024-1 Wyo. Code R. § 1-8
(a) The department may establish a reasonable schedule of visiting hours for all or portions of park land; and close to public use all or any portion when necessary for the protection of an area or the safety and welfare of persons or property by the posting of appropriate signs indicating the extent and scope of such closures.
(b) In accordance with W.S. § 6-6-303, all persons shall observe and abide by officially posted signs designating closed areas and visiting hours.
(c) All park lands are closed after 10:00 p.m. except for camping.
(d) The superintendent may set a visitor capacity limit for areas within park land. Each visitor capacity limit shall be enforced to protect park visitors and to prevent damage to the natural resources on park lands. Once capacity is reached, no additional visitors shall be admitted.
024-1 Wyo. Code R. § 1-8