All General

The Mercer County Library: Hopewell Branch is open Monday through Thursday from 9:30 a.m. to 8:30 p.m., and Friday through Saturday from 9:30 a.m. to 5 p.m.; the branch is closed on Sundays.

The West Windsor Arts gallery is open Monday through Friday from 9 a.m. to 5 p.m., and Saturdays from 10 a.m. to 4 p.m.; closed Sundays.

The Ewing Church Cemetery grounds are open Monday through Friday from 9 a.m. to 6 p.m.

The Benjamin Temple House is open Wednesdays from 10 a.m. to 2 p.m., offers free house tours on the first Sunday of every month from 2 p.m. to 4 p.m., and is available at other times by appointment.

The Mercer County Library: West Windsor Branch is open Monday through Thursday from 9:30 a.m. to 8:30 p.m., Friday and Saturday from 9:30 a.m. to 5 p.m., and Sunday from 12:30 p.m. to 5 p.m. during the school year.

The Mercer County Library: Robbinsville Branch is open Monday through Thursday from 9:30 a.m. to 8:30 p.m., and Friday through Saturday from 9:30 a.m. to 5 p.m.; the branch is closed on Sundays.

Hours:
Mon–Thurs: 9:30 AM – 8:30 PM
Fri–Sat: 9:30 AM – 5 PM
Closed Sundays

Located on the campus of Princeton University

Hours: Vary
Access: Open by appointment for research and special collections

Located on the campus of Princeton University

Hours: Vary
Access: Open to the public during scheduled meetings, lectures, and events

Located on the campus of Princeton University

Hours: Vary
Access: Open to the public during scheduled lectures and events