Unofficial Cook County Forest Preserve District Page, The
- Maps and other information based on official publications of the Cook County Forest Preserve District.
- http://users.rcn.com/clonk/CCFPD/

North Cook County Soil and Water Conservation District
- Provides information, education and guidance in the conservation and wise use of natural resources. Features newsletter and map.
- http://www.northcookswcd.org/

North Branch Restoration Project
- Working to restore the remaining savannas, woodlands, forests and prairies along the North Branch of the Chicago River. Workday schedule, announcements and articles are featured.
- http://www.northbranchrestoration.org/

Friends of the Forest Preserves
- Advocates good conservation and recreation of the county's forest preserves. Features volunteer steward and habitat restoration opportunities, recommendations and studies, and related resource links.
- http://www.fotfp.org/

Forest Preserve District of Cook County
- Serves to acquire lands containing one or more natural forests for the purpose of protecting and preserving the flora, fauna, and scenic beauties. Information on programs, services, events, links and contacts.
- http://www.fpdcc.com/