National Park
Acadia
Best primary window for Acadia: May, with April and June as strong shoulder months.
State Hub
National Park Sites in Maine
Maine has 1 national park on the official list of 63 (as of Oct 19, 2026) and 4 other National Park Service sites. National parks: Acadia National Park. The other sites include 1 international historic site, 1 international park, 1 national monument (Katahdin Woods and Waters National Monument), and 1 national scenic trail.
1National parks
5NPS sites
This state hub exists to compare National Park Service places in Maine by available source and seasonal signals.
National parks in Maine
Featured Places
Explore top destinations across the state.
National Scenic Trail
Appalachian
Best primary window for Appalachian: May, with April and June as strong shoulder months.
National Monument
Katahdin Woods and Waters
Best primary window for Katahdin Woods and Waters: May, with April and June as strong shoulder months.
International Park
Roosevelt Campobello
Best primary window for Roosevelt Campobello: May, with April and June as strong shoulder months.
International Historic Site
Saint Croix Island
Best primary window for Saint Croix Island: May, with April and June as strong shoulder months.
All Places
Compare available seasonal planning briefs and source status for NPS places in this state.
National Park
Acadia
Best primary window for Acadia: May, with April and June as strong shoulder months.
National Scenic Trail
Appalachian
Best primary window for Appalachian: May, with April and June as strong shoulder months.
National Monument
Katahdin Woods and Waters
Best primary window for Katahdin Woods and Waters: May, with April and June as strong shoulder months.
International Park
Roosevelt Campobello
Best primary window for Roosevelt Campobello: May, with April and June as strong shoulder months.
International Historic Site
Saint Croix Island
Best primary window for Saint Croix Island: May, with April and June as strong shoulder months.
NPS designations in Maine
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