Inaja Band of Diegueno Mission Indians

[1] The reservation consists of two parcels of land, one Inaja, the other Cosmit, that sit at the base the Cuyamaca Peak and is accessed only by the unpaved, county-maintained, Boulder Creek Rd.

Tribal lands of the Kumeyaay Nation extend from San Diego and Imperial counties in California to territories 60 miles south of the Mexican border[5] The Inaja Band is headquartered in Escondidio.

The adoption of Roman Catholicism being the oldest religious institutions in the world, has played a very vital role in shaping the way the Inaja band mission Indians beliefs.

Their land lies between the Kiliwa on the south and the Kumeyaay and Cocopa on the north, extending from San Vicente near the Pacific coast.

They occupied a territory lying between the Cochimí on the south and the Paipai on the north, and extending from San Felipe on the Gulf of California to San Quintín on the Pacific coast[16] The reservation is served by the Julian Union Elementary School District and Julian Union High School District.