Location: Riverside County, California
Named for Iron Spring located at the southern base of this mountain. USFS Patroller Joe Renoa confirms that the seasonal water here is noticeably "hard".
Gudde notes that there are about fifteen creeks and springs named for a significant iron content in the water.
Name first appears on USGS Beauty Mountain topo (1960).
Peak was added to the HPS Peak List in 1966.