Acadia
Granite peaks meet the Atlantic on Maine's rocky coast.
1 national park in Maine
Maine's National Park
Maine is home to Acadia National Park. Granite peaks meet the Atlantic on Maine's rocky coast.
The best time to visit Acadia National Park is June and September–October. For great conditions with fewer people, aim for June. It's busiest in July through October.
About the park
Questions
How many national parks are in Maine?
Maine has 1 national park: Acadia National Park.
When is the best time to visit national parks in Maine?
The best time to visit Acadia National Park is June and September–October. For great conditions with fewer people, aim for June. It's busiest in July through October.
Last reviewed October 4, 2026. Ratings are editorial. Rules and road openings change each year, so confirm on the official NPS site before you go.