Brown Lake   Be the first to submit input for Brown Lake. If you have info on Brown Lake, Rock County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Brown Lake.   Hotels Near Brown Lake: Holiday Inn Express O'NEILL, Oneill, 42 miles away Super 8 O Neill NE, Oneill, 42 miles away Rodeway Inn Ainsworth, Ainsworth, 44 miles away Super 8 Ainsworth, Ainsworth, 44 miles away