Photo: Fredlyfish4, CC BY-SA 4.0
Driving Acadia's Cadillac Summit Road needs a vehicle reservation from May 20 to Oct 25, 2026. 30% of slots open 90 days ahead; the rest, two days before.
Last checked 13 Sep 2026. Source: National Park Service (nps.gov).
- Act on this
Driving to the summit needs its own vehicle reservation
A vehicle reservation is required for Cadillac Summit Road from May 20 through October 25, 2026, and it is separate from the park entrance pass.
What to do: Reserve a vehicle slot before driving up, and budget for both the reservation and the pass.
- Act on this
70% of sunrise slots only appear two days ahead
Thirty percent of sunrise and daytime vehicle reservations are released 90 days ahead at 10 AM ET; the other seventy percent are released two days before the reservation date.
What to do: If the 90-day batch is sold out, be back at 10 AM ET two days before.
Planning a trip to Acadia National Park?
RTour plans the route, the nights in each place and a day-by-day schedule, and works out every leg by train, car and plane.
Plan a trip to Acadia National ParkAcross other places
Also in US national parks and monuments
Rules like these change, sometimes at short notice. Confirm with the source before you book — RTour plans trips and does not sell tickets.