Fact sheet · Midwest

Gateway Arch National Park

Unit code JEFF. Figures retrieved 2026-11-06. Official alerts, fees, and closures are not copied here.

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States on the system list: Missouri, Illinois

Guide region: Midwest. Editorial grouping of the state that contains the centroid, or the first listed state when the point is offshore.

Anniversary-table date: December 21, 1935

Table note: renamed from Jefferson National Expansion Memorial; Gateway Arch Arch authorized 1954

Gross area acres: 192.83

NPS fee acres: 83.63. Report date September 30, 2026. Gross area is not the same column as fee ownership.

Boundary centroid: 38.6235, -90.1754

Containing shoreline polygon: Illinois. Not an entrance.

Recreation-visit record: Highest monthly mean is in June, July, or August

Highest mean: July. Lowest mean: January. Mean annual total across complete years: 1,718,632 (10 complete years).

On the Chiricahua FAQ, the National Park Service lists Gateway Arch (2018) among recent redesignations. That sentence does not give a month or a day. It is not a substitute for the anniversaries table.

The monthly record

Mean of reported recreation visits by calendar month, 2016–2025. Gold is the lowest mean and rust is the highest. A missing bar was not reported. This is a historic average, not a live crowd count.

Monthly recreation-visit record
Month	Mean	Lowest year	Highest year	Years in the mean
January	41,648	16,552	81,397	10
February	51,415	8,387	95,271	10
March	126,786	8,387	236,061	10
April	122,966	30,000	209,455	10
May	145,356	31,000	227,381	10
June	212,411	50,905	309,799	10
July	414,375	33,748	634,978	10
August	195,948	31,610	322,088	10
September	125,548	32,146	184,624	10
October	117,225	44,372	181,075	10
November	90,772	33,888	146,410	10
December	74,183	29,529	119,343	10

How to use this fact sheet

This is a fact sheet. Every figure is tied to the sources under it. It is not a trail guide, a fee table, or a conditions report.

Official pages

These links were checked when the site was built. A working link is not a live feed. If a standard address did not respond, it is omitted.

Nearest other national parks

Distances are great-circle miles between boundary centroids. They are not road distances or travel times.

Mammoth Cave National Park — about 242 straight-line miles between boundary centroids.
Indiana Dunes National Park — about 267 straight-line miles between boundary centroids.
Hot Springs National Park — about 324 straight-line miles between boundary centroids.