Blackhawk Waterway The Blackhawk Waterways region encompasses four northwest Illinois counties of Carroll, Lee, Ogle and Whiteside. 2700 square miles of unique experiences that await your personal discovery. Quaint cabins & B&Bs, significant Illinois history & heritage, outstanding outdoor recreation, 125 miles of pristine rivers for fishing & boating, charming shopping & antique treasures. All within 3 hours of Chicago.