c. Elizabeth Keegin Colley

The Prospect Park Alliance partners with the City of New York to preserve and maintain Prospect Park for the enjoyment of millions of visitors each year.

The Alliance

The Alliance

Designed by Frederick Law Olmsted and Calvert Vaux in the mid-nineteenth century, Prospect Park is one of Brooklyn’s most treasured destinations and a national landmark.

The Prospect Park Alliance is a nonprofit organization founded in 1987 to restore and sustain Prospect Park after a long period of steady deterioration and decline. We preserve the natural environmentrestore historic design and provide public programs and amenities for the Park, which receives more than 10 million visits each year. 

The Alliance plays a significant role in funding the operating budget that keeps the Park clean, safe and beautiful, and employs three-quarters of the staff that takes care of the Park and engages its diverse surrounding communities. Today, Prospect Park is an international model for urban parks, and one of the premier green spaces in the United States.

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Join the Alliance

Become an Alliance member today, and support the Park while enjoying great benefits like discounts at Lakeside, invitations to free member events, a free PPA water bottle and more.

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Learn about the history of Prospect Park