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Attention hunters: Visit our FAQ page for information about the use of centerfire, single-shot rifles for deer hunting in Illinois. 

Area

Henderson County Conservation Area, which includes Gladstone Lake, offers a variety of recreational facilities. The 27-acre lake has a shoreline of 1.5 miles and a maximum depth of 25 feet. The area, about 20 miles southwest of Monmouth and five miles east of the Mississippi River, has a total of 87 acres.

History

Henderson County Conservation Area was purchased by the state in 1961 from the C. B. & Q. Railroad. The railroad used the area to dredge sand and gravel for use in its railroad maintenance. The lake water was used for filling the train’s steam engine.