Parks Manager

National parks near Portsmouth, Rhode Island

Portsmouth sits inside the Warwick area and reaches the same parks. See national parks near Warwick for the full write-up.

Acadia National Park is the closest national park to Portsmouth, Rhode Island — 244 mi (393 km) in a straight line, which works out to roughly 6 hr 14 min behind the wheel.

Nothing near Portsmouth gates the entrance itself, but 2 of the parks in range put a road, hike, or backcountry trip behind a permit or timed ticket.

Portsmouth has a population of about 17,756.

National parks near Portsmouth

Parks ranked by distance from Portsmouth
ParkStraight-line distanceEstimated driveRealistic trip
Acadia National Park244 mi (393 km)6 hr 14 minWorth a longer road trip
Thousand Islands National Park304 mi (489 km)7 hr 39 minWorth a longer road trip
Kejimkujik National Park361 mi (581 km)8 hr 59 minWorth a longer road trip
La Mauricie National Park369 mi (594 km)9 hr 11 minWorth a longer road trip
Fundy National Park419 mi (674 km)10 hr 22 minWorth a longer road trip
Shenandoah National Park431 mi (694 km)10 hr 39 minWorth a longer road trip
Rouge National Park435 mi (701 km)10 hr 45 minWorth a longer road trip
Kouchibouguac National Park477 mi (768 km)11 hr 45 minWorth a longer road trip
Georgian Bay Islands National Park489 mi (787 km)12 hr 1 minWorth a longer road trip
Pituamkek National Park506 mi (815 km)12 hr 26 minWorth a longer road trip

What to book before you leave Portsmouth

Reservations needed at parks near Portsmouth
ParkWhat needs bookingCoversHow
AcadiaCadillac Summit Road Vehicle ReservationsOne road or areaTimed reservation
ShenandoahOld Rag Mountain TicketsOne road or areaTimed reservation

Camping near Portsmouth

Within reach of Portsmouth, 8 campgrounds across 2 parks appear on Recreation.gov: 4 at Acadia and 4 at Shenandoah.

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.

Month-by-month detail for Acadia National Park

Seeing more than one

Several parks near Portsmouth are close enough to each other to combine on one trip, so the drive from home only has to happen once.

Distances between parks near Portsmouth
PairApartEstimated drive
Kejimkujik → Fundy84 mi (135 km)2 hr 26 min
Acadia → Kejimkujik148 mi (238 km)3 hr 57 min
Acadia → Fundy181 mi (292 km)4 hr 44 min
Thousand Islands → La Mauricie222 mi (358 km)5 hr 43 min

Planning a trip from Portsmouth

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.

Read the Acadia National Park guide

Other towns in Newport County

Common questions

What is the closest national park to Portsmouth?

Acadia National Park. It is about 244 mi (393 km) from Portsmouth, roughly 6 hr 14 min of driving.

Can I do a national park day trip from Portsmouth?

Not comfortably. The nearest parks are far enough that you will want at least one night away.

How many national parks are near Portsmouth?

10 parks are within reach of Portsmouth, 0 of them close enough for a day trip.

Do you need a reservation for the national parks near Portsmouth?

None of them gate the entrance itself. 2 put a specific road, hike, or backcountry trip behind a permit or timed ticket — Cadillac Summit Road Vehicle Reservations at Acadia and Old Rag Mountain Tickets at Shenandoah. These requirements are usually seasonal, so check the date you plan to arrive.

Where can you camp near Portsmouth?

Recreation.gov lists 8 campgrounds at the national parks within reach of Portsmouth. They are spread across 2 of those parks.

When is the best time to visit the parks near Portsmouth?

For Acadia National Park, the closest one, generally May through October. Either side of that, April and early November stays quieter.