Welcome to Pinnacle Library Cooperative

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About the Pinnacle Library Cooperative

The Pinnacle Library Cooperative is a consortium of six public libraries in the southwest suburbs of Chicago. Together, our six libraries:

  • Serve over 400,000 residents
  • Provide access to over 1 million items
  • Offer eBooks and eAudiobooks through the OverDrive platform
  • Check out nearly 3 million items each year

Our six libraries are geographically connected and have a long history of working together to provide the very best service to our patrons. Residents of any of our libraries are welcome to visit any of our locations.