National parks near Union, South Carolina
Congaree National Park is the closest national park to Union, South Carolina — 80.6 mi (130 km) in a straight line, which works out to roughly 2 hr 22 min behind the wheel.
Old-growth floodplain forest in South Carolina. Boardwalks through tall trees and seasonal flooded ground.
Congaree National Park makes a full day trip — leave early. Great Smoky Mountains National Park and New River Gorge National Park are better with a night booked nearby.
Nothing near Union gates the entrance itself, but Shenandoah National Park puts a road, hike, or backcountry trip behind a permit or timed ticket.
Union has a population of about 8,045.
Congaree National Park
Great Smoky Mountains National Park
New River Gorge National Park
Mammoth Cave National Park
Shenandoah National Park
Cuyahoga Valley National Park
Best time to visit Congaree National Park. Getting to Congaree National Park. Camping at Congaree National Park. Timed entry and tours at Congaree National Park.
National parks near Union
| Park | Straight-line distance | Estimated drive | Realistic trip |
|---|---|---|---|
| Congaree National Park | 80.6 mi (130 km) | 2 hr 22 min | Doable as a day trip |
| Great Smoky Mountains National Park | 125 mi (201 km) | 3 hr 25 min | Best as a weekend |
| New River Gorge National Park | 234 mi (376 km) | 5 hr 59 min | Best as a weekend |
| Mammoth Cave National Park | 303 mi (488 km) | 7 hr 37 min | Worth a longer road trip |
| Shenandoah National Park | 320 mi (515 km) | 8 hr 1 min | Worth a longer road trip |
| Cuyahoga Valley National Park | 451 mi (726 km) | 11 hr 7 min | Worth a longer road trip |
| Point Pelee National Park | 504 mi (810 km) | 12 hr 22 min | Worth a longer road trip |
| Gateway Arch National Park | 545 mi (877 km) | 13 hr 21 min | Worth a longer road trip |
| Indiana Dunes National Park | 563 mi (906 km) | 13 hr 46 min | Worth a longer road trip |
| Biscayne National Park | 633 mi (1019 km) | 15 hr 26 min | Worth a longer road trip |
What to book before you leave Union
| 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 |
| Shenandoah National Park | Old Rag Mountain Tickets | One road or area | Timed reservation |
Camping near Union
Within reach of Union, 55 campgrounds across 8 parks appear on Recreation.gov: 30 at Great Smoky Mountains National Park, 5 at New River Gorge National Park, 5 at Mammoth Cave National Park, and 5 at Indiana Dunes National Park, 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
Congaree National Park is generally best March through May, then September through November, with February and December as the quieter shoulder either side.
Midsummer is hot, humid, and buggy; winter is mild and one of the better times to visit.
Biting insects and afternoon storms dominate summer. Repellent and a rain shell matter more than warm layers.
Seeing more than one
Several parks near Union 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 |
|---|---|---|
| Congaree → Great Smoky Mountains | 202 mi (325 km) | 5 hr 14 min |
| Great Smoky Mountains → New River Gorge | 218 mi (351 km) | 5 hr 37 min |
Planning a trip from Union
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.
Common questions
What is the closest national park to Union?
Congaree National Park. It is about 80.6 mi (130 km) from Union, roughly 2 hr 22 min of driving.
Can I do a national park day trip from Union?
Yes — Congaree National Park is within about a three-hour drive.
How many national parks are near Union?
10 parks are within reach of Union, and 1 of them is close enough for a day trip.
Do you need a reservation for the national parks near Union?
None of them gate the entrance itself. Shenandoah National Park puts a specific road, hike, or backcountry trip behind a permit or timed ticket — Old Rag Mountain Tickets at Shenandoah National Park. These requirements are usually seasonal, so check the date you plan to arrive.
Where can you camp near Union?
Recreation.gov lists 55 campgrounds at the national parks within reach of Union. They are spread across 8 of those parks.
When is the best time to visit the parks near Union?
For Congaree National Park, the closest one, generally March through May, then September through November. Either side of that, February and December stays quieter.