Bubble Rock

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Instagram Name: @propeakphotos

Though it appears ready to topple over the side of the mountain, Bubble Rock is a very secure fixture in Acadia National Park, Maine.

Carried here from 20 miles away by a glacier during the last ice age, Bubble Rock is known as a glacial erratic. Rounded by tumbling in the glacial ice, it’s easy to see that it rests on bedrock of entirely different material.

Eagle Lake, seen to the middle left in this image, is the largest fresh water lake on Mount Desert Island and in the National Park. Also formed by glacial activity, the lake reaches 110′ at its deepest point.

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