Cheyenne Bottoms Wildlife Area is the largest marsh in the interior US at about 60 square miles lying north of the Arkansas River in the center of Kansas. “The area is considered the most important shorebird migration point in the western hemisphere. ” “Although known primarily for birds, the area also contains raccoons, deer, beavers, muskrats, and mink as well as a variety of reptiles.” Try 620-793-3066 or Fort Hays State University’s Kansas Wetlands Eduction Center in Great Bend: phone 620-566-1456 or toll free 1-877-243-9268. Here is their website. The Nature Conservancy owns 7,500 acres immediately northwest of the state property. Here is the Conservancy website. See the post under Private.
“Visitors can drive or walk on approximately 15 miles of gravel roads within the area.”