Bay Duke Reservoir   Be the first to submit input for Bay Duke Reservoir. If you have info on Bay Duke Reservoir, Malheur County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Bay Duke Reservoir.   Whitewater Near Bay Duke Reservoir: Owyhee River, MalheurCounty, 17 miles away       Class III-IV(V) - 37 miles long (Three Forks to Rome) Owyhee River, -blank-County, 17 miles away       Class III+(V+) - 65 miles long (Garat Crossing to Three Forks)