• Looking up at the Gateway Arch


    National Expansion Memorial Missouri

There are park alerts in effect.
hide Alerts »
  • Pedestrian Access to the Gateway Arch From Downtown

    Pedestrian traffic on the Chestnut, Market St. and Pine St. bridges are closed. This leaves Walnut St. as the only point of entry to the Arch grounds from the city. If you park in the Arch garage there is access from the north end of the park. See maps. More »

Contact Us

Jefferson National Expansion Memorial
11 North 4th Street
St. Louis, Missouri 63102

Tickets: 877-982-1410 (voice)
Information: 314-655-1700 (voice)
FAX: 314-655-1641
Missouri Relay TDY: 1-800-735-2966 (voice)

Email-this email address is currently experiencing difficulties. Please contact the park via phone until it is fixed.

The Old Courthouse with yellow flowers blooming in front.
The Old Courthouse looking west from Luther Ely Smith Square.

Did You Know?

Dinosaur cartoon

On September 10, 1804 on Cedar Island, in South Dakota, William Clark discovered the fossilized remains of the ribs, backbone and teeth of a plesiosaur. Plesiosaurs were animals who lived at the same time as the dinosaurs, but swam rather than walking on land. Clark thought it was a giant fish bone! More...