarks. It offers excellent hiking and waterfall experiences but doesn’t reach the global renown of top-tier natural wonders.

Basalt Columns & Waterfalls at Devils Postpile National Monument

Adventure Guide to Basalt Columns & Waterfalls at Devils Postpile National Monument

1

Experience Basalt Columns & Waterfalls at Devils Postpile National Monument

  • Special Features: Explore the easy 1.5-mile hike to Devils Postpile’s striking basalt columns near Mammoth Lakes, CA. Visit Rainbow Falls 5.5 miles away for waterfall views and swimming in summer. Best from July to September, this family-friendly spot offers scenic hiking and natural beauty.
  • Visitor Tips: Best time to visit is during Summer. Bring adequate water, appropriate outdoor gear, and camera.
  • Directions: Devils Postpile Road, Mammoth Lakes, CA 93546, USA
2

Exploring Near Mammoth Lakes, California

  • Local Insights: Offers direct access to top trails, protected natural reserves, and picturesque viewpoints across Mammoth Lakes, California.
  • Visitor Tips: Check local regulations, trail conditions, and weather before heading out.
3

Photography and Wildlife

  • Special Highlights: Watch for native wildlife including Mule Deer, Black Bear, Birds.
  • Visitor Tips: Arrive in early morning or late afternoon for the softest lighting and quieter trails.

Reviews

R
Ruben Ein the last week

For me, as far as Hiking is concerned, DevilsPostpile is the jewel of Mammoth Lakes. Lots of Hiking available during most of the season. A bit more difficult during wintertime, and nearby fires that both cut off your view and affects those with breathing problems. Be safe and remember your Hiking abilities and equipment.

G
Gaurav Sumanth Abburiin the last week

Great destination! Enjoyed the open trail and peaceful outdoor atmosphere.

S
Stefan Lazarevicin the last week

Beautiful waterfall at the end of the trail.

J
Jissel Jimenezin the last week

Such a beautiful and easy hike to do! Definitely recommend going all the way around and seeing everything on the way. Easy for any one of all ages and even dog friendly!

T
Trail & Tablein the last week

Devils Postpile National Monument was one of the most unique and memorable places we visited near Mammoth Lakes. It’s an incredible natural formation and definitely worth adding to your Mammoth Lakes itinerary. The main attraction is the Devils Postpile, a spectacular wall of basalt columns formed by volcanic activity and natural cooling. The columns are remarkably uniform and closely packed together, creating an almost man-made appearance. Seeing the formation in person really gives you an appreciation for how powerful natural geological processes can be. The hike to the Postpile was enjoyable and surrounded by beautiful Sierra Nevada scenery. The trail takes you through a peaceful forest with tall pine trees, mountain views, and the sounds of nature along the way. It’s a very different experience from simply driving to a viewpoint—you get to actually walk through the landscape and experience the area. The basalt columns themselves are amazing to see up close. The shapes, patterns, and different heights of the columns make the formation fascinating, and the scale is much more impressive when you’re standing right next to it. The top of the formation is especially interesting because you can see the distinctive polygonal patterns created as the rock cooled. We visited with family and found it to be a great outdoor experience. Kids can enjoy the hike and exploring the unusual rock formation, while adults can appreciate the geology and scenery. It’s a nice combination of education, adventure, and nature without requiring an extremely long outing. The surrounding area is equally beautiful. The forest, mountains, and nearby San Joaquin River make the entire area feel peaceful and untouched. If you have enough time, there are additional trails and viewpoints in the surrounding area, so you can make the visit as short or as adventurous as you want. One thing to keep in mind is that access can be seasonal and transportation arrangements can vary, so it’s important to check current conditions before visiting. The elevation is also significant, so taking your time and staying hydrated is a good idea, especially if you’re not accustomed to mountain elevations. Overall, Devils Postpile is a must-see attraction around Mammoth Lakes. The combination of unusual geology, beautiful hiking trails, towering trees, and mountain scenery makes it unlike many other places in the area.

Nearby Adventures

Bookable Experiences

First Strokes: Mastering Paddleboard Basics on Raymond’s Flat Water37.3 mi
Raymond, California

First Strokes: Mastering Paddleboard Basics on Raymond’s Flat Water

A focused 3-hour, on-the-water lesson that teaches paddling technique, safety and rescue skills while letting you try different paddlecraft—this guide distills what to expect and how to prepare.

37.3 miView Trips & Details →
Cabin 11 at Rock Creek Lodge — A Spacious, Wood‑Heated Mountain Retreat in Mammoth Lakes6.73 mi
Mammoth Lakes, California

Cabin 11 at Rock Creek Lodge — A Spacious, Wood‑Heated Mountain Retreat in Mammoth Lakes

A three‑night minimum stay in a large mountain cabin that sleeps up to eight; this guide lays out the cabin’s layout, amenities, and practical details for planning a multi‑person getaway.

6.73 miView Trips & Details →
Fireside Comfort in the Eastern Sierra: Cabin 3 at Rock Creek Lodge6.73 mi
Mammoth Lakes, California

Fireside Comfort in the Eastern Sierra: Cabin 3 at Rock Creek Lodge

A practical guide to Cabin 3 — a large, modern three‑bedroom rental in Mammoth Lakes that sleeps up to six, features a full kitchen and faux‑wood fireplace, and accepts pets.

6.73 miView Trips & Details →
Cabin 2, Mammoth Lakes — a small mountain cabin with a wood‑burning stove and full kitchen6.73 mi
Mammoth Lakes, California

Cabin 2, Mammoth Lakes — a small mountain cabin with a wood‑burning stove and full kitchen

A compact two‑room retreat at Rock Creek Lodge that sleeps up to four, offers a full kitchen and wood‑stove heat, and accepts pets—this guide lays out the practical facts you need to plan a stay.

6.73 miView Trips & Details →
Under Yosemite’s Clear Mountain Sky: A 90‑Minute Naturalist‑Led Stargazing28.6 mi
Yosemite Valley, California

Under Yosemite’s Clear Mountain Sky: A 90‑Minute Naturalist‑Led Stargazing

A 1.5‑hour evening in Yosemite Valley led by a Yosemite naturalist that guides visitors of all ages to constellations and celestial sights.

28.6 miView Trips & Details →
Red Peak Pass: Crossing Yosemite’s Clark Range on a Solitary High‑Sierra Loop14.6 mi
Yosemite National Park, California

Red Peak Pass: Crossing Yosemite’s Clark Range on a Solitary High‑Sierra Loop

A 6‑day, 51‑mile backpacking loop operated by Discovery Treks that climbs to Red Peak Pass—above 11,000 feet—and threads rarely visited meadows and alpine lakes.

14.6 miView Trips & Details →