Cuyamaca Rancho State Park is a twenty-six-thousand-acre mountain landscape in inland San Diego County, known for its cooler, wetter forests, meadows, streams, and Cuyamaca Peak. Human history here reaches back at least 7,000 years, with archaeological evidence of long Indigenous presence and a Kumeyaay place name meaning “the place where it rains.” In the nineteenth century, the area became part of the 1845 Rancho Cuyamaca grant, and gold discoveries near Julian brought disease, displacement, and land loss to the Kumeyaay. The Stonewall Mine and Cuyamaca City briefly flourished before collapse. Established as a state park in 1933, it remains important for recreation, wildlife, archaeology, watersheds, and fire-shaped mountain ecosystems.