Butterfly Festival 2026

Event Details

We can’t wait to welcome you to this fun and educational celebration! Adults and children will learn about watersheds, butterflies, and other types of pollinators. You can purchase butterfly wings and other fun items at our Watershed Gift Shop.
For this year’s Butterfly Festival, we will have one all-day session. Guests are welcome to join us anytime between 9:30 a.m. and 3 p.m.
This event will feature:
🦋 Butterfly House Tours
🪲 Butterfly & Insect Parade
🎶 Live Music
🐸 Animal Shows by “Eyes of the Wild Animal Show”
🍿 Food Trucks
🎨 Crafts
🌱 And more!
📍The Watershed Institute – 31 Titus Mill Road, Pennington, NJ, 08534.
Pre-registration is strongly recommended.
Price: $10 per person or $30 per carload (up to six people).
The Butterfly Festival is held rain or shine. No refunds are offered in the case of inclement weather.
Special thanks to our 2026 festival sponsors: Bristol-Myers Squibb and Capital Health
Please note that dogs are not permitted at the Butterfly Festival.
This event will be photographed and filmed. If you have any concerns, please speak with a member of our staff.

$10pp or $30 per car