Iron Mountain

Iron Mountain is an area mentioned by the PoseidoNet terminal in Gecko's nuclear power plant. It is listed as "operational" in 2242.

Appearances
Iron Mountain is mentioned in Fallout 2, but does not actually appear in any game.

Behind the scenes
There are several such Iron Mountains in the United States. One is northwest of Redding, fairly close to Arroyo and Navarro. Another Iron Mountain, located in Utah, is a part of NORAD along with Cheyenne Mountain.