West Grassy Reservoir   Be the first to submit input for West Grassy Reservoir. If you have info on West Grassy Reservoir, Malheur County, Oregon please submit it here to improve this web site.          These outdoors activities are available near West Grassy Reservoir.   Camp Grounds Near West Grassy Reservoir: Cliff's RV Park, Jordan Valley, 10 miles away   Whitewater Near West Grassy Reservoir: Owyhee River, MalheurCounty, 15 miles away       Class III-IV(V) - 37 miles long (Three Forks to Rome) Owyhee River, -blank-County, 16 miles away       Class III+(V+) - 65 miles long (Garat Crossing to Three Forks)