5.0
(20)
195
hikers
15
hikes
Hiking in Ocotillo Wells State Vehicular Recreation Area offers routes through a vast desert landscape in Southern California. The region is characterized by sandy washes, narrow slot canyons, and rocky slopes. Trails lead to unique geological features, including areas known for fossilized reefs and sandstone concretions. This diverse terrain provides insights into the area's geological past.
Last updated: July 8, 2026
13.7km
03:32
40m
110m
Hike the moderate 8.5-mile Shell Reef Expressway OHV Trail in Ocotillo Wells State Vehicular Recreation Area to discover ancient fossilized
11.4km
03:29
230m
220m
The Calcite Mine and Palm Wash Loop offers a challenging desert hike, rated as difficult, that takes you through unique geological formations. You will cover 7.1 miles (11.4 km) and gain 761 feet (232 metres) in elevation, typically requiring about 3 hours and 28 minutes to complete. As you navigate the route, expect to encounter sandy washes and old jeep roads, leading you into twisting slot canyons. These canyons feature smooth, water-sculpted sandstone passages that create a distinct atmosphere. Keep an eye out for expansive desert vistas, including views of the Borrego Badlands and the striking Locomotive Rock formation.
Accessing the Calcite Mine and Palm Wash Loop requires some planning, especially regarding transportation. While the main access point from Highway S22 is suitable for all vehicles, reaching the closer trailhead parking often demands a high-clearance 4x4 vehicle. If you do not have a 4x4, be prepared to add up to 2 miles each way to your hike, extending your overall time on the trail. Navigation can be tricky because the path is not always clearly marked. Bringing a reliable navigation tool is highly recommended to stay on course throughout your adventure.
This route stands out in Anza-Borrego Desert State Park for its blend of natural beauty and historical significance. The trail's name comes from the historic mine site, where you can still find small, glistening calcite crystals. Exploring these geological features and the remnants of the past adds a fascinating layer to your desert hiking experience. It is a journey that combines the ruggedness of the desert with intriguing discoveries.

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5.0
(1)
4
hikers
8.04km
02:17
190m
190m
Hike the moderate Calcite Mine Trail in Anza-Borrego Desert State Park, exploring unique geology, slot canyons, and historical mine sites.
5.0
(1)
5
hikers
5.21km
01:30
130m
130m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(5)
31
hikers
7.56km
02:13
200m
200m
Embark on a moderate hiking adventure through The Slot, Borrego Mountain Wash, and West Butte Loop, a 4.7-mile (7.6 km) journey that typically takes around 2 hours and 12 minutes to complete. You'll gain 658 feet (201 metres) in elevation as you explore the diverse landscapes of Anza-Borrego Desert State Park. Begin by squeezing through the incredibly narrow siltstone passages of The Slot Canyon, a truly unique experience. After emerging from the canyon, the trail opens up, leading you through the sandy expanse of Borrego Mountain Wash. Finally, ascend towards West Butte, where you'll be rewarded with sweeping panoramic views of the surrounding desert.
When planning your visit, be aware that this route offers very little shade once you leave The Slot Canyon. This makes it particularly challenging and generally unsuitable for hiking during the hot summer months. Parking is usually available at the trailhead, but it's always wise to check current conditions before you head out. Consider starting early in the morning during cooler seasons to make the most of your hike.
This loop offers a fantastic cross-section of the Anza-Borrego Desert's unique geology and terrain. The Slot Canyon itself is a geological marvel, formed by water eroding soft siltstone over millennia, creating a natural labyrinth. Beyond the slot, the expansive views from West Butte provide a sense of the vastness of this desert environment, showcasing its rugged beauty and diverse ecosystems.
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If possible, avoid midday from May to October due to the heat.
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The trail to the summit winds through a ridge of shoulder-high rocky outcroppings that crown the summit of Borrego Mountain. From here you have panoramic views of the desert in every direction to the surrounding mountains, and the ridge of Borrego's East Butte stretches out across from you.
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This winding sandy road takes you throat the heart of the rolling desert mountainside below Borrego Butte. The wash connects you with most of the other trails in the park. Between the dramatic canyon bluffs and the expanse of the desert, this trail is a truly remarkable sight to behold.
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Super impressive! The colors are even more extreme towards the evening.
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Easy tour, visual highlight that reminds you a little of Antelope Canyon
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Most trails in Ocotillo Wells State Vehicular Recreation Area are multi-use, meaning you will likely share them with off-highway vehicles (OHVs). It's essential to stay aware of your surroundings. While there are no extensive hiking-only trail networks, you can explore many of the area's unique features on foot by following washes and established routes.
The ideal season for hiking in Ocotillo Wells is between October and May. During these months, the desert temperatures are cooler and more suitable for outdoor activities. Summer is extremely hot and hiking is not recommended.
Yes, dogs are generally permitted in the Ocotillo Wells SVRA, but they must be on a leash no longer than six feet and under your control at all times. Be aware of the hot ground which can burn a dog's paws, and always carry plenty of water for your pet.
You should wear lightweight, light-colored, loose-fitting clothing to protect you from the sun. A wide-brimmed hat and sunglasses are essential. Sturdy hiking boots are recommended to handle the sandy and rocky terrain. Always bring more water than you think you'll need, along with sunscreen and a map.
Yes, there are several easier hikes suitable for families. A good option is the Hiking loop from Calcite Mine Trailhead. This relatively short walk explores the fascinating landscape around the historic mine area. Always carry extra water for everyone in your group, especially children.
Yes, night hiking can be a great way to experience the desert and enjoy stargazing. The park is open 24/7 and the remote location offers dark skies. If you go, be sure to use a headlamp or flashlight, tell someone your route, and be extra cautious of the terrain and wildlife.
The area is famous for its geology. You can hike to the Pumpkin Patch to see surreal globe-like sandstone concretions, or explore Shell Reef, a four-million-year-old fossilized oyster reef. Other features include the Gas Domes, where gas bubbles rise through mud pots.
No, there are no fees for day use or camping within Ocotillo Wells SVRA, making it very accessible. You do not need a special permit just for hiking. For the most current park rules and alerts, you can check the official Ocotillo Wells SVRA website.
Komoot features over 10 curated hiking routes in and around the Ocotillo Wells area. These range from easy walks through sandy washes to more challenging treks into the badlands, with options for various fitness levels.
The region is highly rated by the komoot community, with an average score of 5.0 stars. Hikers often praise the unique desert landscapes, the sense of solitude, and the adventure of exploring geological wonders like slot canyons and fossil beds.
The most famous slot canyon in the vicinity is simply called 'The Slot'. It's a very popular and highly-rated hiking area. A great route to experience it is the Borrego Mountain Wash – The Slot Canyon loop from Calipatria, which takes you through the narrow siltstone canyon.
Yes, open camping is permitted throughout the park, and there are no fees. You can set up camp in many areas, allowing for easy access to hiking right from your campsite. Holmes Camp is a popular designated camping area with basic facilities that is well-regarded by visitors.


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