Geology of the Hudson ValleyEmbark on a journey through time and learn about the geologic history of the Hudson Valley on this 4-mile hike through the Buttermilk Hill area with our resident geologist, Kim Fendrich. We’ll stop at 4 sites along the way and observe evidence of tectonic activity, glaciation, weathering and erosion. Please bring…

Volunteer with our team to manage our one-acre Urban Farm! Whether you are new to our Farm or have been a tried-and-true weekly volunteer, come and join us on the Farm. No registration required. Volunteers must be at least 10 years old. Anyone under the age of 16 must be accompanied by an adult who…

We will hike on trails less traveled and observe seasonal changes.We will hike on trails less traveled and observe seasonal changes. We will venture far south of Belmont Lake as we hike the trails south of Southern State Parkway. Be prepared for a 2-3 mile hike! Dress for the weather. Recommended for Children 8 and…

Exit 22 at the Westchester County Center to Exit 4 at Scarsdale Road in Yonkers. Starting in 2012, this program has been funded by Westchester Parks Foundation and our partners. Thank you to presenting sponsors, Con Edison, and NewYork-Presbyterian Hospital. Together we are committed to parks and open space, and we all make this event…

Join us as we discover what is living right beneath the surface of Hempstead Lake!Reservations are required for all programs. Space is limited. If you are unable to keep your reservation, please cancel so others may have the opportunity to attend. Please try to arrive 10 minutes early.Children's Programs, Ages 5 & up unless otherwise…

Learn about the creatures of the deep!Explore what life is like 1000 meters under the sea!$4 cash per person upon arrival. Reservations are required for all programs. Space is limited. If you are unable to keep your reservation, please cancel so others may have the opportunity to attend. Please try to arrive 10 minutes early.For…

Join Prospect Park Alliance and Heights and Hills this September for free fitness group walks in Prospect Park for adults ages 60 and over.

Sunset Yoga at Rockwood

Stretch, breathe, and find your inner peace at our outdoor yoga classes. Free. No registration required. Bring your own mat and water. Location: along the waterfront adjacent to Field 80 For inquiries about accessibility, to request an accommodation or for event information, please email [email protected].

Come enjoy the beautiful sunset over Flat Rock Brook! Join our trail guides for a leisurely hike through the forest. Every Tuesday April through October. Meet at the Gazebo across from the Nature Center.

Volunteer with the Team RIVER (Randall’s Island Volunteer Ecological Restorers) and help keep Randall’s Island Park beautiful! Team RIVER Volunteers regularly work in with the Natural Areas team twice a month taking care of and restoring our natural spaces on the island. With our Horticulture team, volunteers care for the many gardens and meadows on…

Tree Identification WalkJoin conservation steward, Devyani Mishra, for a leisurely stroll through the Preserve to learn about trees and how to identify them. The hike will be short with frequent stops for discussion. Leashed dogs are welcome. Meet in the Visitor’s Center courtyard. Please wear sun protection, bring water to drink and wear comfortable closed-toed…

Explore the natural world around us!These programs will connect children and their parents with nature through short walks, story time, animal visitors, and crafts. Children ages 3 -5.$4 cash per child upon arrival. Reservations are required for all programs. Space is limited. If you are unable to keep your reservation, please cancel so others may…

Join senior teachers from the New York School of T’ai Chi Chuan for an introductory class on Randall’s Island! This will include a short demo followed by a class teaching some of the basic movements found in the Tai Chi form. This class will be easy to follow, enjoyable, and both energizing and relaxing! Tai…

Full Moon Hike: Harvest MoonExperience the Preserve after dark! Join Shayla, Hailey, and Dave for a 4-mile hike on carriage roads lit by moonlight. We walk at a brisk pace; some hiking experience is recommended. Leashed dogs are welcome. Meet in the Visitor’s Center courtyard. Please bring water, a flashlight or headlamp, and wear comfortable…

Local Lore and LegendsDid you know that the famous horseman ride in The Legend of Sleepy Hollow likely took place here in the Preserve? Actually, there are quite a few lesser-known legends that take place on this land. The names of some of our most iconic locations (Spook Rock, Ravens Rock, Witch’s Spring) come from…

Fall has officially arrived!Fall has officially arrived! Let’s take a hike throughout the moonlit trails of the preserve! The term "harvest moon" refers to the full, bright Moon that occurs closest to the start of autumn. Dress for the weather and be prepared to hike up to 3 miles. Family Programs are for children ages…

The Randall’s Island Park Alliance, in partnership with City Parks Foundation, continues to offer the Jesse Owens Track and Field Youth Program! This free weekly track & field youth program is available to youth ages 8-16 and enables participants to learn the fundamentals of the sport and stay active. Activities will focus on running techniques…

Bird Photography WorkshopLearn the best techniques for photographing birds and other wildlife and explore some of the best locations to shoot with photographer, Bill Golden. We’ll begin with an instructional presentation in the art gallery, followed by a walk through the Preserve to put your newfound skills to the test. This class is best suited…

Lets observe the life cycle of the Monarch ButterflyEvery year thousands of Monarch butterflies migrate to Mexico. Get an up close look at these beautiful bugs as we investigate why they travel so far and how they do it! Reservations are required for all programs. Space is limited. If you are unable to keep your…

Earn your Scouts BSA Geocaching Merit BadgeWe will practice finding caches on the grounds. No equipment needed, although you may bring a handheld GPS unit if you have one.Please complete prerequisites #7 & #9 prior to classScouts should wear their uniform and bring a signed blue card to classTaught by our certified merit badge counselorsCost:…

Engage in some fun on the Urban Farm every Saturday! Join Randall’s Island staff for seasonal activities inspired by the Farm and natural areas. All ages welcome. Location: Urban Farm For inquiries about accessibility, to request an accommodation or for event information, please email [email protected].

Stretch, breathe, and find your inner peace at our outdoor yoga classes. Free. No registration required. Bring your own mat and water. Location: along the waterfront adjacent to Field 80 For inquiries about accessibility, to request an accommodation or for event information, please email [email protected].