Reservation and administration Location of Sycuan Reservation The Sycuan band are a Kumeyaay tribe, one of the four ethnic groups indigenous to San Diego County. The Sycuan Band of the Kumeyaay Nation is a federally recognized tribe of Mission Indians from Southern California, located in an unincorporated area of San Diego County just east of El Cajon. Flag of the Sycuan Band of the Kumeyaay Nation
