Pio Reservoir   Be the first to submit input for Pio Reservoir. If you have info on Pio Reservoir, Sweetwater County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Pio Reservoir.   Public Lands Near Pio Reservoir: Dinosaur National Monument, Dinosaur - CO, 47 miles away   Hotels Near Pio Reservoir: Hampton Inn Rock Springs, Rock Springs, 30 miles away Days Inn Rock Springs, Rock Springs, 30 miles away Homewood Suites by Hilton Rock Springs, Rock Springs, 30 miles away Econo Lodge Rock Springs, Rock Springs, 30 miles away Best Western Outlaw Inn, Rock Springs, 30 miles away