Natural Bridge State Park, Nature reserve and state park in North Adams, Massachusetts
Natural Bridge State Park is a nature reserve in North Adams featuring a striking white marble arch that frames Hudson Brook below. The gorge beneath the formation drops about 60 feet and reveals layers of the region's geological past.
The site operated as a commercial marble quarry from 1810 until 1947 before transforming into a public tourist destination. It gained formal protection when designated as a state park in 1985.
The park serves as an educational center where interpreters explain geological processes and the effects of glaciation on New England's landscape.
The park is open to visitors from May through October with picnic areas available for relaxing. Walking trails lead to the arch and around the gorge, so sturdy shoes are a good idea on the rocky terrain.
The park contains North America's only natural white marble arch, carved from bedrock that is 550 million years old. This rare formation was created by glacial melt water that slowly cut through the stone over centuries.
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