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        Grassy Mountain Reservoir is a nice lake to visit. At Grassy Mountain Reservoir through the summer months highs are in the 90's. When the night sets in temperatures drop down into the 50's. For the period of the wintertime this place gets highs in the 30's while Grassy Mountain Reservoir night low temperatures during the winter are in the 10's. Grassy Mountain Reservoir is pretty dehydrated usually; the wettest month of the year is ordinarily December, that's       the one that snows the most while July is the month with the least amount of precipitation. This lake is so wonderful. There's so much to do here at Grassy Mountain Reservoir that you need to camp here for a while, Prairie RV Pull thru Park is a fine place for that; not far from Grassy Mountain Reservoir you'll hit upon Lowe Reservoir which is a picturesque lake. You'll need more than a day to look at everything Grassy Mountain Reservoir has to offer,                  you can camp at Lake Owyhee, and a perfect nearby hotel is Ontario Inn. A short trip to Government Corral Spring is always worthwhile, and if you're here you will meet lots of folks from close by Ontario.   Ontario Inn, Ontario 31 miles away Conveniently located on the west side of town, The Ontario Inn offers easy access to local attractions, including Four Rivers Cultural Center, Ontario Aquatic Center, museums, golfing, shopping, hikin... 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 hot cooked-to-order breakfast at DJ's restaurant, located on the property. Located w... 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: Ontario Inn, Ontario, 31 miles away Rodeway Inn 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   Lakes Near Grassy Mountain Reservoir: Lowe Reservoir, Malheur CountyCounty, 2 miles away