Illinois State Park
About half of these 2,200 acres are wetland and lake, including 48-acre Lake Defiance — one of the few Illinois glacial lakes still close to its natural state. Ten-plus miles of trail, and McHenry Dam on the Fox River for the anglers.
Free entry
Phone815-385-1624
Address1510 S. River Rd, McHenry, IL 60051
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