Millennium Park
- Details of park history and special events, general information about the park and Jay Pritzker Pavilion, Crown Fountain, Lurie Garden, and the Cloud Gate sculpture.
- http://www.millenniumpark.org/

Chicago Park District
- The largest park district in the United States. Information on park events, histories, activities, as well as local trivia.
- http://www.chicagoparkdistrict.com/

William W. Powers State Recreation Area
- A 160-acre tract was acquired by the state in 1947 and became known as the Wolf Lake Conservation Area. Other acquisitions have now increased the area, to 580 acres, of which 419 acres are water.
- http://dnr.state.il.us/lands/landmgt/PARKS/R2/Wmpow.htm

Friends of the Parks
- Not-for-profit citizens' membership organization dedicated to the protection, preservation and continued improvement of Chicago's parks and lakefront beaches. Sponsors the annual (Long After Twilight Ends) LATE ride, a popular bicycle ride held overnight.
- http://www.fotp.org/