The DuPont Nature Center, 2992 Lighthouse Road, Milford, will reopen April 1 after being closed for the winter.

The center will operate from 10 a.m. to 4 p.m. Wednesdays and Saturdays through the end of April. From May 1 through Aug. 30, hours will be 10 a.m. to 4 p.m. Tuesdays through Sundays, closed Mondays. For September, the center will be open from 10 a.m. to 4 p.m. Wednesdays and Saturdays.

Prior to opening day, the DuPont Nature Center will hold a volunteer spring cleanup day from 1 to 4 p.m. March 11. Projects include exhibit and tank set-up, deck maintenance, clearing sand/debris from sidewalks, planting beach grass and cleaning the center and the surrounding grounds. Volunteers younger than age 18 must provide a parental consent form, and volunteers younger than age 16 must be accompanied by an adult.

The center also will host a volunteer orientation from 1 to 3 p.m. April 9. The orientation will be for volunteers interested in participating in activities at the nature center. Staff will review volunteer opportunities and procedures at the center, and volunteers will learn about horseshoe crabs, shorebirds and some of the other aquatic species in the Mispillion Harbor.

Located on the edge of Mispillion Harbor at the intersection of the mouths of the Mispillion River and Cedar Creek, the DuPont Nature Center at Mispillion Harbor Reserve offers various exhibits and educational programs. Indoor freshwater and saltwater tanks allow a close-up look at various aquatic species.

Admission to the center is free and open to the public. For information, email or call 422-1329.