==History=====Ahwahneechee and the Mariposa Wars===As revealed by archeological finds, the Yosemite Valley has been inhabited for nearly 3000 years, though humans may have first visited the area as long as 8,000 to 10,000 years ago.
Pred približno 10 milijoni let se je Sierra Nevada povzdignila, nato pa se nagibala k oblikovanju svojih relativno blagih zahodnih pobočij in bolj dramatičnih vzhodnih pobočij.