Eagle Mountain, Ghost town in Riverside County, United States.

Eagle Mountain is a ghost town at the entrance of the former Eagle Mountain iron mine, in Riverside County, California. Its wide streets were lined with more than four hundred homes, plus two hundred trailer spaces, boarding houses and dormitories for Kaiser's workforce. Amenities included an auditorium, a park, a shopping center, a swimming pool, lighted tennis courts and a baseball diamond, with a bowling alley, two gas stations, eight churches and three schools. The open-pit mine measured 1.5 miles long by half a mile wide.

Henry J. Kaiser's Kaiser Steel founded Eagle Mountain in 1948 at the entrance of an iron mine it bought from the Southern Pacific Railroad. Ore reached the Fontana mill by the 51-mile Eagle Mountain Railroad to the Salton Sea. The mine closed in 1981, the post office shut in 1983, and the last high school class graduated that June.

The town operated multiple schools, recreational facilities, and community centers, fostering education and social connections among mining families.

This location sits roughly 13 miles north of Desert Center and is accessible via Kaiser Road from California State Route 177. Visitors should note that the site is fenced and special permissions may be required to explore certain areas.

In 1988 Kaiser Ventures proposed turning the 1.5-mile-long, half-mile-wide open-pit mine into a sanitary landfill, with Los Angeles trash shipped in by rail on the Eagle Mountain Railroad. Lawsuits delayed it, and the partnership ended the project in 1999; Kaiser Ventures bought out its partners and later agreed to sell to the Los Angeles Sanitation District in 2000.