Big Jerry Reservoir   Be the first to submit input for Big Jerry Reservoir. If you have info on Big Jerry Reservoir, Natrona County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Big Jerry Reservoir.   Public Lands Near Big Jerry Reservoir: Independence Rock State Park, Wyoming, 40 miles away   Whitewater Near Big Jerry Reservoir: Powder River - Middle Fork, Washakie JohnsonCounty, 16 miles away       Class II-V - 12 miles long (Forest Service Road bridge Close to county line to Highway 190)