Rancho Santa Margarita y Las Flores
| Rancho Santa Margarita y Las Flores | |
|---|---|
| Location | Camp Pendleton |
| Coordinates | 33°23′24″N 117°34′12″W / 33.390°N 117.570°W |
| Official name | Santa Margarita Ranch House |
| Reference no. | 1026 |
Rancho Santa Margarita y Las Flores was a 133,440-acre (540.0 km2) Mexican land grant in present-day northwestern San Diego County, California, given by Governor Juan Alvarado in 1841 to Andrés Pico and Pío Pico. The grant was located along the Pacific coast, and encompassed present-day San Onofre State Beach and Camp Pendleton. The site is now registered as California Historical Landmark #1026.