Maine · 7 sites
National parks, monuments & historic sites in Maine
Maine is home to 7 sites managed by the National Park Service, including 2 marquee national parks — Acadia and Roosevelt Campobello International Park. Beyond the big-name parks you'll find 2 national monuments and 1 historic site that most visitors overlook — and that's where some of the best trips hide. Every listing below pulls real, current hours, entrance fees, alerts, and reservation requirements straight from the National Park Service, paired with honest planning notes so you can decide what's actually worth your time.
7
Total NPS sites
2
National Parks
2
National Monuments
1
Historic sites
National Parks in Maine
The crown jewels — full National Park units in Maine. These are the destinations worth building a trip around.
National Monuments in Maine
National Monuments protect a single landmark, landscape, or archaeological feature. Maine has 2 — usually cheaper, quieter, and faster to visit than a full park.
Historic Sites & Memorials in Maine
Battlefields, memorials, and places where American history happened. Most are free, take a few hours, and reward visitors who do a little reading first.
Seashores, Recreation Areas & Preserves in Maine
Seashores, lakeshores, recreation areas, preserves, and scenic rivers — public lands built for time outside rather than a checklist visit.
Other Public Lands in Maine
Additional NPS-managed sites in Maine.
Frequently asked questions about Maine's parks
How many national parks are in Maine?
- Maine has 2 full National Park units: Acadia National Park, Roosevelt Campobello International Park. In total the National Park Service manages 7 sites in the state when you include monuments, historic sites, and recreation areas.
What's the difference between a national park, monument, and historic site in Maine?
- A National Park is established by Congress to protect a large landscape with multiple resources — think Yellowstone or Acadia. A National Monument is created by presidential proclamation to protect a specific landmark or feature and is usually smaller. A National Historic Site preserves a single place tied to American history. All three are managed by the National Park Service, but they vary widely in size, fees, and what there is to do.
Which national monuments are in Maine?
- Maine has 2 national monuments: Frances Perkins National Monument, Katahdin Woods and Waters National Monument.
Are there historic sites worth visiting in Maine?
- Yes — Maine has 1 NPS-managed historic site, memorial, or battlefield. The most-visited include Saint Croix Island International Historic Site. Most are free or have a low entrance fee and can be done in a half-day.
Do I need a reservation to visit parks in Maine?
- It depends on the site. A handful of marquee national parks now require timed-entry reservations during peak season, and most campgrounds book out months ahead on Recreation.gov. Monuments and historic sites almost never require reservations. Check the individual park page for the current rules before you go — we keep it synced daily.
When is the best time to visit Maine's national parks?
- Spring (April–May) and fall (September–October) generally offer the best mix of weather, lower crowds, and full access. Summer is the busiest by far at every marquee park. Winter cuts crowds dramatically but closes roads and facilities at higher elevations.
Is the America the Beautiful pass worth it for Maine?
- If you'll visit more than three fee-charging sites in a year — anywhere in the U.S., not just Maine — the $80 annual America the Beautiful pass pays for itself. It covers entrance fees at every NPS site and most federal recreation lands. Seniors (62+), active military, fourth-graders, and people with permanent disabilities qualify for free or discounted versions.
Keep exploring
Browse parks in other states or jump back to the full directory.