Cajon Junction is an unincorporated community in Cajon Canyon and the northern Cajon Pass area, within San Bernardino County, California.
It is located at the intersection of California State Route 138 (Pearblossom Highway) and Interstate 15
It lies at an elevation of 3113abbr=offNaNabbr=off, above the southern Victor Valley in the northeastern San Gabriel Mountains foothills. And is north of Keenbrook, Cozy Dell and Icenbrook
Cajon Junction is a popular stop in the Cajon Pass there is a gas station and multiple fast food restaurants in the area.