Lost Palms Oasis Trail

Overview

Lost Palms Oasis is a 7.5-mile round-trip, out-and-back hike from the Cottonwood Spring parking area in the park’s southeastern corner. Plan on roughly 4 hours, with about 500 feet of total gain spread across rolling ridges and sandy washes. The effort isn’t a single grind—it's the combination of distance, constant sun, and a steep, rocky climb out of the oasis that earns this one a moderate-to-challenging label.

What You’ll See

This is the Colorado (Sonoran) Desert side of the park—no Joshua trees here. Instead, you’ll traverse open desert, crossing sandy washes and low, rocky ridges before reaching a hidden canyon hosting the park’s largest stand of native California fan palms. Those palms are fed by groundwater seeping up through fault-fractured bedrock, a classic oasis setup in this region. The grove is a magnet for wildlife; patient hikers sometimes spot birds and, on lucky days, desert bighorn sheep. Spring can bring wildflower color to the washes.

Trail Experience

You’ll start in the lush Cottonwood Spring area, then quickly enter exposed terrain with little to no shade. The path is generally well signed, but expect short stretches where sandy washes can make the route less obvious—having a map or GPS track helps. The final approach reaches an overlook above the palms; descending to the oasis floor follows a rough, unmaintained use path with loose footing. If that feels sketchy, enjoy the view and turn around. Remember, the return has more uphill than you might expect, and that last climb out of the canyon is steep and hot.

Logistics and Tips

• Start early. Cooler temps and easier parking at Cottonwood Spring make a big difference.
• Bring plenty of water (think 2–3 liters per person), sun protection, sturdy footwear, and snacks. There is no potable water on the route, and oasis water is not safe to drink.
• No pets and no bikes on this trail. Day hiking requires no permit. Backcountry camping is not allowed along this trail corridor; if you want to camp nearby, use Cottonwood Campground.
• Confident and prepared hikers can add a short detour to Mastodon Peak on the way back for big views, but it does add distance and some steeper terrain.

Best Time to Hike

Fall, winter, and spring are prime. Summer heat and full exposure make this a risky choice—skip it unless conditions are unusually mild. Aim for an early morning start for cooler temps, fewer people, and better light on the ridges and palms. Midday sun is harsh for both hiking and photography.

Bottom Line

If you want a longer day hike that showcases the park’s quieter, Sonoran side and culminates in a dramatic palm oasis, this one delivers. It’s not a casual stroll—come prepared for sun, distance, and that punchy climb on the way out—but the oasis payoff and relative solitude are worth it.