FOPOS FALL FEST 2025: Tickets Now on Sale
Join Friends of Princeton Open Space on Sunday, September 28th for our annual Fall Fest fundraiser at the Mountain Lakes House, overlooking the beautiful lake at the Billy Johnson Mountain Lakes Nature Preserve in Princeton, New Jersey.
Live music, fall food, craft beer, and nature activities for all ages
Celebrate our dedicated volunteers, land steward interns, and corporate partners as we raise funds in support of our mission-related activities. The community programs supported by this event include free environmental education community events, paid summer internships, and volunteer-powered land stewardship projects.
Event Details
Sunday, September 28th 2025 // 4:00PM - 6:00PM
Mountain Lakes House // 57 Mountain Avenue Princeton
Reserve Your Tickets:
Early Bird Tickets: $60 per person — available through September 21
General Admission: $70 per person — starting September 22
Children 12 and under: Free, but must be registered in advance
Ticket payments by check can be made payable to "Friends of Princeton Open Space" and mailed to PO Box 374, Princeton, NJ 08542.
FOPOS Fall Fest is rain or shine. Attendees must be 21 or older to be served alcohol.
Thank you to our FALL FEST 2025 Sponsors!
Red Maple Guardian – $1,000
Hamilton Mercer Advisors
Whole Earth Center
Pawpaw Tree Protector – $500
Nick Lopez: Corcoran Sawyer Smith
Ingela Kostenbader: Queenston Realty
Wendy Mager and Eric Monberg
Andrea and Bo Honoré
Serviceberry Tree Supporter – $250
Dana Molina
Individual & Corporate Sponsorships now available
Become a sponsor and help power local conservation, hands-on environmental education, and our land steward internship program.
Enjoy these pictures from past FOPOS Fall Fests
