The name "San Onofre" is usually synonymous with a pair of suggestively-shaped nuclear reactors. However, this area also features miles of pristine coastline that, due to Camp Pendleton and the reactors, has been left undeveloped. This beach represents one of the last undeveloped stretches of coastline in the Los Angeles/Orange/San Diego County region.Distance: 6.1 MilesElevation Gained: …