Dry Hole Reservoir   Be the first to submit input for Dry Hole Reservoir. If you have info on Dry Hole Reservoir, Natrona County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Dry Hole Reservoir.   Public Lands Near Dry Hole Reservoir: Independence Rock State Park, Wyoming, 37 miles away   Campgrounds Near Dry Hole Reservoir: Hell's Half Acre Motel and Cafe, Powder River, 16 miles away   Whitewater Near Dry Hole Reservoir: Powder River - Middle Fork, Washakie JohnsonCounty, 17 miles away       Class II-V - 12 miles long (Forest Service Road bridge Close to county line to Highway 190)