Cottonwood Lake   Be the first to submit input for Cottonwood Lake. If you have info on Cottonwood Lake, Holt County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Cottonwood Lake.   Hotels Near Cottonwood Lake: Holiday Inn Express O'NEILL, Oneill, 28 miles away Super 8 O Neill NE, Oneill, 28 miles away