Test excavations at Hual-Cu-Cuish (CA-SDi-903) and examination of existing collections and records from this site and the Fire Station site (CA-SDI-901) in Cuyamaca Rancho State Park were conducted as part of the ongoing program of resource protection and interpretation. Based on the size of these sites, as well as the kinds, variety, and density of cultural materials at these sites, both appear to have been the centers of major Late Prehistoric villages. Our results are compared to those of D. L. True, who defined the Cuyamaca Complex based on survey and excavation in the park.