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The IDNR headquarters at 1 Natural Resources Way in Springfield has experienced a power outage and tree damage throughout the grounds as a result of severe storms in the area. The agency expects to reopen the building to the public on Monday, June 15, 2026, though this could be subject to change. Check back here for an update before planning to visit the office in person.

Rock Island Trail Prairie

Nature Preserve Area

4

County

Peoria

Location And Access

From the junction of Rts. 90 and 91 in Princeville, proceed north for 3 miles on Rt. 91 to the County Line Road. Turn east and travel 0.5 mile to the abandoned railroad right-of-way where th prairie is located.

Description

The mesic prairie remnant at this site is representative of the prairies of the Grand Prairie Division of Illinois. Big bluestem, Indian grass, northern dropseed and bluejoint are grasses which are present along with numerous prairie wildflowers, including prairie dock, compass plant, leadplant, pale coneflower, rattlesnake master, prairie gentian and rough and prairie blazingstars. Recent management efforts, including prescribed burning and brush removal, have improved the quality of the prairie.

Ownership

Illinois Department of Natural Resources

Dedicated

April 1993

Size

3.75 acres

Topographic Quad

Edelstein

Topo Map

tropar

For Further Information

Illinois Department of Natural Resources, Natural Heritage Biologist, Jubilee College State Park, 13921 West Route 150, Brimfield, IL 61517 (309/446-8181)