Pine Ridge Reservoir   Be the first to submit input for Pine Ridge Reservoir. If you have info on Pine Ridge Reservoir, Natrona County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Pine Ridge Reservoir.   Whitewater Near Pine Ridge Reservoir: Powder River - Middle Fork, Washakie JohnsonCounty, 19 miles away       Class II-V - 12 miles long (Forest Service Road bridge Close to county line to Highway 190)