Gateway Arch National Park

The smallest national park, and the tallest monument in the U.S.

The Arch is the park. Ride to the top, walk the grounds on the Mississippi, and give the museum downstairs more time than the photo. It is a city park with a national park badge Missouri.

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Location

38.62° N, 90.18° WOpen in OpenStreetMap

Must-see spots

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Best time to visit

April–October

Trip planner

A Gateway Arch National Park itinerary

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Field guide

Gateway Arch National Park is a U.S. National Park in Missouri. The smallest national park, and the tallest monument in the U.S.

When to go

April–October is the window most visitors aim for. Shoulder seasons mean fewer cars at trailheads. Winter can close roads; summer can fill parking lots by 8 a.m. Check NPS alerts the night before you drive in.

How to see it

Start with tram to the top with a timed ticket. Then museum under the Arch. If you have a second day, riverfront walk at dusk. Keep one spare hour for old Courthouse if it is open on your day.

Park practicalities

An America the Beautiful pass covers entry at most national parks. Timed-entry reservations are used at several busy parks in peak season — book those before lodging. Wildlife has the right of way; 25 yards from most animals, 100 yards from bears and wolves.

Pack this in your notes

Book the tram. Walk-up tickets disappear on weekends and holidays.
Download offline maps. Cell service drops in most parks.
Bring layers. Elevation and wind change the day faster than the forecast.
Enter the park early. Famous lots and shuttles fill first.

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Traveler reviews

Rate and review

Owen H.

8/10

Gateway Arch National Park is bigger than the postcard

Museum under the Arch. The smallest national park, and the tallest monument in the U.S. Crowds thin if you are moving at first light. April–October is the window I would book again.

Dec 5, 2025

Kenji T.

10/10

Start early in Gateway Arch National Park

Tram to the top with a timed ticket. Museum under the Arch. Give Gateway Arch National Park days, not hours, and go in April–October. The trailhead line is the tax; the quiet after it is the park.

Nov 4, 2025

Ines D.

10/10

Start early in Gateway Arch National Park

Riverfront walk at dusk. Old Courthouse if it is open on your day. Give Gateway Arch National Park days, not hours, and go in April–October. The trailhead line is the tax; the quiet after it is the park.

Jan 6, 2025