The 2019 Watershed Butterfly Festival is a day of family fun that celebrates the joys and wonders of nature.

Tour the Kate Gorrie Butterfly House, where you can delight in the locally captured butterflies. Meet the oak tree stilt walker. Enjoy our train ride, animal show, an insect zoo, solar music, arts and crafts, and other entertainment. Learn about how to become a River-Friendly Resident.

*NEW THIS YEAR* – Watershed Members get in FREE!

Family memberships can claim a free carload entry (up to 6 people) when they register online. Students, seniors, and individual members can claim single entry tickets. The discount will apply automatically to your cart at checkout, and you can show us the email receipt for easy entry on August 3rd.

FREE Membership Tickets Purchase Tickets Become a Member

Come dance to The Ballycastle Band, a local Irish music group, and later in the afternoon listen to the Cosmic Jerry Band, playing favorites from the Grateful Dead. Be amazed by the Trenton Circus Squad performers throughout the day!

Once you work up an appetite, there will be delicious offerings from Jammin’ Crepes, Empanada Monster, Gyros to Go, and other food vendors.

Krystal Fairy Creations fairy items, custom lockets by Origami Owl Living Lockets, Crystals in Copper jewelry, Shirley Sews dog bandanas, and other local arts and crafts vendors.

There will be an Eyes of the Wild exotic animal show, a Butterfly and Bug parade and a family walk with a Watershed naturalist.

This family-oriented day has grown to be a major regional event, attracting more than 2,000 visitors. Proceeds from this event sustain our work in environmental conservation, advocacy, science, and education. The Watershed Institute is a member-supported non-profit dedicated to protecting and restoring clean water and healthy environments in central New Jersey.

Frequently Asked Questions

Children under the age of 2 are free.

The ATM is located inside the Watershed Center.

This is a rain or shine event. Activities are available indoors and under tent cover.

No. Parking will be located across the street from the Watershed Center at Bristol-Myers Squibb for no additional cost. Free bus transportation will run throughout the day to the festival and parking areas.

No. We ask that our visitors use the provided bus transportation to and from the parking area at Bristol-Myers Squibb and refrain from walking along the road and in traffic lanes.

Folding strollers can be brought on the shuttle. Handicap parking will be available on site.

Yes! There are bike racks on the Watershed Reserve.

We’re sorry, only service animals are permitted.

No outside alcoholic beverages are permitted on property. There will be non-alcoholic beverages available for sale.
Smoking is also prohibited on our campus.

There will not be alcohol featured at our event this year.

31 Titus Mill Rd. Pennington, NJ 08534 (Follow signs for parking)