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Jefferson National Expansion Memorial

Located in the state of Missouri

The Jefferson National Expansion Memorial is a park located in St. Louis, Missouri, near the starting point of the Lewis and Clark Expedition. It was designated as a National Memorial by Executive Order 7523, on December 21, 1935, and is maintained by the National Park Service (NPS).

  • Pets are allowed on most exterior areas – This is an urban environment
  • Parking areas and along paved roads
  • Must be restrained or kept on a leash no longer than 6 feet at all times.
  • Dogs must wear a collar with current tags at all times
  • Pick up after your dog at all times – Leave no trace

*Please see more details for leash info

  • Inside buildings and Historic Old Courthouse (unless service animal)
  • Never leave your pet unattended or alone inside a vehicle
  • Never off leash – unless inside a vehicle, tent, dog crate or other portable kennel
  • Untagged dogs or dogs with uncurrent tags
  • Excessive barking

*Please see more details for leash info

  • Extreme range of weather
  • Extreme heat
  • Ticks and biting insects
  • Do not drink from waterways
  • Bring plenty of drinking water

Leash Laws: Most parks require dogs to be on a leash in some or all areas, however, some parks allow dogs off leash in certain locations, please consult the parks website before going off leash, Thank you!

  • Consult the park website before traveling all information is to be used as a guide.
  • Respect local wildlife.
  • Leave no trace – What you bring in, you bring out.
  • If you are visiting during the hottest months of the year, a “palm test” is recommended before walking your dog – place your hand on the pavement for a minute and see if it is comfortable there. If the pavement feels hot to your palm, it will be hot to your dog’s paws.

(314) 655-1600

Jefferson National Expansion Memorial Website

Jefferson National Expansion Memorial Camping

Jefferson National Expansion Memorial Hiking

Jefferson National Expansion Memorial Volunteer

We do our best to keep all information current and accurate - If you see an error or think we have missed something please contact us directly.

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We do our best to keep all information current and accurate - If you see an error or think we have missed something please contact us directly.

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