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Magicpiano/Wikimedia Commons
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Mount Katahdin is the highest mountain in the U.S. state of Maine at 5,269 feet DenisTangneyJr/Getty Images
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Jimmy Emerson/Flickr
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Sign at the top of Mt Katahdin, marking the northern terminus of the Appalachian Trail. apelletr/Getty Images
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Mount Katahdin in remote Baxter State Park, Maine ThomasTakacs/Getty Images