Mountain Pass is an unincorporated community in San Bernardino County, California, United States. It lies at an altitude of 4,728 feet.

Geography

Mountain Pass is in the southeastern part of the state, close to the Nevada border. Latitude 35.470N, longitude -115.544W

Mine

The Mountain Pass Mine is a rare earth metal mine, principally valued for its deposits of Bastnaesite and consequently the metals that can be extracted from it, including:

• Cerium
• Lanthanum
• Europium (used for red light in TV screens)

References