Upper Duncan Reservoir, Malheur County, Oregon     User input for Upper Duncan Reservoir, Malheur County, Oregon: Be the first to submit input for Upper Duncan Reservoir. Help improve this web site with your great input. Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines        Upper Duncan Reservoir is always a pleasure to visit. Summer brings highs in the 90's to Upper Duncan Reservoir. When the night sets in temperatures fall down into the 50's. The wintertime comes with highs in the 30's while Upper Duncan Reservoir overnight low temperatures throughout the winter are in the 10's. This lake is so wonderful. You get a perfect view of Mustang Butte from Upper Duncan Reservoir, and whitewater paddling is not for everyone but if       it's for you then, we recommend Owyhee River. Upper Duncan Reservoir is a location that is relatively arid typically; June is when you get the most rain here, and July is the month with the least moisture. If you came for an overnight stay Cliff's RV Park is a brilliant place to camp; Rome RV and Cafe is a great campground here.     Current weather conditions at Upper Duncan Reservoir, Malheur County, Oregon Local climate location: ROME 6 miles away   Coordinates: Latitude: 42.65528 Longitude: -117.3736 Oregon Lakes Complete list of all lakes in Oregon Malheur County Lakes Complete list of all lakes in Malheur County Books about Upper Duncan Reservoir List of books available on Amazon.com about Upper Duncan Reservoir, Malheur County, Oregon. Outdoors Recreation Near Ontario, Oregon-Idaho Very comprehensive list of a variety of outdoors recreation in the vicinity of Ontario, Oregon-Idaho, the metro area neareast to Upper Duncan Reservoir. Find info on campgrounds, hiking trails, ski resorts, lakes, beaches, parks, whitewater and more. Oregon Outdoors Index This is a very comprehensive index of outdoors activities in the great state of Oregon.     These outdoors activities are available near Upper Duncan Reservoir.   Camp Grounds Near Upper Duncan Reservoir: Cliff's RV Park, Jordan Valley, 10 miles away Rome RV and Cafe, Jordan Valley, 20 miles away   Whitewater Near Upper Duncan Reservoir: Owyhee River, Malheur CountyCounty, 2 miles away       Class III-IV(V) - 37 miles long (Three Forks to Rome) Owyhee River, -blank- CountyCounty, 16 miles away       Class III+(V+) - 65 miles long (Garat Crossing to Three Forks)