What to Know Before You Go

The National Zoo is a Smithsonian museum located in Washington, D.C., and it is free to enter. You do not need to buy a ticket or make a reservation to walk the grounds. The zoo sits in Rock Creek Park in the upper northwest part of the city and is open most days of the year, though hours and which animal exhibits are accessible change by season.

The zoo keeps over 2,700 animals representing more than 390 species. Some of the most visited areas are the Giant Panda Habitat, the Reptile Discovery Center, the Amazonia exhibit, and the American Trail. Because the zoo is large and hilly, most visitors spend two to four hours there, though you can stay as long as you want.

Parking on the zoo grounds is limited and fills up on busy days. Street parking is available in the neighborhood, but the easiest option for many visitors is the Metro Red Line, which stops at the Cleveland Park station, a short walk from the main entrance.

Key Takeaways

  • Entry to the National Zoo is free, and no ticket or reservation is required to visit.
  • The zoo is open year-round but with different hours depending on the season, so check the website before you go.
  • The grounds are large and hilly, so wear comfortable shoes and plan to spend at least two to three hours.
  • Parking on zoo property is limited; using the Metro Red Line to Cleveland Park station is often faster than driving.
  • Some animal exhibits close during winter months or for maintenance, so not every animal is visible on every visit.

Hours, Seasons, and What Changes Throughout the Year

The National Zoo operates year-round, but the hours shift with the seasons. During spring and summer (roughly March through October), the zoo typically opens at 8 a.m. and closes at 6 p.m. or later. In fall and winter, hours are usually 8 a.m. to 4:30 p.m. or 5 p.m. Hours also vary on federal holidays and during special events.

More importantly, not all exhibits are open at all times. Some outdoor animal areas close or have limited hours during cold months. The Giant Panda Habitat, the Reptile Discovery Center, and indoor exhibits stay open year-round, but outdoor habitats like the American Trail and Amazonia may have reduced access in winter. Before you plan your visit, check the zoo's website or call ahead to confirm which exhibits will be open on the day you want to go.

The zoo is closed on Christmas Day. It may also close or operate on a limited schedule during severe weather.

Getting There and Where to Park

The National Zoo's main entrance is on Connecticut Avenue NW in the Woodley Park neighborhood. If you are driving, the zoo has a parking lot on the grounds, but it holds only about 500 cars and fills quickly on weekends and during school holidays. Parking is free, but you may have to circle or leave and return later.

Street parking is available in the surrounding neighborhood, though spaces are harder to find on busy days. If you choose to park on the street, read the signs carefully—some areas have time limits or are reserved for residents.

The Metro Red Line is often the fastest option. The Cleveland Park station is about a 10-minute walk downhill from the main entrance. If you are coming from downtown D.C. or the airport, the Metro avoids traffic and parking stress. The zoo also has a secondary entrance near the Woodley Park Metro station, which is even closer to some exhibits.

What to Bring and How to Prepare

Wear comfortable walking shoes. The zoo covers 163 acres and is built on hilly terrain. Even if you plan to stay for just two hours, you will walk more than you might expect. Bring water, especially in warm months—the zoo has water fountains, but they can be hard to find during peak times.

Sunscreen and a hat are useful year-round. In summer, much of the zoo is exposed, and the sun reflects off pavement. In winter, the wind can be sharp, so dress in layers.

Food and drink are available at several cafés and snack stands throughout the zoo. Prices are higher than outside restaurants, so some visitors bring their own snacks. Outside food and drink are permitted. The zoo does not allow alcohol, but you can bring water bottles and refill them at fountains.

Strollers and wheelchairs are permitted. The zoo rents both on-site if you need them, though rental availability varies by season. Some paths are steep or unpaved, so not every area is equally accessible by wheelchair or stroller.

Major Exhibits and What Animals You Will See

The Giant Panda Habitat is one of the most popular stops. The zoo has housed giant pandas for decades, and they are on view during most operating hours. This exhibit is indoors and climate-controlled, so it is comfortable year-round.

The Reptile Discovery Center is another major draw. It features snakes, lizards, turtles, and amphibians in indoor exhibits. This is a good option on cold or rainy days because you stay inside.

The American Trail showcases animals native to North America—river otters, beavers, bison, and bears. This is an outdoor area that is most pleasant in spring and fall.

The Amazonia exhibit recreates a rainforest environment with jaguars, sloths, poison dart frogs, and other tropical species. It is partly indoors and partly outdoors.

Other popular areas include the Cheetah Conservation Station, the Elephant Trails, the Monkey Valley, and the Bird House. The zoo's website has a full map and current information about which exhibits are open.

Visiting With Children or in a Group

The National Zoo is designed to be family-friendly. There are no height or age restrictions for entry. Young children often enjoy the petting area (when open), the outdoor play spaces, and the smaller, more interactive exhibits. Stroller rental is available if your child gets tired.

If you are visiting with a large group, let the zoo know in advance. Groups of 15 or more may need to coordinate with the zoo's education department. The zoo offers guided tours and educational programs, though these may require advance notice or a separate fee.

The zoo can be crowded on weekends, school holidays, and during the summer. If you prefer a quieter visit, go on a weekday morning or in the fall or early spring.

Photography and Social Media

Photography for personal use is permitted throughout the zoo. You can take pictures of the animals and the grounds. Commercial photography—including photos for business use, advertising, or social media accounts with a large following—requires a permit from the zoo. If you are a content creator or influencer, contact the zoo's communications office before your visit.

Drones are not permitted on zoo grounds.

Frequently Asked Questions

Do I need to buy a ticket to enter the National Zoo?

No. The National Zoo is free to enter. You do not need a ticket, reservation, or membership. You can walk in during operating hours and stay as long as you want.

Can I bring my pet to the zoo?

Service animals are permitted. Pets are not. The zoo does not have a pet-sitting service, so you will need to leave your pet at home or arrange care elsewhere.

What time of year is best to visit?

Spring (April and May) and fall (September and October) offer mild weather and full access to outdoor exhibits. Summer is warm but crowded. Winter is quieter but some outdoor areas close or have limited hours. The best time depends on whether you prefer fewer crowds or seeing all the animals.

How long should I plan to spend at the zoo?

Most visitors spend two to four hours. If you want to see every exhibit and move slowly, plan for four to five hours. If you focus on a few major exhibits, two hours is enough. The size and hilly terrain mean you will walk more than you might expect.

Is there a map or app to help me navigate?

The zoo provides free printed maps at the entrance. The zoo also has a website with a digital map showing all exhibits and their locations. Some visitors use their phone's map app, but the zoo's official map is more detailed and shows which areas are currently open.