[1] The southern end of the range extends into Riverside County north of Granite Pass.

[2] The range is bordered on the east by Ward Valley with the Turtle Mountains beyond.

[2] The Iron Mountain Pump Plant sits adjacent to the east side of the range and the Colorado River Aqueduct traverses the range through the Iron Mountain Tunnel.

[2] During World War II, from 1942 to 1944, near the Iron Mountains the US Army built Camp Iron Mountain to train troops and prepare them to do battle in North Africa to fight the Nazis.

At Camp Iron Mountain were stationed the 2nd Armored Division under General George S. Patton.