Allerton Park - Lost Garden and Trailhead Parking

Putting together a State park visit list in Illinois? Keep Allerton Park - Lost Garden and Trailhead Parking as one of the State park candidates around Illinois - USA below. Allerton Park - Lost Garden and Trailhead Parking is a USA featured on CityPlaceList, a directory that gathers verified place data in one place. You will find it at Allerton Park - Lost Garden and Trailhead Parking, Monticello, IL 61856, United States, an address that is easy to plug into any navigation app. Visitors give it a 4.9 out of 5 across 26 reviews, a signal worth reading alongside the details below. The surrounding IL 61856 area adds more options if this spot turns out to be busy.

Everything on this page is compiled automatically from the source data and was last refreshed on Sep 23, 2026; nothing unverifiable has been added. As with any plan, confirm opening hours and prices directly with Allerton Park - Lost Garden and Trailhead Parking before heading out.

To broaden your itinerary across Illinois, consider stopping by Sam Dale Lake, Channahon State Park and St Louis Canyon Falls to expand your visit ideas; compare key features directly in the table on Illinois State Parks Best Parks, Trails and Places to Exp....