As the monument is on the U.S.-Mexico border, the backcountry portions of the park are currently closed due to illegal cross-border activities.
The neartest major airports are in Phoenix and Tucson.
As mentioned above, the monument is on the U.S.-Mexico border. Due to the remoteness of the monument, it is used for illegal border crossings. Most of the persons illegally crossing present no threat to park visitors. However, there are some who use the monument for smuggling who are armed and dangerous. In 2002, a park ranger was shot and killed by a drug smuggler. The Kris Eggle Visitor Center has been named in his honor.
Visitors should be aware of their surroundings and report suspicious activities to park rangers or border patrol officers.
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