City of Forest Day in Prospect Park

Join Prospect Park Alliance at the fourth annual City of Forest Day on Saturday, October 4 in Prospect Park. Presented by Forest for All NYC in partnership with the Parks and Open Space Partners – NYC Coalition and NYC Department of Parks and Recreation, City of Forest Day is a day of activities across the city to raise awareness of the importance of the New York City urban forest, and the essential role New Yorkers play every day in caring for the “lungs” of our city. Prospect Park Alliance presents an array of activities to raise awareness and celebrate Brooklyn’s last remaining forest including nature education programming, a volunteer opportunity and more!

Check out the full list of 50+ events happening across New York City!

Prospect Park Events:

Park Pitch In: City of Forest Day
Saturday, October 4, 11 am–2 pm
Dog Beach, Free, Registration Required
Join Prospect Park Alliance for a Park Pitch In volunteer event on City of Forest Day a citywide effort to raise awareness and celebrate New York City’s urban forest! Prospect Park Alliance volunteers will plant nearly 400 trees and shrubs as well as perform weeding and tree bed care to restore Prospect Park’s beloved landscape. Appropriate for groups, teens and adults.

Nature Exploration: City of Forest Day
Saturday, October 4, 10 am–1 pm
Audubon Center, Free
Join Prospect Park Alliance for nature education activities to learn about and celebrate New York City’s urban forest!
Leaf Art, 10–12 pm: Let’s have fun exploring the unique features of trees and their uniquely shaped leaves. Let your creativity flourish as you craft art inspired by nature.
Animal Encounter, 11 am–12 pm: Join Alliance Naturalists in learning more about the animals in the Audubon Center’s collection. This program starts promptly at 11 am.
Fall Nature Walk, 12–1 pm: Join us as we discover the wonders of nature! Are you curious about how invasive insects, like the Spotted Lanternfly, prepare for winter? You’ll get hands-on experience in citizen science as we observe how insect and plant life prepare for seasonal changes. Plus, you’ll learn how to protect trees from pests. This program leaves the Audubon Center promptly at 12 pm.

Prospect Park Tree Count
Saturday, October 4, 11am-1pm
Picnic House in Prospect Park, Registration Required
Volunteer with NYC Parks for Trees Count 2025 and celebrate City of Forest Day! At each event you will receive a tote bag with all the materials needed to count trees. Next, we’ll provide a 20-minute training session that includes the basics of tree identification and how to measure and assess each tree. Using our Tree Census app, you’ll split up into different zones within the park to start counting trees! After completing your first training event, you are welcome to continue counting trees on your own in smaller parks across the city.