Potato Chip Rock is a natural tourist attraction near San Diego, California. It is located on the Mt. Woodson summit and is famous for resembling a potato chip. It is located in an unincorporated part of San Diego County between Poway and Ramona. There is no drinking water, toilet facilities, or rangers along any route to Potato Chip Rock. At least 400,000 hikers visit this San Diego open preserve each year.