Blackjack Butte Reservoir   Be the first to submit input for Blackjack Butte Reservoir. If you have info on Blackjack Butte Reservoir, Malheur County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Blackjack Butte Reservoir.   Lakes Near Blackjack Butte Reservoir: Lake Owyhee, Malheur County, 8 miles away   Public Lands Near Blackjack Butte Reservoir: Lake Owyhee State Park, Oregon, 8 miles away Ontario State Park, Oregon, 22 miles away Farewell Bend State Park, Oregon, 32 miles away   Camp Grounds Near Blackjack Butte Reservoir: Lake Owyhee, -blank-, 7 miles away   Hotels Near Blackjack Butte Reservoir: Rodeway Inn Ontario, Ontario, 22 miles away Holiday Inn Express Hotel & Suites ONTARIO, Ontario, 22 miles away Sleep Inn Ontario, Ontario, 22 miles away Clarion Inn Ontario, Ontario, 22 miles away BEST WESTERN PLUS Inn & Suites, Ontario, 22 miles away