c. Elizabeth Keegin Colley


Designed by Frederick Law Olmsted and Calvert Vaux in the mid-19th century, Prospect Park isBrooklyn’s flagship park, welcoming more than 10 millionvisits each year.

ýapp isthe non-profit organization that sustains “Brooklyn’s Backyard,” working in partnership with the City of New York. The Alliance was founded in 1987 to help restore ProspectPark after a long period of deterioration and decline. Today, the Alliance provides criticalstaff and resources that keep the park green and vibrant for the diverse communities that call Brooklyn home. The Alliance cares for the woodlands and natural areas, restores the park’s buildings and landscapes, creates innovative park destinationsprovides free or low-cost volunteer, education and recreation programs.

Today, Prospect Park is an international model for the care of urban parks, and one of the premier green spaces in the United States.

President Morgan Monaco Photo

Morgan Monaco Appointed ýapp President + Prospect Park Administrator

ýapp and NYC Parks announced today that longtime…

Photo of fall scenery

2022 Year In Review

In 2022, ýapp, through the support of our community, accomplished so much to sustain Brooklyn’s Backyard.

Alliance at Work

Learn more about the critical role the Alliance plays in sustaining Brooklyn’s Backyard.

Support Your Park

Love Prospect Park? Learn more about ways to get involved and give back to Brooklyn’s Backyard.

Mission + Vision

Learn more about our mission, vision, values and goals.

Common buckeye moth (Junonia coenia) in Prospect Park’s Butterfly Meadow.

Flutter into Pollinator Month in Prospect Park!

June is Pollinator Month! Prospect Park’s 585 acres are a…