The Ehrenberg Cibola Road runs between Interstate 10 and the tiny hamlet of Cibola. Mostly on BLM land, the trail does dip into the boundaries of the Yuma Proving Grounds twice. Permission is not required to drive through these two areas. However, you must remain on the roadway since the area has not been fully cleared of unexploded ordinance. The affected areas are well-signed.
The trail alternates between smooth graded sections and rock-strewn sandy washes. Due to the deep sand, 4WD is recommended. The rocks are sharp, so good tires are required.
Outside the Proving Ground areas are plenty of large campsites with good views of the Trigo Mountains. The trail's north end has hundreds of campsites with easy access to Interstate 10.