From Interstate 95, take exit 182A (old exit 45A) to
Route 395; follow to the end (3-5 miles) on to
Route 1A – through Lucerne to Ellsworth (about 30 miles)
In Ellsworth, Route 1A will turn into Route 3
Continue on Route 3 past Wal-Mart through the town of Trenton to the head of Mount Desert Island (about 10 miles) where there will be a traffic light.
At this traffic light your route will change to 102
(stay to your right and continue through the light)
to Southwest Harbor (about 9 miles).
Smuggler's Den Campground will be on your right.
*It is a little less than 50 miles from 395 in Brewer to Smuggler’s Den in Southwest Harbor, although your route numbers change your direction is straight ahead all the way to Smuggler’s Den.
Boston, MA: 278 miles
New York, NY: 486 miles
Portland, ME: 172 miles
Calais, ME: 116 miles