Duck Soup Reservoir   Be the first to submit input for Duck Soup Reservoir. If you have info on Duck Soup Reservoir, Valley County, Montana please submit it here to improve this web site.          These outdoors activities are available near Duck Soup Reservoir.   Public Lands Near Duck Soup Reservoir: Hell Creek State Park, Montana, 11 miles away   Marinas On or Near Duck Soup Reservoir: Hell Creek Marina, Jordan, 19 miles away