- Sat, Aug 20Natrona CountyAug 20, 9:00 AMNatrona County, Alcova Reservoir, Wyoming 82620, USAA hidden gem of an event and one certainly not to miss. Take your classic boat up a solid rock canyon with 300 foot walls. Camp right on the waters edge. Slips are available as well. We dine at the beautifully casual yacht club and dance on the beach w/Host Members Charlie and Linda. See you there!