• Looking up at the Gateway Arch

    Jefferson

    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 bridge will be closed as of today Monday, March 31, 2014. This will leave the Pine St. bridge as the Arch grounds point of entry to and from the city. The new Walnut St. bridge will open next Friday to foot traffic.

Getting Ready for 2016

The National Park Service turns 100 on August 25, 2016. To us, it's not about cakes and candles — it's about being an organization ready to take on the challenges of our second century. Our blueprint to get there — A Call to Action — outlines the innovative work we want to accomplish. Jefferson National Expansion Memorial is a big part of this effort. Take a look at what we're doing locally and get involved!

 

Did You Know?

Cartoon grouse

The Lewis and Clark expedition sent back animals to President Jefferson from Ft. Mandan. Four magpies, a prairie dog, and a sharptailed grouse were sent back with Corporal Warfington. Unfortunately, only the prairie dog and one magpie survived the arduous journey. Learn more about the journey here. More...