April 6, 2013
Lake Clark National Park, Alaska
Photograph by Michael Melford, National Geographic
The Tlikakila River flows into Alaska's Lake Clark carrying ash from Iliamna, one of two volcanoes in Lake Clark National Park and Preserve. Mountains, lakes, glaciers, and coastline can all be found within the four-million-acre park. Its interior lake region offers hiking, fishing, and kayaking.
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