San Luis Obispo County, often referred to as SLO County, is located on the Central Coast of California. It's known for its stunning coastline, beautiful beaches, and rolling hills. As of the 2020 census, the population was 282,424. The county seat is the city of San Luis Obispo, which is home to California Polytechnic State University.

Lake Nacimiento is a reservoir located in northern San Luis Obispo County, California. It's an 18-mile long lake on the Nacimiento River, known for its recreational activities and scenic beauty. The population of Lake Nacimiento was 2,956 at the 2020 census, up from 2,411 at the 2010 census.