Sequoia National Park. You can backpack to camp here ($15 wilderness permit required; purchase at Mineral King Ranger Station), camp at nearby Cold Springs or Atwell Mill campgrounds, or stay at the rustic cabins of Silver City Mountain Resort on Mineral King Road.
Sequoia National Park is home to deep caves and the biggest tree in the world. While first-time visitors to Sequoia National Park are drawn to the giant sequoia trees, the 404,051-acre park offers many more attractions. Top 10 Things to do at Sequoia National Park http://www.active.com/outdoors/articles/Top-10-Things-to-do-at-Sequoia-National-Park.htm?cmp=23-243-1351
15 Tips for Exploring Sequoia National Park by Car