The 215-acre Keepataw Preserve was acquired between 1978 and 1992.
The preserve is part of the Des Plaines River preservation system, which conserves more than 2,400 acres of land.
Prior to the Districtís acquisition of the land, it was the site of a limestone quarry. Cultural resources protected at the preserve include the ruins of a kiln that was used during quarrying activities.
Keepataw Preserve protects a diversity of habitats, including forest, prairie, wetland, and a portion of the Des Plaines River.
A unique feature of the site is a 60-foot bluff carved from limestone deposits mined around the turn of the 20th century.
Wildlife found at the preserve includes the federally endangered Hineís emerald dragonfly and other rare species.
The preserve is also home to a variety of plant species, including robinís plantain, Ohio horse mint, and false penny royal.