
History
Originally a network of small trails connecting waterholes, campsites, hunting grounds and shrines used by the Pinacatenos and Arenenos people, both clans of the Papago tribe.
1540
Captain Melchior Diaz leads a detachment of the Coronado Expedition through the area in route to California.
1698-1702
Jesuit Padre Eusebio Kino roams the area to spread the word of God and find a route to the Pacific. He's thought to be the first to explore and map the trail documenting the major waterholes. His companion, Lieutenant Juan Mateo Manje, wrote accounts of the people and places along El Camino.
Spanish clergy and military use El Camino as a route to the missions and stations in California, notably Fray Francisco Garces (1771, 1779-1781), Juan Bautista De Anza (1774-1776), and Pedro Fages (1781-1782).
1781
Yuma Indian uprising at the Colorado River Crossing. Travel on El Camino dwindles.
1849
Thousands travel to California in response to the finding of Gold at Sutter's Mill.
1853
Area part of the land bought in the Gadsden Purchase. American and Mexican boundary surveyors map and catalogue the land.
1860's
Second wave of miners heading to find placer gold in the Colorado River. Graves of unfortunate travellers and the bones of animals litter the highway. The trail's grim name possibly evolves from this time.
1870
Railroad reaches Yuma and travel on the El Camino dwindles. The trail never regains its status as a major migration route.
1891-1896
Noted scientists arrive to study the area (W.J. McGee, William T. Hornaday, Karl Lumholtz, and Forrest Shreve.) By then the El Camino Del Diablo is considered a lightly travelled country road marked with frequent milestones of solitary graves.
1939
The heart of El Camino becomes part of the Cabeza Prieta National Wildlife Refuge, established to protect desert wildlife.
1978
Listed on the National Register of Historical Places.
Obtaining Permits
Cabeza Prieta National Wildlife Refuge
1611 N 2nd Ave
Ajo, AZ 85321
(520)387-5226
Bureau of Land Management
Phoenix Field Office
2015 W Deer Valley Road
Phoenix, AZ 85027
(602)580-5500
Bureau of Land Management
Yuma Field Office
2555 Gila Ridge Road
Yuma, AZ 85365
(520)317-3200
Marine Corps Air Station Range Management Office
Yuma, AZ 85369
(520)341-3402
Luke Air Force Base
Gila Bend Aux Field
Range Operations
Gila Bend, AZ 85337
(520)683-6272
It's possible to receive your permit through the mail. Make sure to include a self-addressed stamped envelope and only mail it to the Cabeza Prieta National Wildlife Refuge (address above).
Renting A 4WD Vehicle
Sedona Jeep Rentals
Starting at $59.95
(520)282-2227
1-800-879-JEEP
Open 7 days a week
Located at the Sedona Airport Main Terminal
Arizona Jeep Rentals
(520)674-8469
Located in the lobby of the Pointe Hilton at Squaw Peak
Just in Case...
...you happen to go register at the Cabeza Prieta National Wildlife Refuge office and it's closed for the day...drive south and spend the night in Organ Pipe Cactus National Monument.
The visitor's centre has a washroom and there's a nearby camping area. The Park itself, although touristy, is worth a visit. Some spectacular desert vistas!
The Author: Peter Klose
Any time I travel I like to get a better understanding of the people and culture. Exploring off the beaten path I like to document and research cemeteries and burial sites. Each epitaph is a page of history in the development of a society and nation.
Past Endeavours
Other hobbies include rock climbing, spelunking, and technical diving...much of which has been put on hold since being domesticated (married with kids!).
I work at Jungle Cat World as the curator and am currently focusing my efforts on protecting the critically endangered Amur Leopard.
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El Camino Del Diablo, Arizona - February 2000
By Peter Klose
Historically starting at Caborca, Sonora in Mexico, the 250 mile trip linked the northern frontier of Mexico and the Spanish settlements in California. The most desolate stretch of this highway still exists, as much as it was, between Las Playas and Tinajas Altas. Historians estimate as many as 400 souls perished of thirst on this route during the 1850's goldrush. The name El Camino Del Diablo...the Devil's Highway, was adopted around that time.
A stone cairn in the heart of the Devil's Highway marking the grave of Nameer, an unfortunate traveller who perished in 1871.
"Its course was marked by the pitiful milestones of solitary graves, each with its cruciform heap
of pebbles."
- W.J. McGee, 1905.
Getting There
A significant part of this historical trail runs through the Cabeza Prieta National Wildlife Refuge and the Barry M. Goldwater Air Force Range (there is also a short jaunt through Organ Pipe Cactus National Monument).
From Phoenix:
Take I-10 west to exit 112, follow Highway 85 south to Gila Bend, continue south on 85 approximately 40 miles to Ajo.
From Tucson:
Take Highway 86 (Ajo Way) west across the Tohono O'odham reservation to Why, follow Highway 85 north to Ajo.
From Yuma:
Take I-8 east to Gila Bend, follow Highway 85 south approximately 40 miles to Ajo. The refuge office is on the west side of the highway at the north end of town.
Click here for a map of the entire region (page will open into a new window).
Permit Information
Each visitor is required to apply for a permit (free of charge) which takes about 15 minutes. You must divulge most of your personal information and sign an "Acknowledgement of Danger: Release and Hold Harmless Agreement".
The Officers at the small Cabeza Prieta National Wildlife Refuge Centre make sure that you are fully informed and aware of the potential dangers, such as (quotes from the Agreement):
"...old mine shafts and other openings and weaknesses in the earth..."
"...few road signs and navigational aids..."
"..."one of the most extreme environments in North America...rugged landscape, high temperatures, remoteness, and other threats as venomous reptiles."
"...no sources of safe drinking water."
"...no services. If I get lost, if my vehicle breaks down, or in the case of an emergency, I AM ON MY OWN. I will bear the full cost of all search and rescue activities resulting from my actions..."
"...contains the danger of property damage and permanent, painful, disabling, and disfiguring injury or death due to high explosive detonations from falling objects such as aircraft, aerial targets, live ammunition, missiles, bombs, etc."
"...the presence of expended, but still live bombs, rockets, cannon rounds, flares, and other types of warheads. These munitions can still explode though they have lain in the desert for decades."
And one final warning: "Due to the proximity of the border, illegal alien and drug smuggling activities may occur."

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The bullet holes in the sign are a great reminder that Mother Nature isn't the only threat to life and limb.
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Special Regulations
Only four-wheel-drive vehicles are permitted although we rarely encountered anything that required off-road capabilities. I remember only once engaging the four-wheel-drive for some deep, loose sand.
The San Cristobal Wash and Las Playas are two areas of the trail which may be subject to temporary closing due to rain. It is strictly forbidden to circumvent any impassable areas because of flooding, mud, or lawful closure as vehicles are restricted to designated routes.
For camping/parking purposes vehicles may stray to a maximum of 50 feet from authorized routes. Camping is limited to 14 days within a 28-day period. Only charcoal fires and propane stoves are permitted in order to protect scarce desert wood. Hiking is permitted.
The Trek
The trip through this section of the El Camino Del Diablo (between Ajo and Tacna/Wellton) is about 125 miles through the continent's largest expanse of virgin Sonoran Desert.
One of the first stops is about 17 miles in at Bates Well, an abandoned homestead that marks tribute to the last of the ranching in the area. Bates apparently had more problems with the Park Services and authorities than with with harsh environment. Something to do with cattle not respecting borders and desert conservation programs.
The home is still there with some sheds and old farming debris scattered around. The old windmill still turns solemnly in the breeze, once the source of life-giving water.
Papago Well is the first of three designated campsites recommended by the Park Service for camping, about 40 miles from Ajo. There are NO sources of safe drinking water - make sure to have your own!
The scenery changes soon after, from the Teddy Bear Chollas, Organ Pipe Cactus, and Ocotillo to an almost lunar landscape - the rocky Pinacate lava flow.
Keep an eye out for a cairn on the south side that marks the death of an early traveller, Nameer. This stretch runs closely parallel to the border of Mexico. It's here we had the chance to see a group of Mexicans in the distance, burdened by jugs of water, cautiously making their way across the desert. We're later told by border patrol (busy place!) that they illegally cross the border to find work in the U.S. and then return to Mexico months later. Many, however, die of exposure in the desert and mountains before reaching the I-8 highway.
The Pinta Sands, 60 miles from Ajo, begins to challenge the off-road vehicle with deep loose sand. We spent the night here and made an attempt to park the Jeep in an inconspicuous place to avoid any late night visitors - we
were told the Mexicans are generally harmless and friendly but to avoid them nonetheless.

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The junction at Tule Well
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Tule Well, just a couple miles further, is the suggested camping area. Here there is a small one room building that was built by the military engineers in 1989. Inside is a small fireplace, jugs of water, small foam mattress, and other little knick-knacks that have been left by travellers. Be sure to fill out the guest book! Though available for overnight use there's so much more to gain by sleeping beneath the beauty of the Desert sky.
Tule Well is also a junction - one road leads West to Wellton and the other North to Tacna. We decided to drive north passing the third designated camping area, Christmas Pass. The desert seems to stretch endlessly and the trek becomes slightly monotonous.
About 16 miles from Tule Well, the NW boundary of the park is reached and you enter into the Barry M. Goldwater Air Force Range. From here the desert isolation becomes interrupted by either Border Patrol or the U.S. military. Having never witnessed such intensive military training it was fascinating to see tanks and Hummers with missile launchers drive by. We were fortunate enough not to become part of a live-fire exercise!
Summary
The El Camino Del Diablo was not nearly as tough and adventurous as we
anticipated. Obviously the greatest risk is not being fully prepared. Mostly the trail's intrigue is in its history. It is, however, a worthwhile trip for casual desert travelling or hiking excursions into the mountains. And if you're lucky enough you'll be able to catch a glimpse of the endangered Sonoran pronghorn!
Questions?
If you want more information about this area you can email the author or check out our North America Insiders page.
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