California Code, Public Resources Code - PRC § 4652

(a) The department may collect recreational user fees for overnight camping and reserved group activities in a demonstration state forest.  The department shall not charge a fee that exceeds the amount necessary to reimburse the department's costs for maintenance and improvement of campground facilities, associated recreational facilities, natural environment, and access thereto.

(b) All recreational user fees received by the department during each fiscal year shall be deposited into the Forest Resources Improvement Fund and shall be used, upon appropriation by the Legislature, to reimburse the department's cost of maintaining and improving the campground facilities, associated recreational facilities, natural environment, and access thereto.

(c) Receipts from the sales of forest products and recreational user fees shall be deposited monthly with the State Treasurer in the Forest Resources Improvement Fund.  The Controller shall keep a record of accounts of such receipts separately.