Alpine, California
Alpine is an unincorporated census-designated place in eastern San Diego County, California, encompassing 108 square miles of rugged terrain in the foothills of the Cuyamaca Mountains, bisected by Interstate 8.[1] The area features diverse elevations from vegetated drainageways at around 1,500 feet to peaks exceeding 4,100 feet in the Viejas and El Cajon Mountains, preserving a rural character amid residential clusters and light agriculture.[1] As of 2023 estimates, Alpine's population stands at 15,470, reflecting steady growth in this gateway community to San Diego County's eastern wilderness areas, including proximity to the Viejas Indian Reservation.[2] Its Mediterranean climate supports year-round outdoor activities, distinguishing it from more urbanized coastal regions.[3]