The Ultimate Guide to Saguaro National Park

And this winter, you can have it mostly to yourself

It’s almost cliché to say the Sonoran Desert looks like the background of a Wile E. Coyote cartoon. But hiking through forests of towering saguaro feels nothing short of cartoonish. These green giants with arms pointed in all directions look like they’re about to break into a musical number at any second.

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There is no symbol more emblematic of the American Southwest than the saguaro cactus (Carnegiea gigantea)—standing tall with arms reaching out from the trunk toward the sky. The saguaro (pronounced sah-WHAH-ro) is rare, found only in southern Arizona and western Sonora, Mexico. And if you want to spend the day with these goofy, prickly characters, Saguaro is one of the easiest national parks to visit.

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The saguaro is the largest cactus in North America. They may look like loving characters from a child’s storybook but these are some serious tree-like cacti. Saguaros are covered with protective spines, white flowers in the late spring, and red fruit in summer. They can weigh up to nearly 5,000 pounds and live up to 200 years.

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I’ve spent a lot of time looking for “the perfect specimen” and determined that there is a saguaro for everyone. Maybe you like the perfect-looking two-armed saguaro or the saguaro with many wrangled arms reaching out in all directions. These arms generally bend upward and can number over 25 although some never grow arms. Their differences make them fun to photograph, characterize, and admire. 

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Long overshadowed by Arizona’s marquee national park, the Grand Canyon, Saguaro is a 92,000-acre desert wonderland. And if you go anytime other than summer you’ll find it hits that perfect national park threesome of ideal weather, unusual landscape, and minimal crowds. 

Prime time in southern Arizona is spring or fall when daytime highs rarely get over a dry 90 degrees and the mornings are pleasantly cool. Winter is also fantastic if you want to hike during the day—morning and night can be chilly but nothing a light jacket can’t fix.

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You’ll find few parks as accessible from major cities as Saguaro which sits less than half an hour from Tucson. It’s separated into two sections, each of which can be easily tackled in a day: East (also called the Rincon Mountain District) and West (aka the Tucson Mountain District). In between are I-10 and the city of Tucson so getting here by interstate is pretty straightforward.

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While the two sides of the park bare the same name and share likeness in desert landscape, there are subtle differences. The Tucson Mountain District is home to dense saguaro forests that rise from the hillside. Here you will find low-desert grasslands, shrubs, and densely populated saguaro forests. The Rincon Mountain District is the area of parkland originally preserved by Herbert Hoover when he dedicated it as a monument in 1933. It is the jumping off point to the backcountry. Here you will find high-elevation conifer forests in addition to saguaros and desert mainstays such as Teddybear cholla cactus and desert wildflowers.

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Though the mountainous desert topography might look intimidating, Saguaro National Park is one of the easier national parks to hike. The crown jewel for hikers is the trek to Wasson Peak (4,687-feet) in the more-mountainous western section. There are several options for reaching the top of Wasson Peak. High Norris Trailhead is favored by many experienced hikers. The entire hike is about eight miles long. For something easier on the west side, take the 0.8-mile Valley View Trail which as the name suggests also boasts phenomenal views of the valley on a much shorter walk.

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A popular hike on the east side is the 1-mile Freeman Homestead Trail. Wander down this path to the site of an old homestead foundation, a grove of large saguaros, and a cool desert wash. Great horned owls can often be seen in the cliff above this wash. A more strenuous hike is the combined Garwood, Carrillo, and Wildhorse trails accessed from the Douglas Spring trail head. You’ll enter the kind of cactus forest that inspired the creation of this park in 1933. Little Wildhorse Tank is one of the only perennial areas of water in the park.

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If you prefer to see national parks from the air-conditioned comfort of your car, Saguaro makes that easy too. The most popular scenic drive is the Cactus Forest Loop in the east. The paved, one-way, 8-mile paved road with pull offs that overlook the valley offers the best scenery of any route in the park. On the west side, take the Bajada Loop Road which is 6 miles and partially unpaved.

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Backcountry camping is available by permit. There are about 20 campsites TOTAL, all of which are only accessible through backcountry hiking. There are no accommodations for RV camping in Saguaro. So unless you’re looking to rough it in the desert you’ll need a RV park for overnight camping and they are numerous in this snowbird hotspot.

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It is puzzling that Saguaro doesn’t get more love. But its relative obscurity is also a great strength—it’s a national park where you can still feel like you’re lost in nature without delving into the backcountry. Its unusual landscape and ideal weather combine to create the experience many look for during a winter getaway. And as a bonus, you just might feel like you’re walking around the cartoon set of a childhood memory.

This is a go-back park. I can’t wait to go back!

Saguaro National Park © Rex Vogel, all rights reserved

Fact Box

Size: 91,445 acres

Established: October 14, 1994

Location: Southeast Arizona on both the west—and east side of Tucson

How the park got its name: Saguaro National Park is named after the Saguaro cactus that rises from the desert floor.

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Iconic site in the park: The Saguaro cactus is the undisputed champion of the American southwest so it is only fitting that it should stand as the most iconic site in the park. They grow slowly, spouting their arms at around 75 years of age. They live long for a cactus, up to 200 years. They stand large—as high as 80 feet tall and weighing up to nearly 5,000 pounds. There are 1.6 million Saguaro cactus decorating the desert flat, ridges, and skyline—1.6 million reasons to visit this beautiful park near Tucson. 

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Did you know? 

The state flower of Arizona is the saguaro cactus bloom.

The saguaro cactus bares fibrous fruit that looks like small red flowers. It is said to be crunchy and taste sweet. 

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The Tohono O’odham Nation of American Indians lived in the region for thousands of years. Tohono O’odham translates to “Desert People.”

More than 1,162 species of plants can be found in the park.

Worth Pondering…

Stand tall.
Reach for the sky.
Be patient through dry spells.
Conserve your resources.
Think long term.
Wait for your time to bloom.
Stay sharp!

—Advice from a Saguaro

Reach for the Sky: Saguaro National Park

Saguaro National Park is more than just 6-ton gigantic cacti (though it has those, too)

Yearning to see towering, giant saguaros in their native environment? Saguaro National Park protects and preserves a giant saguaro cactus forest that stretches across the valley floor near Tucson, Arizona.

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Unique to the Sonoran Desert the park’s giant saguaro has a slow growth cycle and long lifespan. The cactus grows between 1 and 1.5 inches in the first eight years, flowers begin production at 35 years of age and branches, or arms, normally appear at 50 to 70 years of age. An adult saguaro is considered to be about 125 years of age and may weigh 6 tons or more and be as tall as 50 feet. A saguaro’s lifespan can be up to 250 years.

Saguaro National Park © Rex Vogel, all rights reserved

But the saguaro is merely the headliner for a roster of desert vegetation to be seen as you hike or drive through the park. You’ll also spot spiny ocotillo, huge clumps of prickly pear, and the tiny hedgehog and stubby barrel cactus, as well as spiky mesquite and palo verde trees.

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First designated as Saguaro National Monument in 1933, the area received national park status in 1994. It is also the ancestral home of the Tohono O’odham people who today continue to play a role in the park’s culture visiting every year in the early summer to pick saguaro fruit.

Saguaro National Park © Rex Vogel, all rights reserved

For many, the giant saguaro cactus silhouetted by the setting sun is the universal symbol of the American Southwest. And yet, these majestic plants are only found in a small portion of the U.S. Saguaro National Park protects some of the most impressive forests of these sub-tropical giants. Saguaro is actually two parks separated by a metropolis of 1 million residents: the Tucson Mountain District and the Rincon Mountain District. In 2018, the park drew 1,229,594 recreational visitors.

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Saguaro National Park is located within a desert but contrary to what you might expect there is an abundance of life. Plants here are adapted to drought, so during long dry periods they are able to go dormant conserving their water. At these times many plants appear lifeless but shortly after a rainfall they’re able to come to life sprouting new green leaves. Within just 48 hours after a rainfall, the ocotillo plant is able to change from what appeared to be a handful of dead sticks into a cheerful shrub with tall green branches, covered in new leaves.

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In addition to a broad expanse of desert, Saguaro National Park features mountainous regions. These varied landscapes provide ideal habitats for a wide range of flora and fauna. Current research indicates there are approximately 400 species in the Tucson Mountain District and approximately 1,200 species in the Rincon Mountain District.

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The Tucson Mountain District ranges from an elevation of 2,180 feet to 4,687 feet and contains two biotic communities—desert scrub and desert grassland. Average annual precipitation is approximately 10.27 inches. Common wildlife include Gambel’s quail, cactus wren, greater roadrunner, Gila woodpeckers, desert tortoise, and coyote.

Saguaro National Park © Rex Vogel, all rights reserved

The Rincon Mountain District of Saguaro National Park ranges from an elevation of 2,670 feet to 8,666 feet and contains six biotic communities. The biotic communities (starting from the lowest elevation) include desert scrub, desert grassland, oak woodland, pine-oak woodland, pine forest, and mixed conifer forest. Average annual precipitation is approximately 12.30 inches.

Saguaro National Park © Rex Vogel, all rights reserved

The Rincon Mountains peak at a considerably higher elevation than the Tucson Mountains, therefore there are more biotic communities and increased plant and wildlife diversity. Because of the higher elevation in the Rincons, animals like the black bear, Mexican spotted owl, Arizona mountain king snake, and white-tailed deer live in this district.

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While each season has its draw, spring, when the desert blooms with yellow, orange, and purple wildflowers, is hands-down its most beautiful and busiest time of year. Fall is similarly temperate and winter offers the chance to see the water flowing in the washes. Arizona’s merciless heat makes summer significantly less popular.

Saguaro National Park © Rex Vogel, all rights reserved

Worth Pondering…

Stand tall.
Reach for the sky.
Be patient through dry spells.
Conserve your resources.
Think long term.
Wait for your time to bloom.
Stay sharp!

—Advice from a Saguaro