National parks near Union, Ohio
Union sits inside the Dayton area and reaches the same parks. See national parks near Dayton for the full write-up.
Point Pelee National Park is the closest national park to Union, Ohio — 171 mi (275 km) in a straight line, which works out to roughly 4 hr 30 min behind the wheel.
Point Pelee, Cuyahoga Valley, Indiana Dunes, Mammoth Cave, and New River Gorge 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 6,461.
National parks near Union
| Park | Straight-line distance | Estimated drive | Realistic trip |
|---|---|---|---|
| Point Pelee National Park | 171 mi (275 km) | 4 hr 30 min | Best as a weekend |
| Cuyahoga Valley National Park | 172 mi (277 km) | 4 hr 31 min | Best as a weekend |
| Indiana Dunes National Park | 189 mi (304 km) | 4 hr 55 min | Best as a weekend |
| Mammoth Cave National Park | 211 mi (339 km) | 5 hr 26 min | Best as a weekend |
| New River Gorge National Park | 214 mi (345 km) | 5 hr 31 min | Best as a weekend |
| Great Smoky Mountains National Park | 299 mi (481 km) | 7 hr 32 min | Worth a longer road trip |
| Gateway Arch National Park | 326 mi (525 km) | 8 hr 10 min | Worth a longer road trip |
| Shenandoah National Park | 332 mi (535 km) | 8 hr 19 min | Worth a longer road trip |
| Rouge National Park | 382 mi (614 km) | 9 hr 29 min | Worth a longer road trip |
| Bruce Peninsula National Park | 393 mi (632 km) | 9 hr 45 min | Worth a longer road trip |
What to book before you leave Union
| 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
Within reach of Union, 50 campgrounds across 6 parks appear on Recreation.gov: 30 at Great Smoky Mountains, 5 at Indiana Dunes, 5 at Mammoth Cave, and 5 at New River Gorge, plus 2 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
Point Pelee 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 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 |
|---|---|---|
| Point Pelee → Cuyahoga Valley | 71.1 mi (114 km) | 2 hr 8 min |
| Cuyahoga Valley → New River Gorge | 220 mi (355 km) | 5 hr 40 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.
Other towns in Montgomery County
Common questions
What is the closest national park to Union?
Point Pelee National Park. It is about 171 mi (275 km) from Union, roughly 4 hr 30 min of driving.
Can I do a national park day trip from Union?
Not comfortably. The nearest parks are far enough that you will want at least one night away.
How many national parks are near Union?
10 parks are within reach of Union, 0 of them close enough for a day trip.
Do you need a reservation for the national parks near Union?
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?
Recreation.gov lists 50 campgrounds at the national parks within reach of Union. They are spread across 6 of those parks.
When is the best time to visit the parks near Union?
For Point Pelee National Park, the closest one, generally May through October. Either side of that, April and early November stays quieter.