“Incidental camping area” is any area or tract of land where camping is incidental to the primary use of the land for agriculture, timber management, or water or power development purposes, and where two or more campsites used for camping are rented or leased or held out for rent or lease. The density of usage shall not exceed 25 camping parties within a radius of 265 feet from any campsite within the incidental camping area.
Source:
Section 18862.19, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=18862.19..