National parks near South Portland, Maine
Acadia National Park is the closest national park to South Portland, Maine — 112 mi (181 km) in a straight line, which works out to roughly 3 hr 6 min behind the wheel.
Acadia is better with a night booked nearby.
Nothing near South Portland gates the entrance itself, but Acadia National Park puts a road, hike, or backcountry trip behind a permit or timed ticket.
South Portland has a population of about 25,556.
National parks near South Portland
| Park | Straight-line distance | Estimated drive | Realistic trip |
|---|---|---|---|
| Acadia National Park | 112 mi (181 km) | 3 hr 6 min | Best as a weekend |
| Kejimkujik National Park | 255 mi (410 km) | 6 hr 29 min | Worth a longer road trip |
| La Mauricie National Park | 255 mi (411 km) | 6 hr 30 min | Worth a longer road trip |
| Thousand Islands National Park | 288 mi (463 km) | 7 hr 16 min | Worth a longer road trip |
| Fundy National Park | 293 mi (472 km) | 7 hr 23 min | Worth a longer road trip |
| Kouchibouguac National Park | 339 mi (545 km) | 8 hr 28 min | Worth a longer road trip |
| Pituamkek National Park | 376 mi (604 km) | 9 hr 20 min | Worth a longer road trip |
| Prince Edward Island National Park | 399 mi (642 km) | 9 hr 53 min | Worth a longer road trip |
| Rouge National Park | 449 mi (722 km) | 11 hr 4 min | Worth a longer road trip |
| Forillon National Park | 459 mi (739 km) | 11 hr 19 min | Worth a longer road trip |
What to book before you leave South Portland
| Park | What needs booking | Covers | How |
|---|---|---|---|
| Acadia | Cadillac Summit Road Vehicle Reservations | One road or area | Timed reservation |
Camping near South Portland
Within reach of South Portland, 4 campgrounds across 1 park appear on Recreation.gov: 4 at Acadia.
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
Acadia 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 South Portland 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 |
|---|---|---|
| Kejimkujik → Fundy | 84 mi (135 km) | 2 hr 26 min |
| Acadia → Kejimkujik | 148 mi (238 km) | 3 hr 57 min |
| Acadia → Fundy | 181 mi (292 km) | 4 hr 44 min |
| La Mauricie → Thousand Islands | 222 mi (358 km) | 5 hr 43 min |
Planning a trip from South Portland
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 Cumberland County
Common questions
What is the closest national park to South Portland?
Acadia National Park. It is about 112 mi (181 km) from South Portland, roughly 3 hr 6 min of driving.
Can I do a national park day trip from South Portland?
Not comfortably. The nearest parks are far enough that you will want at least one night away.
How many national parks are near South Portland?
10 parks are within reach of South Portland, 0 of them close enough for a day trip.
Do you need a reservation for the national parks near South Portland?
None of them gate the entrance itself. 1 put a specific road, hike, or backcountry trip behind a permit or timed ticket — 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 South Portland?
Recreation.gov lists 4 campgrounds at the national parks within reach of South Portland. All of them are at Acadia National Park.
When is the best time to visit the parks near South Portland?
For Acadia National Park, the closest one, generally May through October. Either side of that, April and early November stays quieter.