The White Tank Mountains are my favourite hiking range in Arizona. Climbing the Waterfall Trail is a tradition for my family and me whenever we’re back in Phoenix, and it’s a trail I’ve trekked since I was a baby, hiking with my grandparents. Every stone and cactus here brings back good memories. But it isn’t only my nostalgia that makes this such a good trek for new hikers. For anyone who loves art, history and the landscapes that shape them, it’s a wonderful hike: an easy, enjoyable introduction to the flora and fauna of the Sonoran Desert, with a gallery of ancient petroglyphs pecked into the rocks along the way. It’s always the first recommendation I give to people visiting Phoenix for the first time, and I thought I should create an in-depth guide to the desert through this incredible walking trail.
The White Tank Mountains are a fascinating range of carved stone. The range itself rose through tectonic activity some 30 million years ago, but it was the huge flash floods, pouring down the canyons year after year, that scoured depressions, or “tanks,” into the white granite. One of these natural basins, in the northeast corner of the range, became an important water stop on the stagecoach route through the mountains in the mid to late 1800s, a lifeline for travellers on the long road to central Arizona. It appears on maps and journals from 1863 to 1895 and was named “the White Tank” for the bright white granite cliffs that surrounded the water. Sometime between 1898 and 1902, the cliff above the basin collapsed and buried it. The basin is gone, but the name remained.
The regional park covers nearly 30,000 acres, the largest in Maricopa County, and the range rises to over 4,000 feet at Barry Goldwater Peak (4,083 feet). Long before the stagecoaches, the Hohokam people made their home here. Archaeological evidence shows that at least eleven sites within the park were occupied between A.D. 500 and 1100, mostly in the larger canyons where water was easier to find, and the Hohokam built villages throughout the area.
Summer is HOT in Phoenix! Even before sunrise, a typical July morning sits in the mid-80s °F (about 29 °C), and by mid-morning the full-sun temperature can pass 100 °F (38 °C). I’d always advise against hiking in the middle of a Phoenix summer unless you’re a huge fan of the heat. Otherwise, as long as you stick to the beginning of the day, you can usually avoid the worst of it. Early morning also means you’ll have the desert to yourself. This trail is often busier in the afternoon, so if you want a peaceful walk, come early.
My favourite time to hike in Phoenix is springtime, when the desert flowers are blooming! Yes, there really are flowers in the desert. Wildflowers generally bloom in the Sonoran Desert from mid-March to late April, and if there has been a lot of rain that year, expect a huge burst of colour. This trail is the perfect way to get away from a busy week in the city, a welcome quiet interlude.
Timing: Come early for the quietest walk and the best chance of cool air. The waterfall runs only after rain, so check the forecast if it’s the main event for you.
Park hours: May 1 to October 31, 5 am to 9 pm daily. November 1 to April 30, 6 am to 8 pm daily.
Entry fee (2026): $10 USD per vehicle, or $5 USD on foot, by bike or on horseback. The vehicle fee rose from $7 on January 1, 2026.
Parking: After the entrance station, drive another 3.5 miles to the Waterfall Canyon parking lots, where you’ll also find picnic benches and washrooms.
Nature centre and library: Just past the entrance station. It’s open 8 am to 4 pm daily from November 1 to April 30, and 7 am to 2 pm Monday to Saturday (closed Sunday) from May 1 to October 31. Stop in to ask the rangers your pressing questions and to pick up a trail map.
Closures: The trailhead staging area that serves the Ford Canyon, Mesquite Canyon, Mule Deer and Maricopa trails is closed for construction until November 8, 2026. The Waterfall Trail isn’t on the list of affected trails, but check the park’s alerts page before you leave.
While the last portion of the path has stones and stairs to climb, the first half of the Waterfall Trail has been made wheelchair accessible. That first 0.5 mile is a hard-surfaced, barrier-free path, so mobility aids can be used, and the accessible stretch runs about 0.1 mile past Petroglyph Plaza. There are also benches along the way for anyone who needs a place to stop and rest. I love that this makes the trail open to so many people, as all easy trails should be where possible.
Dogs are allowed on the trail as long as they’re on a leash no longer than six feet and have a current dog licence. They aren’t permitted inside park buildings. Since the first half of the trail is flat and paved, dogs will find it easy to walk, but older or less nimble dogs may find the second half, with its rocks and steps, more difficult.
The Waterfall Trail is a fantastic beginner hike. It’s 0.9 miles each way, 1.8 miles round trip, with about 260 feet of elevation gain, and it could easily be done in about an hour if you didn’t stop along the way. But definitely stop and look around! That’s half the fun. The trail takes you through all the beautifully weird flora and fauna that Arizona has to offer, and cacti are abundant. If you’ve never seen the desert before, this is an amazing introduction to the cool varieties of cacti that grow in the Sonoran Desert!
Old staghorns slump on the sidelines as you walk. The staghorn cholla (Cylindropuntia versicolor) is one of those cacti that looks like it’s from an alien planet. Its thin branches crawl up from the ground, covered in thin spines. The name versicolor comes from the astonishing range of flower colours: yellow, bronze, orange, red, purple and every shade in between.
Barrel cacti poke their heads out of the rocks as you walk along the path. The Ferocactus, or more colloquially the barrel cactus, is one of the most commonly seen cacti in the Sonoran Desert. Fero means “fierce” or “wild,” and these are some of the most ominous-looking plants growing in the desert. In some species of barrel cactus, the spines are curved like fishhooks, which is pretty painful if you get stuck. Barrel cacti are one of my favourites when they bloom. Their orange-red and sometimes yellow flowers sit on top like a little crown.
The saguaro (Carnegiea gigantea) is often called the king of cacti! It has become the symbol of the Sonoran Desert and of Arizona itself. The cactus grows up out of the earth like a column and develops branches, often called arms. Some saguaros grow 20 or more arms over their lifetime. Saguaros are covered in large spines that protect the plant from animals, but even so, owls are often seen roosting in the trunks. In late spring, saguaros bloom with beautiful white flowers, said to smell like overripe melons. After they flower, they produce large red fruit, which is eaten by animals like cactus wrens, doves, bats, javelinas and coyotes.
The “teddy bear” cholla is one of the most interesting cacti along the edge of the trail. But don’t let that cute name fool you! These cacti are very dangerous! Officially called Cylindropuntia bigelovii, it’s best known for its furry appearance. The fur is actually a solid mass of thick spines that completely covers the stems. The form of the cactus looks almost like an animal, which led to the name “teddy bear.” But it’s also known as the “jumping teddy bear.” The jumping part is because if you even brush past it, the cholla’s spines will grab onto the fibres of your clothes and dig their way into your skin. Ouch! Not quite the cuddly plant it seems to be… but still so interesting to look at from afar.
While most of the animals that live in these mountains are nocturnal, there are some bits of wildlife you should keep an eye out for! Cactus wrens are among the most commonly seen birds, and if you’re lucky you might spot a roadrunner. My favourite things to spot are the multitudes of lizards and reptiles that crawl along the rocks and poke their heads out to warm themselves in the sun. Mule deer, coyotes, mountain lions and javelinas all live in these mountains, but sightings along the trail are RARE!
As you continue along the path, you’ll soon come upon one of the most interesting parts of the trail: the petroglyphs. Petroglyph Plaza holds the largest concentration of rock art in the park, a grouping of ancient images pecked into the stone. The White Tank Mountains are home to hundreds of petroglyphs, and some may date back thousands of years. Their exact meanings aren’t always known, but they’re believed to have recorded events, marked important places and reflected spiritual or ceremonial beliefs, and some may have served as trail markers or symbolic maps. Look closely, but please don’t touch: skin oils can damage the rock. Photography is encouraged.
After hiking for some time, you’ll reach the high point of the trail: the waterfall! Now, truthfully, most of the time when you get here there will be little more than a puddle of water in the basin. But after a good rain, a temporary waterfall appears, seemingly out of nowhere, falling from the sky. Rangers say winter rains tend to produce better waterfalls than the summer monsoon, whose storms pass so quickly that the falls come and go just as fast.
As you climb, the Sonoran Desert opens up around you. This is a wonderful place to stop and sit. Depending on the time of year, the landscape could be bursting with green or keeping its cool in golds and browns.
As you make your way back down, look at the sprawling desert, slowly disappearing as the city pops up in the distance. From above, the rugged mountains that surround the valley seem to cradle that precious little city in their palms, keeping it safe from the world outside.
But all good things must come to an end. As you drive back to city life, enjoy the view of the saguaros spread out across the valley, as if popping up to say goodbye!
That’s why this trail keeps drawing me back: an easy path, a gallery of ancient art and a desert that feels like home. Whether it’s your first hike or your fiftieth, I hope the White Tanks give you the same good memories they’ve given me.
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