Illinois

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The Nature Conservancy in Illinois

The Nature Conservancy is the leading conservation organization working around the world to protect ecologically important lands and waters for nature and people. We work to protect nature and preserve life in the Prairie State. Have a question for The Nature Conservancy in Illinois? Contact Us!


Contact our Illinois Offices

Chicago Office
8 South Michigan Avenue, Suite 900
Chicago, Illinois 60603
Phone: (312) 580-2100
Fax: (312) 346-5606
E-mail: illinois@tnc.org

Peoria Office
240 SW Jefferson, Ste 301
Peoria, Illinois 61602
Phone: (309) 636-3300
Fax: (309) 673-8986

Illinois River Project Office
11304 N. Prairie Road
Lewistown, Illinois 61542
Phone: (309) 547-2730
Fax: (309) 547-2731

Nachusa Grasslands
8772 S. Lowden Road
Franklin Grove, Illinois 61031
Phone: (815) 456-2340
Fax: (815) 456-2342

Board of Trustees

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