024-1 Wyo. Code R. § 1-5
(a) Leaving any vehicle as defined in W.S. § 31-13-101 unattended on any park land for longer than 24 hours without prior permission of the superintendent is prohibited and such vehicle may be removed and disposed of pursuant to W.S. § § 31-13-101 through 31-13-116.
(b) In the event unattended property interferes with the safe or orderly management of the area, it may be removed by the superintendent or law enforcement officer at any time, and such property shall be removed and stored at the expense of the owner.
(c) Unless prior written permission has been obtained from the superintendent, personal property left in any park land for longer than 30 days shall be deemed abandoned. Property deemed abandoned may be removed at the owner's expense and disposed of as provided by law.
024-1 Wyo. Code R. § 1-5