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Hidden Gem

Sunset Crater Volcano National Monument

Forest Service Rd 776

Flagstaff, AZ

A black cinder cone rimmed in rust and gold, the youngest volcano on the Colorado Plateau and the last to erupt in Arizona.

Sunset Crater is the youngest volcano on the Colorado Plateau and the last one to erupt in Arizona, a nearly perfect black cinder cone standing about a thousand feet above the surrounding pine forest near Flagstaff. Sometime around the year 1085, and by tradition later than that, the ground here split open and threw up a fountain of glowing cinders and rivers of lava, building the cone in a matter of months and reshaping the landscape for miles. In geologic terms it happened only yesterday.

The volcano earns its name from the colors on its rim, where oxidized cinders in shades of red, orange, and yellow glow above the black lower slopes, so that even in shadow the crown of the mountain looks lit by a sunset. Around its base spread jagged fields of hardened lava and a strange, moon-like plain of cinders, slowly being reclaimed by ponderosa pines that rise straight out of the black ground.

What Guests Love

  • Walking the Lava Flow Trail across black, jagged lava at the foot of the cone
  • The volcano's rim glowing red and gold, the colors that gave it its name
  • The strange contrast of green pines growing straight out of black cinders
  • The nearby San Francisco Peaks and the drive on to the Wupatki pueblos

Worth Knowing

  • You can no longer climb the crater itself, since the loose cinders were eroding badly, so enjoy it from the trails at its base
  • The lava rock is sharp and uneven, so wear sturdy shoes and watch your footing
  • It sits at high elevation and can be cold, windy, or snowy, so bring layers even in warmer months
  • Stay on marked trails, since the cinder slopes and lava beds are fragile and slow to recover

Details

AddressForest Service Rd 776
Flagstaff, AZ
Websitenps.govLink opens in a new tab.

Learn about Sunset Crater Volcano National Monument

The eruption people witnessed

The eruption of Sunset Crater was witnessed by people. Ancestral Puebloan and other Native farming families were living and growing crops across this country when the ground tore open, and they saw their fields buried under cinders and their world transformed by fire. The nearby Hopi, the Navajo, the Zuni, and other Native nations of the region carry oral traditions and connections to this landscape, and Sunset Crater remains a place of deep cultural meaning to them.

In the years that followed, the eruption changed how people farmed. A layer of volcanic cinders spread across the land acted like a mulch, holding moisture in the soil, and in some places this may have made once-marginal ground newly productive. Many families resettled the surrounding country in the generations after the eruption, building the pueblos preserved today at Wupatki just to the north, so the same volcano that destroyed homes also, in time, helped shape new ones.

How the cone was built

Sunset Crater is a cinder cone, the simplest and most common kind of volcano. When the eruption began, blobs of molten rock were flung high into the air, cooling as they fell into cinders and lightweight, glassy fragments that piled up around the vent into a steep, symmetrical cone. This kind of volcano tends to build fast and then fall quiet, which is why the cone rose so quickly and has not erupted since.

At the same time, rivers of lava oozed from vents at the base of the cone, spreading across the land in the black, broken flows you can walk beside today. The whole area is part of a vast volcanic field of hundreds of cones and craters that has been active across this corner of the plateau for millions of years, with Sunset Crater simply the most recent to fire. Geologists watch the region, though no eruption is expected any time soon.

Life returns to the cinders

One of the most striking things about Sunset Crater is watching life take hold in what looks like a wasteland. The black cinders and raw lava are slowly being colonized by hardy plants, and in the sheltered pockets between rocks, ponderosa pines, aspens, and wildflowers have found a foothold. In midsummer, patches of bright penstemon and other blooms stand out vividly against the dark ground.

The recovering land supports its share of wildlife too, from mule deer and elk moving through the pines to Abert's squirrels, jays, and other creatures of the high forest. The contrast of green life against black rock makes the whole place a living lesson in how the land heals after a volcano, a process that has been unfolding here for nearly a thousand years and still has far to go.

Season by season

Summer is the most comfortable time to visit, with warm days at this high elevation and the wildflowers blooming among the cinders. Afternoon monsoon storms can build quickly over the peaks, so morning visits are often best.

Fall brings crisp air and golden aspens on the nearby San Francisco Peaks, a beautiful time for the scenic drive. Winter is cold and often snowy, and while the black cone dusted in white is a dramatic sight, roads and trails can be icy or closed, so it pays to check conditions. Spring is cool and windy as the high country slowly warms out of winter.

Closest Boutels

The closest Boutel™ stays, so you can turn this stop into an overnight. Each is an independently owned, editorially selected place to stay.

Americana Motor Hotel

Honorable Mention

2650 E Route 66, Flagstaff, AZ

(928) 833-3060

12 miles away|Learn More ›

The Lodge on Route 66

Boutel

200 E Route 66, Williams, AZ

(928) 635-4534

39 miles away|Learn More ›

Earl's Rt 66 Motor Court

Honorable Mention

512 E 3rd St, Winslow, AZ

(928) 386-1210

51 miles away|Learn More ›

Things to Do Near Flagstaff

Wupatki National Monument

About 20 miles north

Red-stone ancestral pueblos on the open plateau, connected to Sunset Crater by a scenic loop road.

Flagstaff

About 20 miles southwest

A high pine-forest town with a historic Route 66 downtown, mountain air, and dark night skies.

San Francisco Peaks

Just west

The highest mountains in Arizona, sacred to many tribes, with alpine trails and winter skiing.

Walnut Canyon National Monument

About 30 miles south

Cliff dwellings tucked into the ledges of a deep limestone canyon carved by Walnut Creek.