The 630-foot Gateway Arch — the tallest in the world — gleaming over the Mississippi in St. Louis.
Photo: Daniel Schwen · CC BY-SA 4.0 · via Wikimedia Commons
Gateway Arch National Park centers on Eero Saarinen's 630-foot stainless-steel arch, the tallest in the world and the tallest man-made monument in the U.S., rising over the Mississippi riverfront in downtown St. Louis as a monument to America's westward expansion. (It was the Jefferson National Expansion Memorial until it became a national park in 2018.)
The signature experience is the tram ride to the top — unique egg-shaped pods climb inside the curving legs to a 630-foot observation deck with views stretching up to 30 miles. Below, a free, modern underground museum traces westward expansion and the Arch's construction, and the riverfront grounds connect to downtown.
The grounds are free; the tram and the riverboat cruises are ticketed (reserve the tram ahead — it sells out). Allow a few hours, and budget time for airport-style security to enter the Arch.
The 630-foot stainless-steel catenary curve — as wide at its base as it is tall — Saarinen's gleaming monument to the pioneers who pushed west from St. Louis.
Insider tipShoot it at golden hour when the steel catches warm light; for the full sweep, frame it from across the river in Illinois.
Plan a trip to this spot →Unique egg-shaped pods climb inside the Arch's legs (~4 minutes) to a 630-foot observation deck with sweeping views over the Mississippi and downtown.
Insider tipReserve online ahead — it sells out. The pods are snug, so note this if you're claustrophobic.
Plan a trip to this spot →A free, modern underground museum on westward expansion, the Arch's construction, and St. Louis history.
Insider tipFree and indoor — ideal if weather turns or tram times are sold out; allow about an hour.
Plan a trip to this spot →Sightseeing cruises on the Mississippi give the best water-level view of the Arch and skyline, generally March–November.
Insider tipA one-hour cruise is an easy add-on; buy ahead in peak season.
Plan a trip to this spot →Part of the park and the site of the Dred Scott case; it reopened in 2025 after renovation with new Dred & Harriet Scott exhibits.
Insider tipFree and a short walk from the Arch — confirm current hours before you go.
Plan a trip to this spot →Landscaped paths and reflecting ponds link the Arch to downtown via Luther Ely Smith Square.
Insider tipWalk the grounds for free at sunset; the Illinois riverfront has the best whole-arch vantage.
Plan a trip to this spot →Humid continental — hot, humid summers with frequent thunderstorms (June is wettest), and cold winters; rain is fairly even year-round (~42 in). Spring and fall are the most comfortable times to visit.
Downtown on the riverfront, off the interstate spine — but come prepared to park in a garage and pass security.
Off I-44/I-70/I-55 in downtown St. Louis. The grounds are free; the tram and riverboat are ticketed (buy ahead). Use nearby parking garages — there's no park lot — and budget time for airport-style security screening to enter the Arch.
No lodging in the park — stay in downtown St. Louis within walking distance.
Hotels within walking distance of the grounds, near Citygarden, Busch Stadium, and Laclede's Landing.
Booking tipThe most convenient base for a car-light visit.
Near Forest Park's free museums and the zoo, a short drive west.
Booking tipGood if you're pairing the Arch with Forest Park.
What does it cost?
The grounds and the underground museum are free. The tram to the top and the riverboat cruises are ticketed — reserve the tram ahead, as it regularly sells out.
What's the tram-to-the-top like?
You ride small, egg-shaped five-person pods inside the Arch's leg for about 4 minutes to the 630-foot observation deck. The pods are snug and enclosed — note this if you're claustrophobic.
Is the museum free?
Yes. The Museum at the Gateway Arch is free, underground beneath the Arch, with exhibits on westward expansion and the Arch's construction. Security screening still applies.
What's the Old Courthouse connection?
A few blocks away and part of the park, it's where the Dred Scott case was first heard. It reopened in 2025 with new Dred & Harriet Scott exhibits; admission is free — confirm hours.
Is there security screening?
Yes — airport-style screening is required to enter the Arch and reach the museum and tram. Arrive with extra time and travel light during busy periods.
When's the best time to go?
Spring and fall for the mildest weather. Weekday mornings are least crowded and the best bet for tram times.
Pick your vehicle, line up the stops on the way in and out, and carry the whole route in your pocket.
