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FREE · OUTDOORS

Waterfall Glen Forest Preserve

Name: Waterfall Glen Forest Preserve
Address: Chicago, IL, US

2,500-acre preserve wrapped around Argonne Lab with a waterfall and 11-mile loop trail

IS IT REALLY FREE?

Free. Admission is free per the official page. Confirm before you go.

📍 Darien

🕑 Open daily one hour after sunrise to one hour after sunset

Official source ↗ · Last checked 2026-11-07

HOW WE VERIFIED

We opened the official page on 2026-11-07, confirmed the name matched, and kept the listing only when the page was live. Hours and prices change — always confirm on the official source before you go. How we verify

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