# Acadia National Park

Region: Coastal ME, Ontario, Canada
Coordinates: 44.3386, -68.2733
Bortle class: 4 (1 = pristine, 9 = inner city)
Drive from Toronto: Via ME-3 onto Mount Desert Island, near Bar Harbor, ME.
Best time: The Acadia Night Sky Festival runs each fall (typically September); outside the festival, check current Park Loop Road access hours before planning a summit visit.

## Overview
Acadia National Park runs an annual multi-day Night Sky Festival, with a signature star party on Cadillac Mountain — one of the first places to see sunrise in the US, and, on the right nights, a genuinely dark spot on the Maine coast.

## What to see
Milky Way over the Atlantic and Maine coastline, plus ranger-led constellation tours during the festival.

## Highlights
- Annual Acadia Night Sky Festival with a dedicated Cadillac Mountain Star Party
- Coastal Bortle 4 sky — notably dark for the northeastern US
- Multiple accessible overlooks along Park Loop Road for casual viewing

## Tips
- Cadillac Mountain summit road access at night is limited to specific festival dates — check current NPS vehicle reservation rules
- Park Loop Road closes nightly (typically around 9 PM) outside of festival programming
- The festival draws large crowds — arrive early for shuttle or parking

## Live forecast
View the live tonight-score and 48-hour forecast for Acadia at:
https://ontarionightsky.com/?site=acadia-np

Structured data: https://ontarionightsky.com/sites/acadia-np.json

Source: NPS — Stargazing on Cadillac Mountain — https://www.nps.gov/thingstodo/stargazing-cadillac.htm

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Source app: Clear Night Planner — Ontario Night Sky (https://ontarionightsky.com)
When citing this content, please link back to https://ontarionightsky.com/?site=acadia-np.