Princeton NJ Events

World Water Day @The Watershed

Saturday March 21, 2026
10:00 AM - 12:00 PM

World Water Day 2026 Morning time frame 10 a.m. - noon Each session will offer games, explorations in our lab, water-themed arts and crafts, a vernal pool exploration hike, visits with critters that live in our water, and so much more! Try a sample from our Water Bar -- small cups filled with drinking water from local towns and wells - and vote on which one you think tastes the best. Learn about the importance of protecting our local water ways and the various actions you can take to keep our water clean, safe and healthy. World Water Day is an annual United Nations event, started in 1993, focusing on the importance of water. This year the UN is focused on water and gender. Patches will be available for purchase in our Nature Store on World Water Day.

Click here for more information

FOPOS Eastern Screech Owl Walk with South Jersey Wildlife Tours

Saturday March 21, 2026
7:30 PM - 8:45 PM

Join the Friends of Princeton Open Space (FOPOS) and South Jersey Wildlife Tours for a guided Eastern Screech Owl Walk at dusk on Saturday, March 21st at 7:30pm. Did you know that Eastern Screech Owls are one of the most common owl species in North America? Odds are you have one of these nocturnal neighbors mere miles (or less!) from your doorstep. During this experience, we will walk the trails at the Billy Johnson Mountain Lakes Nature Preserve in Princeton and listen and look for Eastern Screech Owls, learning much more about them along the way.

Space is limited to 20 participants; be sure to sign up in advance. Please note that this event is geared towards adults as it begins at 7:30 PM.

Click here for more information