South Fork Tributary Reservoir   Be the first to submit input for South Fork Tributary Reservoir. If you have info on South Fork Tributary Reservoir, Natrona County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near South Fork Tributary Reservoir.   Public Lands Near South Fork Tributary Reservoir: Independence Rock State Park, Wyoming, 39 miles away   Whitewater Near South Fork Tributary 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)