America's hidden gems: The 20 least-crowded national parks in 2009
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3. Lake Clark National Park and Preserve, Alaska( National Park Service )
Alpine wild blueberries ripen in August in another of Alaskas national parks, Lake Clark. The parks Twin Lakes are known as the site where naturalist Dick Proenneke built a cabin using only hand tools. Proenneke became a wilderness icon after two books and the documentary Alone in the Wilderness were published based on his journals. The park is across the Cook Inlet from Anchorage.
Visitors in 2009 (through August): 4,134