National parks near Union City, Tennessee
Gateway Arch National Park is the closest national park to Union City, Tennessee — 164 mi (263 km) in a straight line, which works out to roughly 4 hr 20 min behind the wheel.
Gateway Arch and Mammoth Cave are better with a night booked nearby.
Nothing near Union City gates the entrance itself, but Shenandoah National Park puts a road, hike, or backcountry trip behind a permit or timed ticket.
Union City has a population of about 10,573.
National parks near Union City
| Park | Straight-line distance | Estimated drive | Realistic trip |
|---|---|---|---|
| Gateway Arch National Park | 164 mi (263 km) | 4 hr 20 min | Best as a weekend |
| Mammoth Cave National Park | 172 mi (277 km) | 4 hr 31 min | Best as a weekend |
| Hot Springs National Park | 260 mi (419 km) | 6 hr 37 min | Worth a longer road trip |
| Great Smoky Mountains National Park | 313 mi (503 km) | 7 hr 51 min | Worth a longer road trip |
| Indiana Dunes National Park | 375 mi (604 km) | 9 hr 20 min | Worth a longer road trip |
| New River Gorge National Park | 453 mi (729 km) | 11 hr 10 min | Worth a longer road trip |
| Congaree National Park | 502 mi (808 km) | 12 hr 20 min | Worth a longer road trip |
| Point Pelee National Park | 519 mi (835 km) | 12 hr 44 min | Worth a longer road trip |
| Cuyahoga Valley National Park | 523 mi (842 km) | 12 hr 50 min | Worth a longer road trip |
| Shenandoah National Park | 604 mi (973 km) | 14 hr 45 min | Worth a longer road trip |
What to book before you leave Union City
| Park | What needs booking | Covers | How |
|---|---|---|---|
| Great Smoky Mountains | Great Smoky Mountains National Park Parking Tag | Parking, not an entrance fee | Timed reservation |
| Shenandoah | Old Rag Mountain Tickets | One road or area | Timed reservation |
Camping near Union City
Within reach of Union City, 54 campgrounds across 8 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 4 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 Union City 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 Union City
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 Obion County
Common questions
What is the closest national park to Union City?
Gateway Arch National Park. It is about 164 mi (263 km) from Union City, roughly 4 hr 20 min of driving.
Can I do a national park day trip from Union City?
Not comfortably. The nearest parks are far enough that you will want at least one night away.
How many national parks are near Union City?
10 parks are within reach of Union City, 0 of them close enough for a day trip.
Do you need a reservation for the national parks near Union City?
None of them gate the entrance itself. 1 put a specific road, hike, or backcountry trip behind a permit or timed ticket — Old Rag Mountain Tickets at Shenandoah. These requirements are usually seasonal, so check the date you plan to arrive.
Where can you camp near Union City?
Recreation.gov lists 54 campgrounds at the national parks within reach of Union City. They are spread across 8 of those parks.
When is the best time to visit the parks near Union City?
For Gateway Arch National Park, the closest one, generally May through October. Either side of that, April and early November stays quieter.