National parks near Mastic, New York
Thousand Islands National Park is the closest national park to Mastic, New York — 292 mi (469 km) in a straight line, which works out to roughly 7 hr 21 min behind the wheel.
Nothing near Mastic gates the entrance itself, but 2 of the parks in range put a road, hike, or backcountry trip behind a permit or timed ticket.
Mastic has a population of about 15,481.
National parks near Mastic
| Park | Straight-line distance | Estimated drive | Realistic trip |
|---|---|---|---|
| Thousand Islands National Park | 292 mi (469 km) | 7 hr 21 min | Worth a longer road trip |
| Shenandoah National Park | 332 mi (535 km) | 8 hr 19 min | Worth a longer road trip |
| Acadia National Park | 340 mi (547 km) | 8 hr 30 min | Worth a longer road trip |
| Rouge National Park | 391 mi (629 km) | 9 hr 42 min | Worth a longer road trip |
| La Mauricie National Park | 414 mi (667 km) | 10 hr 16 min | Worth a longer road trip |
| Georgian Bay Islands National Park | 454 mi (730 km) | 11 hr 11 min | Worth a longer road trip |
| Cuyahoga Valley National Park | 455 mi (732 km) | 11 hr 13 min | Worth a longer road trip |
| Kejimkujik National Park | 460 mi (741 km) | 11 hr 20 min | Worth a longer road trip |
| New River Gorge National Park | 478 mi (770 km) | 11 hr 46 min | Worth a longer road trip |
| Point Pelee National Park | 508 mi (817 km) | 12 hr 28 min | Worth a longer road trip |
What to book before you leave Mastic
| Park | What needs booking | Covers | How |
|---|---|---|---|
| Shenandoah | Old Rag Mountain Tickets | One road or area | Timed reservation |
| Acadia | Cadillac Summit Road Vehicle Reservations | One road or area | Timed reservation |
Camping near Mastic
Within reach of Mastic, 14 campgrounds across 4 parks appear on Recreation.gov: 5 at New River Gorge, 4 at Shenandoah, 4 at Acadia, and 1 at Cuyahoga Valley.
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
Thousand Islands 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 Mastic 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 |
|---|---|---|
| Thousand Islands → Rouge | 165 mi (266 km) | 4 hr 22 min |
| Thousand Islands → La Mauricie | 222 mi (358 km) | 5 hr 43 min |
Planning a trip from Mastic
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 Suffolk County
Common questions
What is the closest national park to Mastic?
Thousand Islands National Park. It is about 292 mi (469 km) from Mastic, roughly 7 hr 21 min of driving.
Can I do a national park day trip from Mastic?
Not comfortably. The nearest parks are far enough that you will want at least one night away.
How many national parks are near Mastic?
10 parks are within reach of Mastic, 0 of them close enough for a day trip.
Do you need a reservation for the national parks near Mastic?
None of them gate the entrance itself. 2 put a specific road, hike, or backcountry trip behind a permit or timed ticket — Old Rag Mountain Tickets at Shenandoah and Cadillac Summit Road Vehicle Reservations at Acadia. These requirements are usually seasonal, so check the date you plan to arrive.
Where can you camp near Mastic?
Recreation.gov lists 14 campgrounds at the national parks within reach of Mastic. They are spread across 4 of those parks.
When is the best time to visit the parks near Mastic?
For Thousand Islands National Park, the closest one, generally May through October. Either side of that, April and early November stays quieter.