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The brick arcade of the Saint Louis Zoo's north-east entrance with flower baskets and green roofs behind.
Free entry

Bohao Zhao · CC BY 3.0 · Source

Saint Louis Zoo

The Saint Louis Zoo is a zoo in Forest Park, established in 1910 after the city bought the walk-through Flight Cage built for the 1904 World's Fair. Its areas hold elephants, great apes, big cats, penguins, sea lions and reptiles among other animals, and the narrow-gauge Emerson Zooline Railroad runs around the grounds.

Good to know

Opening hours
Mon–Sun 09:00–16:00
Price
Free entry

Hours checked October 15, 2026 · source stlzoo.org

When to go

Today’s hoursAll weekHide week
Mon09:00–16:00
Tue09:00–16:00
Wed09:00–16:00
Thu09:00–16:00
Fri09:00–16:00
Sat09:00–16:00
Sun09:00–16:00

Nearby

Saint Louis Art Museum

art museum

Forest Park

park

Missouri History Museum

museum

Frequently asked questions

Is Saint Louis Zoo free?

Yes. Entry to Saint Louis Zoo is free.

What are the opening hours of Saint Louis Zoo?

Opening hours: Mon–Sun 09:00–16:00.

Free entry

Official site

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