Doane Rock, Glacial boulder in Eastham, United States.
Doane Rock is a massive granite formation rising roughly 18 feet above the ground and extending about 45 feet in length. The stone displays the smooth, rounded edges typical of a glacial erratic shaped by ancient ice movement.
The boulder was deposited by the Laurentide Ice Sheet between 18,000 and 12,000 years ago during the last Ice Age. Its presence here demonstrates the immense power of ancient glaciers to move massive stone blocks across the landscape.
The rock was named after Deacon John Doane, an early settler whose homestead foundations can still be seen nearby. This connection to local pioneers is woven into how residents understand their landscape.
Visitors can reach the rock via a paved trail that departs from a parking area with picnic facilities and seasonal restrooms available. The walk is straightforward and accessible for most people of different abilities.
The boulder extends significantly below the ground surface, with roughly 12 feet buried beneath the soil. This hidden depth makes the visible landmark far larger than it first appears when you approach it.
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