Grassy Mountain Reservoir, Malheur County, Oregon     User input for Grassy Mountain Reservoir, Malheur County, Oregon: Be the first to submit input for Grassy Mountain Reservoir. Help improve this web site with your great input. Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines       If you are in this part of Oregon make sure to pay a visit to Grassy Mountain Reservoir. At Grassy Mountain Reservoir you don’t see much rainfall; the wettest month of the year is mostly December, that's the one that snows the most; July is when it's the driest. Summer brings highs in the 90's to Grassy Mountain Reservoir. Summer nighttime lows drop down to the 50's. For the period of the wintertime this place gets highs in the 30's, and nighttime lows at Grassy Mountain Reservoir during the winter usually sink into the 10's.           Rodeway Inn Ontario, Ontario 33 miles away Easy access to Interstate 84 and State Highway 30. Easy commute to City Center and government offices. Hotel offers free continental breakfast in lobby. Located within one mile of a large shopping ce... Holiday Inn Express Hotel & Suites ONTARIO, Ontario 33 miles away New Hotel in Ontario, Oregon Provides Comfort & ConvenienceWelcome to the Holiday Inn Express & Suites in Ontario, Oregon. Our Ontario hotel is halfway between Portland, OR and Salt Lake City, UT, mak... Current weather conditions at Grassy Mountain Reservoir, Malheur County, Oregon Local climate location: VALE 15 miles away   Coordinates: Latitude: 43.69 Longitude: -117.3586 Oregon Lakes Complete list of all lakes in Oregon Malheur County Lakes Complete list of all lakes in Malheur County Books about Grassy Mountain Reservoir List of books available on Amazon.com about Grassy Mountain 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 Grassy Mountain 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 Grassy Mountain Reservoir.   Hotels Near Grassy Mountain Reservoir: Rodeway Inn Ontario, Ontario, 33 miles away Holiday Inn Express Hotel & Suites ONTARIO, Ontario, 33 miles away Sleep Inn Ontario, Ontario, 33 miles away Holiday Inn Ontario, Oregon, Ontario, 33 miles away Best Western Inn & Suites, Ontario, 33 miles away   Camp Grounds Near Grassy Mountain Reservoir: Lake Owyhee, -blank-, 9 miles away Prairie RV Pull thru Park, Elkhart, 17 miles away Bully Creek Campground, Malheur County, 17 miles away Prospector RV Trlr Park, Vale, 17 miles away