2.1 miles round trip
This trail begins at Lost Valley Campground. Features along the trail include waterfalls, towering cliffs, a large bluff shelter, a natural bridge, a cave and spring wildflowers. The cave is about 200 feet long and ends in a large room with a 35 foot waterfall. If you intend on entering the cave, make certain each person in your group is equipped with a flashlight. Dogs and other pets are not permitted on park trails.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.