Brown Rock Reservoir   Be the first to submit input for Brown Rock Reservoir. If you have info on Brown Rock Reservoir, Sweetwater County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Brown Rock Reservoir.   Hotels Near Brown Rock Reservoir: Best Western Outlaw Inn, Rock Springs, 28 miles away Econo Lodge Rock Springs, Rock Springs, 28 miles away Days Inn Rock Springs, Rock Springs, 28 miles away Hampton Inn Rock Springs, Rock Springs, 30 miles away Homewood Suites by Hilton Rock Springs, Rock Springs, 30 miles away