Full details. Last entry to the zoo is … Weekends & Holidays 10:00 AM - 5:30 PM. The Bronx Zoo is temporarily closed effective March 16, 2020. Bronx Zoo. Plan Your Visit Know Before You Go FAQS & Rules Events Park Hours April 4, 2020 — October 31, 2020 Mon - Fri 10:00 AM - 5:00 PM. The Bronx Zoo, the New York Aquarium, the Central Park Zoo, the Prospect Park Zoo and the Queens Zoo will open on July 24, the Wildlife Conservation Society, which runs the facilities, announced. The Bronx Zoo is a zoo located within Bronx Park in the Bronx, New York.It is one of the largest zoos in the United States by area, and is the largest metropolitan zoo in the United States by area, comprising 265 acres (107 ha) of park lands and naturalistic habitats separated by the Bronx River.On average, the zoo has 2.15 million visitors each year as of 2009.