Twentyone Lake   Be the first to submit input for Twentyone Lake. If you have info on Twentyone Lake, Cherry County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Twentyone Lake.   Public Lands Near Twentyone Lake: Niobrara National Scenic River, O'Neil - NE, 22 miles away   Campgrounds Near Twentyone Lake: Fishberry Campgrounds, Valentine, 17 miles away Merritt Trading Post Resort, Valentine, 17 miles away Riverside RV Park and Campground, Valentine, 17 miles away Valentine KOA, Valentine, 17 miles away   Hotels Near Twentyone Lake: Dunes Lodge and Suites, Valentine, 21 miles away Super 8 Valentine NE, Valentine, 21 miles away Comfort Inn Valentine, Valentine, 21 miles away Quality Inn Rosebud Casino, Mission, 28 miles away Super 8 Ainsworth, Ainsworth, 42 miles away