National parks near Washington, Missouri
Gateway Arch National Park is the closest national park to Washington, Missouri — 45.1 mi (72.6 km) in a straight line, which works out to roughly 1 hr 30 min behind the wheel.
The stainless-steel arch on the St. Louis riverfront, plus a small museum and grounds. An urban national park.
Gateway Arch National Park makes a full day trip — leave early.
Washington has a population of about 14,050.
Gateway Arch National Park
Mammoth Cave National Park
Indiana Dunes National Park
Hot Springs National Park
Great Smoky Mountains National Park
Point Pelee National Park
Best time to visit Gateway Arch National Park. Getting to Gateway Arch National Park.
National parks near Washington
| Park | Straight-line distance | Estimated drive | Realistic trip |
|---|---|---|---|
| Gateway Arch National Park | 45.1 mi (72.6 km) | 1 hr 30 min | Doable as a day trip |
| Mammoth Cave National Park | 284 mi (457 km) | 7 hr 10 min | Worth a longer road trip |
| Indiana Dunes National Park | 297 mi (478 km) | 7 hr 29 min | Worth a longer road trip |
| Hot Springs National Park | 301 mi (484 km) | 7 hr 35 min | Worth a longer road trip |
| Great Smoky Mountains National Park | 459 mi (738 km) | 11 hr 18 min | Worth a longer road trip |
| Point Pelee National Park | 506 mi (814 km) | 12 hr 25 min | Worth a longer road trip |
| Cuyahoga Valley National Park | 534 mi (860 km) | 13 hr 6 min | Worth a longer road trip |
| New River Gorge National Park | 539 mi (868 km) | 13 hr 13 min | Worth a longer road trip |
| Congaree National Park | 659 mi (1060 km) | 16 hr 2 min | Worth a longer road trip |
| Bruce Peninsula National Park | 667 mi (1073 km) | 16 hr 14 min | Worth a longer road trip |
What to book before you leave Washington
| Park | What needs booking | Covers | How |
|---|---|---|---|
| Great Smoky Mountains National Park | Great Smoky Mountains National Park Parking Tag | Parking, not an entrance fee | Timed reservation |
Camping near Washington
Within reach of Washington, 50 campgrounds across 7 parks appear on Recreation.gov: 30 at Great Smoky Mountains National Park, 5 at Mammoth Cave National Park, 5 at Indiana Dunes National Park, and 5 at New River Gorge National Park, plus 3 more parks with fewer sites.
Recreation.gov releases most national park campsites six months before the arrival date, at 10:00 a.m. Eastern time. Windows are set per campground, so confirm yours on the Seasons and Fees tab on that campground page.
Once a date is gone, cancellations are the real supply, and they get taken within minutes of appearing.
When to make this trip
Gateway Arch National Park is generally best May through October, with April and early November as the quieter shoulder either side.
Winter brings cold, shorter days, and reduced services, though lower-elevation trails often stay walkable.
Peak summer weekends and autumn colour weekends fill parking lots early — arrive before mid-morning.
Planning a trip from Washington
Distances here are straight-line and the drive estimate adds a road factor on top, but mountain passes and seasonal closures can change it a lot — a route that looks like three hours in June can be shut entirely in February. Confirm road status with the park before you commit to a date.
Other towns in Franklin County
Common questions
What is the closest national park to Washington?
Gateway Arch National Park. It is about 45.1 mi (72.6 km) from Washington, roughly 1 hr 30 min of driving.
Can I do a national park day trip from Washington?
Yes — Gateway Arch National Park is within about a three-hour drive.
How many national parks are near Washington?
10 parks are within reach of Washington, and 1 of them is close enough for a day trip.
Do you need a reservation for the national parks near Washington?
None of them gate the entrance itself. These requirements are usually seasonal, so check the date you plan to arrive.
Where can you camp near Washington?
Recreation.gov lists 50 campgrounds at the national parks within reach of Washington. They are spread across 7 of those parks.
When is the best time to visit the parks near Washington?
For Gateway Arch National Park, the closest one, generally May through October. Either side of that, April and early November stays quieter.