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