St. Louis Region
Gateway Arch details start with the National Park Service
Gateway Arch National Park sits in St. Louis City, but visit rules, security, tickets, and park interpretation should be checked with the National Park Service.
The Gateway Arch is central St. Louis City Color, but it is not a City park. Gateway Arch National Park is a National Park Service site in St. Louis.
That distinction helps visitors and residents use the right source. For security screening, tram timing, ticket links, museum details, Old Courthouse access, and interpretive history, start with NPS. For nearby streets, parking rules, City services, or local events outside the park, check the City or the relevant local operator.
This keeps a famous place from becoming vague tourism copy. The useful question is always: which agency controls the thing I am trying to do?
References
Where this fits: this note belongs to St. Louis City. See every local note for the county on its page.