California Code, Public Resources Code - PRC § 4033

(a) The department may provide permits for temporary means of ingress to, egress from, and movement across all property under the jurisdiction of the department in order to provide ready access for the purposes of harvesting timber, conducting studies, and passing and placing equipment upon the department's lands.

(b) The department may grant a permit for a right-of-way across the department's lands over that route and subject to those conditions and construction and maintenance specifications as the department may determine that will cause minimum alteration to the physical features of the department's lands and minimum interference with the use of the forests by the public.

(c) The permittee shall, at the permittee's own expense, construct and maintain the means of ingress and egress, in accordance with the terms and conditions set forth in the permit, noncompliance with which in any part shall be due cause for revocation of that permit.

(d) The department may require a permittee or permittees to allow the use of those temporary means of ingress and egress by any other applicant whose lands are similarly situated.

(e) The department may, at its discretion, charge a reasonable fee for access to its lands.