Trigo Mountains
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| Trigo Mountains | |
|---|---|
 A single Buckhorn Cholla-(2 meters), Creosote bushes-(Larrea tridentata), and two green Desert Ironwood trees-(Olneya tesota), North Trigo Peaks in the distance. | |
| Highest point | |
| Peak | Coyote Peak |
| Elevation | 2,808 ft (856 m) |
| Geography | |
  Trigo Mountains | |
| Country | United States |
| State | Arizona |
| Range coordinates | 33°18′17″N 114°32′50″W / 33.3047552°N 114.5471753°W |
The Trigo Mountains are a north-south trending mountain range in La Paz County, Arizona, bordering the Colorado River on the east in the Lower Colorado River Valley. The range lies north of the Colorado River as it turns east, north of Martinez Lake and the Imperial Reservoir. The Trigo Mountains are on a north-south stretch of the Colorado River, and form the eastern perimeter of the Imperial National Wildlife Refuge.
Parts of the Trigo Mountains are included in the Trigo Mountains Wilderness and the Yuma Proving Ground.
The Trigo Mountains are north-south trending with the northern and central range arcing to the northeast. The curving range parallels the similar-(half the size) curving range to the southeast, the Chocolate Mountains, and the arc-curving ranges would be presumed to be a resultant of the same time-framed thrust-faulting event during the formation of the Basin and Range Province.
The highest peak of the Trigos is Mohave Peak at 2,771 feet (845 m) in the southeast, isolated from the main trend of the range. The largest peak that terminates the mountain range in the north is unnamed, at 2,170 feet (661 m) as part of the North Trigo Peaks.