It shall be unlawful for any person in a park to camp in other than designated areas for organized camping, provided by the director and used by groups of persons under adequate supervision. No person shall set up tents, shacks or any other temporary shelter for the purpose of overnight camping, nor shall any person leave in a park, after closing hours, any movable structure or special vehicle to be used or that could be used for such purpose, such as a house-trailer, camp-trailer, camp-wagon or the like.

(Code 1964, § 2.960(6))