National parks near Cool Valley, Missouri
Cool Valley sits inside the St. Louis area and reaches the same parks. See national parks near St. Louis for the full write-up.
Gateway Arch National Park is the closest national park to Cool Valley, Missouri — 10.2 mi (16.5 km) in a straight line, which works out to roughly 27 min behind the wheel.
Gateway Arch is close enough to visit on an ordinary afternoon.
Cool Valley has a population of about 1,187.
National parks near Cool Valley
| Park | Straight-line distance | Estimated drive | Realistic trip |
|---|---|---|---|
| Gateway Arch National Park | 10.2 mi (16.5 km) | 27 min | Right on your doorstep |
| Mammoth Cave National Park | 253 mi (407 km) | 6 hr 26 min | Worth a longer road trip |
| Indiana Dunes National Park | 263 mi (424 km) | 6 hr 41 min | Worth a longer road trip |
| Hot Springs National Park | 328 mi (528 km) | 8 hr 13 min | Worth a longer road trip |
| Great Smoky Mountains National Park | 430 mi (692 km) | 10 hr 37 min | Worth a longer road trip |
| Point Pelee National Park | 467 mi (752 km) | 11 hr 30 min | Worth a longer road trip |
| Cuyahoga Valley National Park | 495 mi (796 km) | 12 hr 10 min | Worth a longer road trip |
| New River Gorge National Park | 502 mi (807 km) | 12 hr 19 min | Worth a longer road trip |
| Congaree National Park | 631 mi (1015 km) | 15 hr 23 min | Worth a longer road trip |
| Bruce Peninsula National Park | 633 mi (1018 km) | 15 hr 25 min | Worth a longer road trip |
What to book before you leave Cool Valley
| Park | What needs booking | Covers | How |
|---|---|---|---|
| Great Smoky Mountains | Great Smoky Mountains National Park Parking Tag | Parking, not an entrance fee | Timed reservation |
Camping near Cool Valley
Within reach of Cool Valley, 50 campgrounds across 7 parks appear on Recreation.gov: 30 at Great Smoky Mountains, 5 at Mammoth Cave, 5 at Indiana Dunes, and 5 at New River Gorge, 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.
Seeing more than one
Several parks near Cool Valley are close enough to each other to combine on one trip, so the drive from home only has to happen once.
| Pair | Apart | Estimated drive |
|---|---|---|
| Mammoth Cave → Great Smoky Mountains | 179 mi (288 km) | 4 hr 41 min |
Planning a trip from Cool Valley
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 Saint Louis County
Common questions
What is the closest national park to Cool Valley?
Gateway Arch National Park. It is about 10.2 mi (16.5 km) from Cool Valley, roughly 27 min of driving.
Can I do a national park day trip from Cool Valley?
Yes — Gateway Arch National Park is within about a three-hour drive.
How many national parks are near Cool Valley?
10 parks are within reach of Cool Valley, 1 of them close enough for a day trip.
Do you need a reservation for the national parks near Cool Valley?
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 Cool Valley?
Recreation.gov lists 50 campgrounds at the national parks within reach of Cool Valley. They are spread across 7 of those parks.
When is the best time to visit the parks near Cool Valley?
For Gateway Arch National Park, the closest one, generally May through October. Either side of that, April and early November stays quieter.