Thirty years ago, the area between Yosemite National Park and the John Muir Wilderness was named for iconic photographer Ansel Adams.
In a new book, National Geographic photographer Peter Essick pays tribute to Adams with his black-and-white photos of the area in California's Sierra Nevadas.
Above, Parker Creek flows past aspens shimmering in the October afternoon light.
Grasses fill a small pond near Rush Creek in the Ansel Adams Wilderness region of California.
Reflections break the dawn’s stillness on a corner of Cabin Lake.
The sun sets over Dana Lake’s outflow waters.
Golden autumn leaves surround an old aspen tree near Parker Lake.
A strong summer wind makes whitecaps on Dana Lake.
Young aspen trees sprout in a meadow near Parker Lake.
Sleet from an October storm blankets aspen trees near Parker Lake.
Blowing snow surrounds a pine seedling near Summit Lake.
Afternoon thunder clouds rise above Garnet Lake on the book's cover.