Anderson Reservoir   Be the first to submit input for Anderson Reservoir. If you have info on Anderson Reservoir, Malheur County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Anderson Reservoir.   Whitewater Near Anderson Reservoir: Owyhee River, MalheurCounty, 16 miles away       Class III-IV - 65 miles long (Rome to Owyhee Reservoir)