Princeton NJ Events

8th Annual Delaware River Cleanup

Saturday September 20, 2025
8:30 AM - 11:30 AM

After a busy summer season of boating, tubing, and picnicking the banks of the river are in need of cleanup. This year’s cleanup will cover areas along the river, stretching from the Delaware Water Gap, NJ, to Duck Island at the Abbott Marshlands in Hamilton. Volunteers are invited to remove trash from along the shoreline or join an on-water boating cleanup on the Delaware River leaving from the Giving Pond launch in Bucks County.

The registration page is linked to our home page, http://www.delawarerivergreenwaypartnership.org. To register, click on a site, and additional information about each site will be provided along with the required waiver form. Children are welcome and encouraged to help! Registered volunteers should bring insect repellent and water. Comfortable clothing, long pants, and closed-toe shoes are mandatory. Participants will be provided with trash bags, grabbers, and gloves. A complimentary cleanup tee shirt will be provided!

Tai Chi By The Delaware, Washington Crossing Park

Saturday September 20, 2025
8:30 AM - 9:30 AM

SATURDAYS AT 8:30 AM IN THE SPRING, SUMMER AND FALL IN FRONT OF THE PARKING LOT NEAR THE NELSON HOUSE, ON RIVER DRIVE IN TITUSVILLE, NJ

Tai Chi with our steadfast volunteers and beloved teachers Lisa and Robert! They’ll be leading classes by the River for all levels on Saturday mornings from 8:30 to 9:30 am. Wear comfy clothes, no mat required. If it’s wet or rainy, class is cancelled! Check out exact dates on the Google Calendar on our Events Page.

Click here for more information

West Windsor Community Farmers' Market

Saturday September 20, 2025
9:00 AM - 1:00 PM

877 Alexander Road, Princeton Junction

Up to 50 farms and other vendors on site selling fresh produce, meat, sweets, beer, tea, bread, pickles, and more. Live music and other special events weekly.

Click here for more information

D&R Greenway's Native Plant Sale

Saturday September 20, 2025
9:00 AM - 12:00 PM

D&R Greenway's Native Plant Nursery. This is adjacent to the Johnson Education Center at 1 Preservation Place, Princeton 08540. No charge to attend; no need to register. 609-924-4646 www.drgreenway.org

Linda Mead, D&R Greenway's President & CEO noted "Our knowledgeable staff and volunteers will be on hand to answer your questions and steer you to the best choices for your yard. By planting natives, you are acting against climate change and protecting the species of birds, butterflies and pollinators that need these plants for survival!"

Hopewell Harvest Fair

Saturday September 20, 2025
9:45 AM - 4:00 PM

The Harvest Fair returns again to the grounds of Hopewell Elementary School on Saturday September 20 from 9:45 AM to 4:00 PM. It's a cherished local tradition, attracting fair-goers from all over the area to enjoy a day of old-fashioned fun, while raising funds for local non-profits.

In addition to a day of entertainment under our big tent, you'll find all of your favorite family activities, including hay rides, pony rides, a petting zoo, children's games, face-painting, and local food vendors and farmers showcasing their goods. Plus, there are contests for everyone: a bake-off, homegrown vegetable contest, kids' art, photography, and even a doggie dress-up contest for our furry family members.

Rain Date October 4

Click here for more information

Scavenger Hunt in the Mapleton Preserve

Saturday September 20, 2025
10:00 AM - 11:30 AM

Join Friends of Princeton Nursery Lands (FPNL) for a nature- and history-themed scavenger hunt at Mapleton Preserve/D&R Canal State Park. Find list items while exploring the fields and trails of the Preserve. The event is FREE. All ages are welcome but kids under 10 should be accompanied by an adult. All participants get a free FPNL tote. Bring a friend, or several!

https://fpnl.org/   For more info, call 609-683-0483.

Magical Baby and Toddler Storyplays with Miss Pam, ACP

Saturday September 20, 2025
10:30 AM - 11:15 AM

Led by beloved librarian and early literacy specialist Pamela Groves (Miss Pam) and designed for babies, toddlers, and their caregivers, these engaging sessions introduce children to the joys of language, music, and movement in a warm, playful environment. Each class features Miss Pam’s signature style of interactive storyplay, weaving together books, songs, rhymes, fingerplays, and movement to spark early literacy and numeracy skills. With a tri-lingual blend of English, Spanish, and American Sign Language (ASL), the program fosters inclusivity and connection across cultures.

Click here for more information

Children's Book Launch, Stoutsburg Sourland African American Museum (SSAAM)

Saturday September 20, 2025
11:00 AM - 1:00 PM

The Stoutsburg Sourland African American Museum (SSAAM) will hold a family-friendly celebration of the launch of its first children's book, Growing Up True, on Saturday, September 20, from 11am to 1pm. Growing Up True is inspired by the legacy of the True family, African American landowners and farmers in the Sourland Mountain region. SSAAM's book launch party will bring the story to life with hands-on activities, creative exploration, and a chance to meet the team behind the book.

For more information about Growing Up True and to reserve tickets, donate, sponsor, or volunteer with SSAAM, please visit https://www.ssaam.org/ Admission: $30 per family (2 adults + any number of children - includes 1 copy of the book and cobbler for everyone)

Gemma's Gratitude Yoga Class, Herrontown Woods

Saturday September 20, 2025
11:00 AM - 12:00 PM

A Vinyasa flow session to celebrate our connection to nature and to one another led by Gemma Farrell of Gratitude Yoga. Open to all levels of yoga practice - modifications are welcome. Please bring your own yoga mat to the class, along with a water bottle and sunscreen.Donation-based class. All contributions are appreciated and will help the Friends of Herrontown Woods maintain our beautiful woods. Please check the website closer to the event for any updates or cancellations.

Click here for more information

Art All Day 2025, Artworks

Saturday September 20, 2025
12:00 PM - 6:00 PM

Art All Day returns for its 14th year, offering thousands of visitors a dynamic window into Trenton's vibrant artistic community. This year's event will be held on Saturday, September 20, 2025 from 12 pm to 6 pm, bringing together art lovers and city explorers alike. Attendees will have the opportunity to visit open art studios, experience live painting demonstrations, enjoy downtown activities, and take a guided art tour around Trenton. The event kicks off at Artworks Trenton, located at 19 Everett Alley, Trenton, NJ 08611.

For more information about registration, event details,volunteering, or to donate visit artallday.artworkstrenton.org.