Manning Reservoir   Be the first to submit input for Manning Reservoir. If you have info on Manning Reservoir, Elko County, Nevada please submit it here to improve this web site.          These outdoors activities are available near Manning Reservoir.   Public Lands Near Manning Reservoir: Humboldt National Forest, Nevada, 27 miles away   Whitewater Near Manning Reservoir: Owyhee River - East Fork, OwyheeCounty, 7 miles away       Class II - 50 miles long (Duck Valley to Crutcher's Crossing)