Another in a series of historic hiking trail highlights leading up to the Acadia Centennial
Dating back to the late 1800s, the trail to South Bubble and its precariously perched 100-ton Bubble Rock has lured scientists, artists, outdoor enthusiasts and first-time visitors for generations, long before the area was protected as Acadia National Park.
Eons of geological forces are laid bare there if you know what clues to look for, as a ranger-led “Mountain Mysteries” program reveals during the summer months.
In fact, Bubble Rock was one of those clues that led 19th century scientist Louis Agassiz to theorize that massive glaciers once covered the earth and pushed big boulders around, not floods of biblical proportions as had been previously thought.
The moderate 1-mile round-trip hike starts from the Bubble Rock parking area and Island Explorer bus stop and takes you first along the Bubbles Divide Trail, the historic route that goes between the South Bubble and North Bubble, then up the lower of the twin mountains. Continue reading





