Deary Reservoir   Be the first to submit input for Deary Reservoir. If you have info on Deary Reservoir, Malheur County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Deary Reservoir.   Whitewater Near Deary Reservoir: Owyhee River, MalheurCounty, 11 miles away       Class III-IV(V) - 37 miles long (Three Forks to Rome) Owyhee River, -blank-County, 11 miles away       Class III+(V+) - 65 miles long (Garat Crossing to Three Forks) Owyhee River - North Fork, OwyheeCounty, 17 miles away       Class III-IV - 18 miles long (Off Mud Flat Road to Three Forks)