Ernst Reservoir   Be the first to submit input for Ernst Reservoir. If you have info on Ernst Reservoir, Custer County, Oklahoma please submit it here to improve this web site.          These outdoors activities are available near Ernst Reservoir.   Public Lands Near Ernst Reservoir: Foss State Park, Oklahoma, 21 miles away Crowder Lake State Park, Oklahoma, 28 miles away Roman Nose State Park, Oklahoma, 36 miles away   Hotels Near Ernst Reservoir: Super 8 Clinton, Clinton, 17 miles away Days Inn Clinton, Clinton, 17 miles away Ramada - Clinton, Clinton, 17 miles away Econo Lodge Inn & Suites Clinton, Clinton, 17 miles away Best Western Plus Mark Motor Hotel, Weatherford, 23 miles away