Middle Fork River Forest Preserve opens at 7 AM year-round, weather-permitting.
Although some portions of the Middle Fork River Forest Preserve close to automobiles at dusk, the North Waterfowl Management Area is open 24 hours a day for night sky viewing. The entrance and parking for the waterfowl area are located 2554 County Road 3500 North.
Winter Star Chart
What you'll see in the spring sky
First & Only Dark Sky Park in Illinois (video)
Closing times vary: